>>> scummvm: Building community/scummvm 2.8.1-r1 (using abuild 3.14.1-r1) started Tue, 29 Oct 2024 20:22:08 +0000 >>> scummvm: Validating /home/buildozer/aports/community/scummvm/APKBUILD... >>> scummvm: Analyzing dependencies... >>> scummvm: Installing for build: build-base alsa-lib-dev faad2-dev flac-dev fluidsynth-dev freetype-dev giflib-dev glu-dev jpeg-dev libmad-dev libmpeg2-dev libogg-dev libpng-dev libtheora-dev libvorbis-dev sdl2-dev zlib-dev (1/202) Installing alsa-lib (1.2.12-r0) (2/202) Installing alsa-lib-dev (1.2.12-r0) (3/202) Installing faad2-libs (2.11.1-r0) (4/202) Installing faad2-dev (2.11.1-r0) (5/202) Installing libogg (1.3.5-r5) (6/202) Installing libflac (1.4.3-r1) (7/202) Installing libflac++ (1.4.3-r1) (8/202) Installing libogg-dev (1.3.5-r5) (9/202) Installing flac-dev (1.4.3-r1) (10/202) Installing dbus-libs (1.14.10-r4) (11/202) Installing libffi (3.4.6-r0) (12/202) Installing libintl (0.22.5-r0) (13/202) Installing libeconf (0.6.3-r0) (14/202) Installing libblkid (2.40.2-r3) (15/202) Installing libmount (2.40.2-r3) (16/202) Installing glib (2.82.2-r0) (17/202) Installing opus (1.5.2-r1) (18/202) Installing libsamplerate (0.2.2-r3) (19/202) Installing jack (1.9.22-r4) (20/202) Installing avahi-libs (0.8-r19) (21/202) Installing libcamera-ipa (0.3.2-r0) (22/202) Installing nettle (3.10-r1) (23/202) Installing libtasn1 (4.19.0-r2) (24/202) Installing p11-kit (0.25.5-r2) (25/202) Installing gnutls (3.8.5-r0) (26/202) Installing eudev-libs (3.2.14-r5) (27/202) Installing libunwind (1.8.1-r0) (28/202) Installing yaml (0.2.5-r2) (29/202) Installing libcamera (0.3.2-r0) (30/202) Installing speexdsp (1.2.1-r2) (31/202) Installing libuv (1.49.2-r0) (32/202) Installing roc-toolkit-libs (0.4.0-r0) (33/202) Installing libvorbis (1.3.7-r2) (34/202) Installing libsndfile (1.2.2-r0) (35/202) Installing webrtc-audio-processing-1 (1.3-r0) (36/202) Installing pipewire-libs (1.2.6-r0) (37/202) Installing portaudio (19.7.0-r2) (38/202) Installing libxau (1.0.11-r4) (39/202) Installing libmd (1.1.0-r0) (40/202) Installing libbsd (0.12.2-r0) (41/202) Installing libxdmcp (1.1.5-r1) (42/202) Installing libxcb (1.16.1-r0) (43/202) Installing libx11 (1.8.10-r0) (44/202) Installing libasyncns (0.8-r4) (45/202) Installing libltdl (2.4.7-r3) (46/202) Installing orc (0.4.40-r1) (47/202) Installing soxr (0.1.3-r7) (48/202) Installing tdb-libs (1.4.10-r0) (49/202) Installing libpulse (17.0-r4) (50/202) Installing fluidsynth-libs (2.3.6-r0) (51/202) Installing dbus-dev (1.14.10-r4) (52/202) Installing bzip2-dev (1.0.8-r6) (53/202) Installing libxml2 (2.13.4-r1) (54/202) Installing libxml2-utils (2.13.4-r1) (55/202) Installing docbook-xml (4.5-r9) Executing docbook-xml-4.5-r9.post-install (56/202) Installing libgpg-error (1.50-r0) (57/202) Installing libgcrypt (1.10.3-r1) (58/202) Installing libxslt (1.1.42-r0) (59/202) Installing docbook-xsl (1.79.2-r9) Executing docbook-xsl-1.79.2-r9.post-install (60/202) Installing xz (5.6.3-r0) (61/202) Installing gettext-asprintf (0.22.5-r0) (62/202) Installing gettext-libs (0.22.5-r0) (63/202) Installing gettext-envsubst (0.22.5-r0) (64/202) Installing gettext (0.22.5-r0) (65/202) Installing gettext-dev (0.22.5-r0) (66/202) Installing gdbm (1.24-r0) (67/202) Installing mpdecimal (4.0.0-r0) (68/202) Installing libpanelw (6.5_p20241006-r1) (69/202) Installing sqlite-libs (3.47.0-r0) (70/202) Installing python3 (3.12.7-r1) (71/202) Installing python3-pycache-pyc0 (3.12.7-r1) (72/202) Installing pyc (3.12.7-r1) (73/202) Installing python3-pyc (3.12.7-r1) (74/202) Installing py3-parsing (3.1.4-r0) (75/202) Installing py3-parsing-pyc (3.1.4-r0) (76/202) Installing py3-packaging (24.1-r0) (77/202) Installing py3-packaging-pyc (24.1-r0) (78/202) Installing linux-headers (6.6-r1) (79/202) Installing libffi-dev (3.4.6-r0) (80/202) Installing bsd-compat-headers (0.7.2-r6) (81/202) Installing libformw (6.5_p20241006-r1) (82/202) Installing libmenuw (6.5_p20241006-r1) (83/202) Installing libncurses++ (6.5_p20241006-r1) (84/202) Installing ncurses-dev (6.5_p20241006-r1) (85/202) Installing libedit-dev (20240808.3.1-r0) (86/202) Installing zlib-dev (1.3.1-r2) (87/202) Installing libpcre2-16 (10.43-r0) (88/202) Installing libpcre2-32 (10.43-r0) (89/202) Installing pcre2-dev (10.43-r0) (90/202) Installing libuuid (2.40.2-r3) (91/202) Installing libfdisk (2.40.2-r3) (92/202) Installing libsmartcols (2.40.2-r3) (93/202) Installing sqlite (3.47.0-r0) (94/202) Installing sqlite-dev (3.47.0-r0) (95/202) Installing util-linux (2.40.2-r3) (96/202) Installing dmesg (2.40.2-r3) (97/202) Installing setarch (2.40.2-r3) (98/202) Installing skalibs-libs (2.14.3.0-r0) (99/202) Installing utmps-libs (0.1.2.3-r2) (100/202) Installing util-linux-misc (2.40.2-r3) (101/202) Installing linux-pam (1.6.1-r1) (102/202) Installing runuser (2.40.2-r3) (103/202) Installing mount (2.40.2-r3) (104/202) Installing losetup (2.40.2-r3) (105/202) Installing hexdump (2.40.2-r3) (106/202) Installing uuidgen (2.40.2-r3) (107/202) Installing blkid (2.40.2-r3) (108/202) Installing sfdisk (2.40.2-r3) (109/202) Installing mcookie (2.40.2-r3) (110/202) Installing agetty (2.40.2-r3) (111/202) Installing wipefs (2.40.2-r3) (112/202) Installing cfdisk (2.40.2-r3) (113/202) Installing umount (2.40.2-r3) (114/202) Installing flock (2.40.2-r3) (115/202) Installing lsblk (2.40.2-r3) (116/202) Installing libcap-ng (0.8.5-r0) (117/202) Installing setpriv (2.40.2-r3) (118/202) Installing lscpu (2.40.2-r3) (119/202) Installing logger (2.40.2-r3) (120/202) Installing partx (2.40.2-r3) (121/202) Installing fstrim (2.40.2-r3) (122/202) Installing findmnt (2.40.2-r3) (123/202) Installing util-linux-dev (2.40.2-r3) (124/202) Installing glib-dev (2.82.2-r0) (125/202) Installing jack-dev (1.9.22-r4) (126/202) Installing pipewire-dev (1.2.6-r0) (127/202) Installing libpulse-mainloop-glib (17.0-r4) (128/202) Installing pulseaudio-dev (17.0-r4) (129/202) Installing libportaudiocxx (19.7.0-r2) (130/202) Installing portaudio-dev (19.7.0-r2) (131/202) Installing libhistory (8.2.13-r0) (132/202) Installing readline-dev (8.2.13-r0) (133/202) Installing opus-dev (1.5.2-r1) (134/202) Installing libvorbis-dev (1.3.7-r2) (135/202) Installing libsndfile-dev (1.2.2-r0) (136/202) Installing fluidsynth-dev (2.3.6-r0) (137/202) Installing libpng (1.6.44-r0) (138/202) Installing freetype (2.13.3-r0) (139/202) Installing brotli (1.1.0-r2) (140/202) Installing brotli-dev (1.1.0-r2) (141/202) Installing libpng-dev (1.6.44-r0) (142/202) Installing freetype-dev (2.13.3-r0) (143/202) Installing giflib (5.2.2-r0) (144/202) Installing giflib-dev (5.2.2-r0) (145/202) Installing hwdata-pci (0.388-r0) (146/202) Installing libpciaccess (0.18.1-r0) (147/202) Installing libdrm (2.4.123-r1) (148/202) Installing libpciaccess-dev (0.18.1-r0) (149/202) Installing libdrm-dev (2.4.123-r1) (150/202) Installing xorgproto (2024.1-r0) (151/202) Installing libxau-dev (1.0.11-r4) (152/202) Installing libxext (1.3.6-r2) (153/202) Installing xcb-proto (1.17.0-r0) (154/202) Installing xcb-proto-pyc (1.17.0-r0) (155/202) Installing libxdmcp-dev (1.1.5-r1) (156/202) Installing libxcb-dev (1.16.1-r0) (157/202) Installing xtrans (1.5.1-r0) (158/202) Installing libx11-dev (1.8.10-r0) (159/202) Installing libxext-dev (1.3.6-r2) (160/202) Installing libxdamage (1.1.6-r5) (161/202) Installing libxfixes (6.0.1-r4) (162/202) Installing libxfixes-dev (6.0.1-r4) (163/202) Installing libxdamage-dev (1.1.6-r5) (164/202) Installing libxshmfence (1.3.2-r6) (165/202) Installing libxshmfence-dev (1.3.2-r6) (166/202) Installing llvm19-libs (19.1.1-r0) (167/202) Installing mesa-glapi (24.2.5-r0) (168/202) Installing mesa (24.2.5-r0) (169/202) Installing wayland-libs-server (1.23.1-r0) (170/202) Installing mesa-gbm (24.2.5-r0) (171/202) Installing wayland-libs-client (1.23.1-r0) (172/202) Installing mesa-egl (24.2.5-r0) (173/202) Installing libxxf86vm (1.1.5-r6) (174/202) Installing mesa-gl (24.2.5-r0) (175/202) Installing mesa-gles (24.2.5-r0) (176/202) Installing mesa-osmesa (24.2.5-r0) (177/202) Installing clang19-headers (19.1.1-r0) (178/202) Installing libclc (19.1.1-r0) (179/202) Installing spirv-llvm-translator-libs (19.1.0-r0) (180/202) Installing spirv-tools (1.3.290.0-r0) (181/202) Installing clang19-libs (19.1.1-r0) (182/202) Installing mesa-rusticl (24.2.5-r0) (183/202) Installing mesa-xatracker (24.2.5-r0) (184/202) Installing libxxf86vm-dev (1.1.5-r6) (185/202) Installing mesa-dev (24.2.5-r0) (186/202) Installing glu (9.0.3-r3) (187/202) Installing glu-dev (9.0.3-r3) (188/202) Installing libjpeg-turbo (3.0.4-r0) (189/202) Installing libturbojpeg (3.0.4-r0) (190/202) Installing libjpeg-turbo-dev (3.0.4-r0) (191/202) Installing jpeg-dev (9f-r0) (192/202) Installing libmad (0.15.1b-r9) (193/202) Installing libmad-dev (0.15.1b-r9) (194/202) Installing libmpeg2 (0.5.1-r11) (195/202) Installing libmpeg2-dev (0.5.1-r11) (196/202) Installing libtheora (1.1.1-r18) (197/202) Installing libtheora-dev (1.1.1-r18) (198/202) Installing sdl2 (2.30.8-r0) (199/202) Installing sdl2-dev (2.30.8-r0) (200/202) Installing .makedepends-scummvm (20241029.202209) (201/202) Installing util-linux-openrc (2.40.2-r3) (202/202) Installing agetty-openrc (0.55.1-r2) Executing busybox-1.37.0-r3.trigger Executing glib-2.82.2-r0.trigger No schema files found: removed existing output file. OK: 1113 MiB in 313 packages >>> scummvm: Cleaning up srcdir >>> scummvm: Cleaning up pkgdir >>> scummvm: Cleaning up tmpdir >>> scummvm: Fetching https://distfiles.alpinelinux.org/distfiles/edge/scummvm-2.8.1.tar.gz % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 36 229M 36 84.5M 0 0 78.7M 0 0:00:02 0:00:01 0:00:01 78.7M 84 229M 84 192M 0 0 93.1M 0 0:00:02 0:00:02 --:--:-- 93.1M 100 229M 100 229M 0 0 94.7M 0 0:00:02 0:00:02 --:--:-- 94.7M >>> scummvm: Fetching https://distfiles.alpinelinux.org/distfiles/edge/scummvm-2.8.1.tar.gz >>> scummvm: Checking sha512sums... scummvm-2.8.1.tar.gz: OK disable-forbidden.patch: OK 0001-AGS-Support-for-FreeType-2.13.3-changes-to-FT_Outlin.patch: OK 0001-ICB-compile-fix-for-GCC-14.patch: OK >>> scummvm: Unpacking /var/cache/distfiles/edge/scummvm-2.8.1.tar.gz... >>> scummvm: disable-forbidden.patch patching file common/forbidden.h Hunk #1 succeeded at 38 (offset -1 lines). >>> scummvm: 0001-AGS-Support-for-FreeType-2.13.3-changes-to-FT_Outlin.patch patching file engines/ags/lib/freetype-2.1.3/autohint/ahglyph.cpp >>> scummvm: 0001-ICB-compile-fix-for-GCC-14.patch patching file engines/icb/common/px_array.h Running ScummVM configure... Looking for C++ compiler... g++ Checking if compiler supports C++11... yes Checking for compiler version... GCC 14.2.0, ok Checking if C++11 initializer list is available... yes Checking if C++11 std::nullptr_t is available... yes Checking if C++11 alignas and alignof keywords are available... yes Using LLD linker... no Using Mold linker... no Checking for whether C++ compiler accepts -Wglobal-constructors... no Checking for whether C++ compiler accepts -Wno-undefined-var-template... no Checking for whether C++ compiler accepts -Wno-pragma-pack... no Checking for whether C++ compiler accepts -Wno-address-of-packed-member... yes Checking endianness... little Checking 64-bitness... yes Type with 1 byte... char Type with 2 bytes... short Type with 4 bytes... int Type with 8 bytes... long Alignment required... no Checking host CPU architecture... x86_64 Checking hosttype... linux-musl Checking for pkg-config... yes Looking for sdl-config... /usr/bin/sdl2-config Checking for SDL... yes Checking for SDL_Net... no Checks for ENet... Checking for sendmsg... yes Checking for recvmsg... yes Optional checks for ENet... Checking for getaddrinfo... yes Checking for getnameinfo... yes Checking for gethostbyaddr_r... yes Checking for gethostbyname_r... yes Checking for poll... yes Checking for fcntl... yes Checking for inet_pton... yes Checking for inet_ntop... yes Checking for msghdr.msg_flags... yes Checking for socklen_t... yes Checking if host is POSIX compliant... yes Checking if posix_spawn is supported... yes Checking if fseeko with 64-bit off_t is supported... yes Checking whether to have a verbose build... no Checking whether building plugins was requested... no Checking if detection features building statically... yes Checking if building detection features for all engines... yes Checking for Ogg... yes Checking for TTS libraries... no Checking for Vorbis... yes Checking for Tremor... no (Vorbis/Tremor support is mutually exclusive) Checking for OPL2LPT... no Checking for RetroWave OPL3... no Checking for FLAC >= 1.0.1... yes Checking for MAD... yes Checking for ALSA >= 0.9... yes Checking for libjpeg >= v6b... yes Checking for PNG >= 1.2.8... yes Checking for GIF >= 5.0.0... yes Checking for libtheoradec >= 1.0... yes Checking for libvpx >= 1.6... no Checking for libfaad... yes Checking for SEQ MIDI... yes Checking for sndio... no Checking for TiMidity... yes Checking for zlib... yes Checking for libmpeg2 >= 0.4.0... yes Checking for liba52... no Looking for curl-config... none found! Checking for libcurl... no Looking for mikmod-config... none found! Checking for libmikmod... no Cloud integration... no Checking for FluidSynth... yes Checking for FluidLite... no (FluidSynth/FluidLite support is mutually exclusive) Checking for Sonivox... no Checking for readline... skipping (text console disabled) Checking for libunity... no Checking for gtk... no Checking for FreeType2... yes Checking for OpenGL... yes (runtime detection) Checking for OpenGL for game... yes (shaders enabled) Checking for Linux CD-ROM... yes Checking for curl... yes Checking for FriBidi... no Test C++11 compatibility during compilation... no Checking for Discord RPC... no Building translation support... yes (with runtime language detection) Building taskbar integration support... no Building system dialogs support... no Building text-to-speech support... no Building TinyGL support... yes Building Bink video support... yes Building updates support... no Enabling Address Sanitizer... no Enabling Thread Sanitizer... no Enabling Undefined Behavior Sanitizer... no Enabling x86/amd64 SSE2... yes Enabling x86/amd64 AVX2... yes Enabling ARM NEON... no Backend... sdl (2.30.8), 16bit color, high resolution, TinyGL, savegame timestamp, HQ and Edge scalers, aspect ratio correction, MT-32 emulator, Lua, Nuked OPL emulator, ENet Engines (builtin): SCUMM [all games] Access ADL AGI AGOS [all games] Adventure Game Studio Sanitarium Lord Avalot d'Argent Beavis and Butthead in Virtual Stupidity Blade Runner The Journeyman Project 2: Buried in Time CGE CGE2 Chamber Chewy: Esc from F5 Cinematique evo 1 Magic Composer Crab Cinematique evo 2 Lost Eden Cryo Omni3D games [all games] Macromedia Director Dungeon Master Dragon History Blazing Dragons Drascula: The Vampire Strikes Back Dreamweb Escape From Hell Freescape Glk Interactive Fiction games UFOs Gobli*ns The Griffon Legend Grim [all games] Groovie [all games] Hades Challenge Hyperspace Delivery Boy! Hopkins FBI Hpl1 Hugo Trilogy Hypnotix Inc. In Cold Blood Illusions Engine The Immortal Kingdom: The Far Reaches Kyra [all games] Labyrinth of Time The Last Express Lilliput Lure of the Temptress MacVenture MADE MADS [all games] Might and Magic [all games] Mohawk [all games] Mortevielle mTropolis Mutation of JB Myst 3 Nancy Drew Neverhood Nikita Game Interface Parallaction The Journeyman Project: Pegasus Prime Red Comrades Pink Panther Playground 3d: the testing and playground environment for 3d renderers Plumbers Don't Wear Ties The Prince and The Coward Private Eye Flight of the Amazon Queen SAGA [all games] SAGA2 SCI [all games] The Lost Files of Sherlock Holmes Beneath a Steel Sky Sludge The Longest Journey Star Trek 25th Anniversary/Judgment Rites Mission Supernova Broken Sword Broken Sword II Broken Sword 2.5 Teen Agent TestBed: the Testing framework Tetraedge Tinsel Starship Titanic 3 Skulls of the Toltecs Tony Tough and the Night of Roasted Moths Toonstruck Touche: The Adventures of the Fifth Musketeer Trecision Adventure Module TsAGE Bud Tucker in Double Trouble Little Big Adventure Ultima [all games] V-Cruise Voyeur WAGE The Watchmaker Wintermute [all games] Z-Vision WARNING: This ScummVM build contains the following UNSTABLE engines: Lord Avalot d'Argent Chamber Crab Lost Eden Dungeon Master Grim [Escape from Monkey Island] Hpl1 In Cold Blood The Immortal The Last Express Lilliput MacVenture MADS [MADS V2] Mohawk [Where in Time is Carmen Sandiego?] Mutation of JB Playground 3d: the testing and playground environment for 3d renderers Sludge Star Trek 25th Anniversary/Judgment Rites TestBed: the Testing framework Ultima [Ultima I - The First Age of Darkness] WAGE The Watchmaker Wintermute [Wintermute3D] Creating engines/engines.mk Creating engines/detection_table.h Creating engines/plugins_table.h Creating config.h Creating config.mk fatal: not a git repository (or any of the parent directories): .git C++ engines/access/detection.o C++ engines/adl/detection.o C++ engines/agi/detection.o C++ engines/agi/wagparser.o C++ engines/agos/detection.o C++ engines/ags/detection.o C++ engines/asylum/detection.o C++ engines/avalanche/detection.o C++ engines/bbvs/detection.o C++ engines/bladerunner/detection.o C++ engines/buried/detection.o C++ engines/cge/detection.o C++ engines/cge2/detection.o C++ engines/chamber/detection.o C++ engines/chewy/detection.o C++ engines/cine/detection.o C++ engines/composer/detection.o C++ engines/crab/detection.o C++ engines/cruise/detection.o C++ engines/cryo/detection.o C++ engines/cryomni3d/detection.o C++ engines/director/detection.o C++ engines/dm/detection.o C++ engines/draci/detection.o C++ engines/dragons/detection.o C++ engines/drascula/detection.o C++ engines/dreamweb/detection.o C++ engines/efh/detection.o C++ engines/freescape/detection.o C++ engines/gnap/detection.o C++ engines/gob/detection/detection.o C++ engines/griffon/detection.o C++ engines/grim/detection.o C++ engines/groovie/detection.o C++ engines/hadesch/detection.o C++ engines/hdb/detection.o C++ engines/hopkins/detection.o C++ engines/hpl1/detection.o C++ engines/hugo/detection.o C++ engines/hypno/detection.o C++ engines/icb/detection.o C++ engines/illusions/detection.o C++ engines/immortal/detection.o C++ engines/kingdom/detection.o C++ engines/kyra/detection.o C++ engines/lab/detection.o C++ engines/lastexpress/detection.o C++ engines/lilliput/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agi/wagparser.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/asylum/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/buried/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/access/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/cge2/detection.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/chewy/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cine/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/bbvs/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/crab/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/dm/detection.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/draci/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cge/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/drascula/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cryo/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/adl/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/dreamweb/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cryomni3d/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/detection.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/avalanche/detection.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/hdb/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/agos/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44, from engines/cine/detection.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/chamber/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/detection.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cruise/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/dragons/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/composer/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/hugo/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/hadesch/detection.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/lure/detection.o In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from engines/cryomni3d/detection.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/groovie/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/macventure/detection.o C++ engines/made/detection.o C++ engines/mads/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/grim/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/efh/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/hopkins/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/griffon/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/mm/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/mohawk/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/icb/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/kyra/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/hpl1/detection.h:25, from engines/hpl1/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/mortevielle/detection.o In file included from ./engines/agos/agos.h:32, from engines/agos/detection.cpp:36: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' C++ engines/mtropolis/detection.o ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/myst3/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/lab/detection.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/nancy/detection.o C++ engines/mutationofjb/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/lastexpress/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/neverhood/detection.o C++ engines/ngi/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/illusions/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/lilliput/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/lure/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/parallaction/detection.o C++ engines/pegasus/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/kingdom/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/hypno/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/petka/detection.o In file included from ./common/config-manager.h:27, from engines/agi/detection.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/immortal/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/pink/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/macventure/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mads/detection.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/made/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/gob/detection/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/playground3d/detection.o C++ engines/plumbers/detection.o In file included from ./engines/lilliput/script.h:26, from ./engines/lilliput/lilliput.h:26, from engines/lilliput/detection.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/prince/detection.o C++ engines/private/detection.o C++ engines/queen/detection.o C++ engines/saga/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mm/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/saga2/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mohawk/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/detection.cpp:33: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/sci/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mtropolis/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/macventure/gui.h:33, from ./engines/macventure/macventure.h:45, from engines/macventure/detection.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/sherlock/detection.o C++ engines/scumm/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from engines/myst3/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/sky/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mortevielle/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/sludge/detection.o In file included from ./common/config-manager.h:27, from engines/nancy/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/parallaction/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/director/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/stark/detection.o C++ engines/startrek/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mutationofjb/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/neverhood/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:92:17: note: remove the '< >' C++ engines/supernova/detection.o C++ engines/sword1/detection.o In file included from ./engines/mads/events.h:27, from ./engines/mads/hotspots.h:26, from ./engines/mads/scene.h:30, from ./engines/mads/game.h:30, from ./engines/mads/dialogs.h:26, from ./engines/mads/conversations.h:29, from ./engines/mads/mads.h:32, from engines/mads/detection.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/pegasus/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/ngi/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/plumbers/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/petka/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/mortevielle/mortevielle.h:34, from engines/mortevielle/detection.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/playground3d/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/parallaction/parallaction.h:26, from engines/parallaction/detection.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/pink/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/detection.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/sword2/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/queen/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/sword25/detection.o C++ engines/teenagent/detection.o C++ engines/testbed/detection.o C++ engines/tetraedge/detection.o C++ engines/tinsel/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/sherlock/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/titanic/detection.o C++ engines/toltecs/detection.o C++ engines/tony/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/prince/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/stark/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/toon/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/sludge/detection.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/pink/pda_mgr.h:25, from ./engines/pink/pink.h:36, from engines/pink/detection.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/touche/detection.o C++ engines/trecision/detection.o C++ engines/tsage/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/saga/detection.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/tucker/detection.o C++ engines/twine/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/sky/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/private/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ultima/detection.o C++ engines/vcruise/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/supernova/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/voyeur/detection.o C++ engines/wage/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/saga2/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/watchmaker/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/sword2/detection.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/wintermute/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/sword25/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/zvision/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/scumm/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/startrek/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ backends/platform/sdl/sdl.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/sword1/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/teenagent/detection.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ backends/platform/sdl/sdl-window.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/sci/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/testbed/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/tetraedge/detection.h:25, from engines/tetraedge/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ backends/platform/sdl/posix/posix-main.o In file included from ./engines/sherlock/talk.h:29, from ./engines/sherlock/sherlock.h:50, from engines/sherlock/detection.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' C++ backends/platform/sdl/posix/posix.o ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ base/test_new_standards.o In file included from ./common/config-manager.h:27, from engines/tucker/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/toltecs/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/tony/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ base/main.o C++ base/commandLine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/trecision/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/tsage/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/ThemeEval.h:28, from engines/sci/detection.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/twine/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ base/plugins.o C++ engines/scumm/actor.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/titanic/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/akos.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/ultima/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/vcruise/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/tinsel/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/voyeur/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/toon/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/watchmaker/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/base-costume.o C++ engines/scumm/bomp.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/touche/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/wage/detection.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/boxes.o In file included from ./engines/startrek/object.h:26, from ./engines/startrek/startrek.h:48, from engines/startrek/detection.cpp:30: ./engines/startrek/fixedint.h:58:54: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 58 | explicit TFixedInt(const TFixedInt &fi) { | ^ ./engines/startrek/fixedint.h:58:54: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/ags/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/camera.o C++ engines/scumm/cdda.o C++ engines/scumm/charset.o C++ engines/scumm/charset-fontdata.o C++ engines/scumm/costume.o C++ engines/scumm/cursor.o C++ engines/scumm/debugger.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/zvision/detection.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' C++ engines/scumm/dialogs.o ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from base/plugins.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/file.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/akos.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/file_nes.o C++ engines/scumm/gfx_gui.o C++ engines/scumm/gfx_mac.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/wintermute/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/gfx_towns.o C++ engines/scumm/gfx.o C++ engines/scumm/he/mixer_he.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from ./engines/scumm/base-costume.h:26, from engines/scumm/base-costume.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/resource_he.o In file included from ./engines/engine.h:30, from base/main.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/script_v60he.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/actor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/script_v70he.o C++ engines/scumm/he/sound_he.o C++ engines/scumm/help.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/boxes.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/imuse.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/camera.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/bomp.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/costume.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' C++ engines/scumm/imuse/imuse_part.o ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/imuse_player.o C++ engines/scumm/imuse/instrument.o C++ engines/scumm/imuse/sysex_samnmax.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/scumm/charset.h:26, from engines/scumm/charset-fontdata.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/font.h:27, from engines/scumm/charset.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/sysex_scumm.o In file included from ./common/debug-channels.h:30, from engines/scumm/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/drivers/amiga.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/cursor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/dialogs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/drivers/fmtowns.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/scumm/file.h:25, from engines/scumm/file.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from base/commandLine.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/gfx_gui.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/he/resource_he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/cursor.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/scumm/file.h:25, from ./engines/scumm/file_nes.h:25, from engines/scumm/file_nes.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from engines/scumm/he/script_v60he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/gui-manager.h:27, from base/main.cpp:56: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/imuse/drivers/midi.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/he/sound_he.h:26, from ./engines/scumm/he/mixer_he.h:25, from engines/scumm/he/mixer_he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/help.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/gfx_mac.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/gfx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/drivers/mac_m68k.o In file included from ./gui/gui-manager.h:27, from engines/scumm/dialogs.cpp:33: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from engines/scumm/imuse/imuse_player.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/imuse/instrument.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/imuse/imuse.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/drivers/pcspk.o In file included from ./graphics/cursorman.h:26, from engines/scumm/gfx_mac.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/he/script_v70he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/scumm/imuse/imuse_part.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/gfx_towns.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mods/paula.h:27, from ./engines/scumm/imuse/drivers/amiga.h:26, from engines/scumm/imuse/drivers/amiga.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/input.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/he/sound_he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse/imuse.h:28, from ./engines/scumm/imuse/imuse_internal.h:27, from engines/scumm/imuse/sysex_scumm.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/ks_check.o C++ engines/scumm/metaengine.o In file included from ./graphics/cursorman.h:26, from engines/scumm/he/resource_he.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./audio/softsynth/emumidi.h:27, from ./engines/scumm/imuse/drivers/pcspk.h:25, from engines/scumm/imuse/drivers/pcspk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/gfx_gui.cpp:36: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./audio/softsynth/emumidi.h:27, from ./engines/scumm/imuse/drivers/mac_m68k.h:25, from engines/scumm/imuse/drivers/mac_m68k.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/scumm/imuse/drivers/midi.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse/imuse.h:28, from ./engines/scumm/imuse/imuse_internal.h:27, from engines/scumm/imuse/sysex_samnmax.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h:26, from engines/scumm/imuse/drivers/fmtowns.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' C++ engines/scumm/midiparser_ro.o ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/object.o C++ engines/scumm/palette.o C++ engines/scumm/players/player_ad.o C++ engines/scumm/players/player_apple2.o C++ engines/scumm/players/player_he.o C++ engines/scumm/players/player_mac.o C++ engines/scumm/players/player_mod.o In file included from ./common/config-manager.h:27, from engines/scumm/input.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/object.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/palette.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from engines/scumm/players/player_apple2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/players/player_ad.h:27, from engines/scumm/players/player_ad.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/metaengine.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/players/player_mod.h:25, from engines/scumm/players/player_mod.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from engines/scumm/players/player_mac.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/scumm/players/player_he.h:26, from engines/scumm/players/player_he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_nes.o C++ engines/scumm/players/player_pce.o C++ engines/scumm/players/player_sid.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_nes.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/input.cpp:45: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/players/player_towns.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/players/player_pce.h:26, from engines/scumm/players/player_pce.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v1.o C++ engines/scumm/players/player_v2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./backends/base-backend.h:25, from ./backends/modular-backend.h:25, from ./backends/platform/sdl/sdl.h:27, from ./backends/platform/sdl/posix/posix.h:25, from backends/platform/sdl/posix/posix.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v2a.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./backends/base-backend.h:25, from ./backends/modular-backend.h:25, from ./backends/platform/sdl/sdl.h:27, from ./backends/platform/sdl/posix/posix.h:25, from backends/platform/sdl/posix/posix-main.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v2base.o C++ engines/scumm/players/player_v2cms.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_sid.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./backends/platform/sdl/sdl-window.h:27, from backends/platform/sdl/sdl-window.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v3a.o C++ engines/scumm/players/player_v3m.o C++ engines/scumm/players/player_v4a.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_v1.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v5m.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_v2a.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./backends/audiocd/audiocd.h:25, from ./engines/scumm/sound.h:29, from engines/scumm/players/player_towns.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/players/player_v2base.h:26, from ./engines/scumm/players/player_v2.h:25, from engines/scumm/players/player_v2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/resource_v2.o C++ engines/scumm/resource_v3.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./backends/base-backend.h:25, from ./backends/modular-backend.h:25, from ./backends/platform/sdl/sdl.h:27, from backends/platform/sdl/sdl.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/players/player_v2base.h:26, from engines/scumm/players/player_v2base.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/resource_v4.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_v3a.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/resource.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/macresman.h:28, from engines/scumm/players/player_v3m.cpp:89: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/players/player_v2base.h:26, from ./engines/scumm/players/player_v2cms.h:25, from engines/scumm/players/player_v2cms.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/room.o C++ engines/scumm/saveload.o C++ engines/scumm/script_v0.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_v4a.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/script_v2.o C++ engines/scumm/script_v3.o C++ engines/scumm/script_v4.o C++ engines/scumm/script_v5.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/scumm/file.h:25, from engines/scumm/resource_v2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v5.h:25, from ./engines/scumm/scumm_v4.h:25, from ./engines/scumm/scumm_v3.h:25, from engines/scumm/resource_v3.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/script_v6.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/macresman.h:28, from engines/scumm/players/player_v5m.cpp:74: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v5.h:25, from ./engines/scumm/scumm_v4.h:25, from engines/scumm/resource_v4.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v5.h:25, from ./engines/scumm/scumm_v4.h:25, from engines/scumm/script_v4.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/script.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/room.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v5.h:25, from ./engines/scumm/scumm_v4.h:25, from ./engines/scumm/scumm_v3.h:25, from engines/scumm/script_v3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/macresman.h:28, from engines/scumm/resource.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' C++ engines/scumm/scumm.o ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/sound.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/script_v2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/string.o In file included from ./graphics/cursorman.h:26, from backends/platform/sdl/sdl.cpp:53: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/script_v5.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/usage_bits.o In file included from ./common/config-manager.h:27, from engines/scumm/script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/script_v6.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/script_v0.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/util.o In file included from ./common/config-manager.h:27, from engines/scumm/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/vars.o C++ engines/scumm/verbs.o C++ engines/scumm/nut_renderer.o C++ engines/scumm/string_v7.o C++ engines/scumm/script_v8.o In file included from ./common/config-manager.h:27, from engines/scumm/scumm.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/usage_bits.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/string.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_bndmgr.o C++ engines/scumm/imuse_digi/dimuse_codecs.o C++ engines/scumm/imuse_digi/dimuse_sndmgr.o C++ engines/scumm/imuse_digi/dimuse_tables.o C++ engines/scumm/imuse_digi/dimuse_engine.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/nut_renderer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_cmds.o In file included from ./graphics/cursorman.h:26, from engines/scumm/scumm.cpp:38: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/vars.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_dispatch.o In file included from ./common/config-manager.h:27, from engines/scumm/string_v7.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_fades.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/imuse_digi/dimuse_bndmgr.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/verbs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/script_v8.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_files.o C++ engines/scumm/imuse_digi/dimuse_groups.o C++ engines/scumm/imuse_digi/dimuse_internalmixer.o C++ engines/scumm/imuse_digi/dimuse_scripts.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/resource.h:26, from engines/scumm/imuse_digi/dimuse_sndmgr.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_streamer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/imuse_digi/dimuse_engine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_tracks.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_dispatch.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_cmds.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_fades.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/scumm/string.cpp: In member function 'virtual void Scumm::ScummEngine::fakeBidiString(byte*, bool, int) const': engines/scumm/string.cpp:645:44: warning: 'void* calloc(size_t, size_t)' sizes specified with 'sizeof' in the earlier argument and not in the later argument [-Wcalloc-transposed-args] 645 | byte * const buff = (byte *)calloc(sizeof(byte), bufferSize); | ^~~~~~~~~~~~ engines/scumm/string.cpp:645:44: note: earlier argument should specify number of elements, later size of each element engines/scumm/string.cpp:647:45: warning: 'void* calloc(size_t, size_t)' sizes specified with 'sizeof' in the earlier argument and not in the later argument [-Wcalloc-transposed-args] 647 | byte * const stack = (byte *)calloc(sizeof(byte), bufferSize); | ^~~~~~~~~~~~ engines/scumm/string.cpp:647:45: note: earlier argument should specify number of elements, later size of each element C++ engines/scumm/imuse_digi/dimuse_triggers.o C++ engines/scumm/imuse_digi/dimuse_utils.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_groups.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from engines/scumm/imuse_digi/dimuse_internalmixer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_scripts.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_files.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_wave.o ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_waveout.o C++ engines/scumm/insane/insane.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_streamer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_tracks.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/insane/insane_ben.o C++ engines/scumm/insane/insane_enemy.o C++ engines/scumm/insane/insane_scenes.o C++ engines/scumm/insane/insane_iact.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_utils.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_triggers.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/smush/codec1.o In file included from ./engines/engine.h:30, from engines/scumm/insane/insane.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_wave.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/smush/codec20.o In file included from ./engines/engine.h:30, from engines/scumm/insane/insane_scenes.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_waveout.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/smush/codec37.o In file included from ./engines/engine.h:30, from engines/scumm/insane/insane_enemy.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from engines/scumm/insane/insane_ben.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/smush/codec47.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/scumm_v7.h:27, from engines/scumm/insane/insane_iact.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/smush/smush_player.o C++ engines/scumm/he/animation_he.o C++ engines/scumm/he/cup_player_he.o C++ engines/scumm/he/floodfill_he.o C++ engines/scumm/he/logic_he.o C++ engines/scumm/he/palette_he.o C++ engines/scumm/he/script_v71he.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/animation_he.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/smush/smush_player.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/he/cup_player_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/script_v72he.o C++ engines/scumm/he/script_v80he.o C++ engines/scumm/he/script_v90he.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/scumm/he/floodfill_he.h:25, from engines/scumm/he/floodfill_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/smush/smush_player.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/he/palette_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/script_v100he.o In file included from ./common/config-manager.h:27, from engines/scumm/he/script_v72he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/he/script_v71he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/sprite_he.o In file included from ./common/archive.h:31, from engines/scumm/he/script_v80he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/wiz_he.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/he/script_v90he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/localizer.o C++ engines/scumm/he/logic/baseball2001.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/sprite_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/he/script_v100he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/logic/basketball.o C++ engines/scumm/he/logic/football.o C++ engines/scumm/he/logic/funshop.o In file included from ./common/archive.h:31, from engines/scumm/he/wiz_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/logic/moonbase_logic.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/baseball2001.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/he/wiz_he.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/he/logic/puttrace.o C++ engines/scumm/he/logic/soccer.o C++ engines/scumm/he/moonbase/ai_defenseunit.o C++ engines/scumm/he/moonbase/ai_main.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/scumm/he/localizer.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_node.o C++ engines/scumm/he/moonbase/ai_targetacquisition.o C++ engines/scumm/he/moonbase/ai_traveller.o In file included from ./common/config-manager.h:27, from engines/scumm/he/logic/football.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_tree.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/basketball.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_types.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/funshop.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from engines/scumm/he/moonbase/ai_defenseunit.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/moonbase_logic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/soccer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/puttrace.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_weapon.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/he/moonbase/ai_types.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/ai_main.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/ai_targetacquisition.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/distortion.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/ai_traveller.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/ai_tree.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/moonbase.o C++ engines/scumm/he/moonbase/moonbase_fow.o C++ engines/scumm/dialog-createsession.o C++ engines/scumm/dialog-sessionselector.o C++ engines/scumm/he/net/net_main.o C++ engines/access/animation.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/distortion.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/asurface.o C++ engines/access/access.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/moonbase.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/dialog-createsession.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/scumm/he/moonbase/moonbase_fow.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/bubble_box.o C++ engines/access/char.o In file included from ./common/config-manager.h:27, from engines/scumm/he/net/net_main.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from engines/scumm/dialog-sessionselector.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/data.o C++ engines/access/debugger.o In file included from ./common/config-manager.h:27, from engines/access/access.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/animation.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/decompress.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/asurface.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/scumm/dialog-sessionselector.h:30, from engines/scumm/dialog-sessionselector.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/bubble_box.h:27, from engines/access/bubble_box.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/events.o In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/files.o C++ engines/access/font.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/char.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/access/decompress.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/inventory.o C++ engines/access/metaengine.o C++ engines/access/player.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/access/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/access.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' C++ engines/access/resources.o ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/room.o C++ engines/access/screen.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/access/data.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/access/events.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/access/files.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/bubble_box.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' engines/scumm/saveload.cpp: In member function 'void Scumm::ScummEngine::loadResourceOLD(Common::Serializer&, Scumm::ResType, Scumm::ResId)': engines/scumm/saveload.cpp:2299:24: warning: 'tmp' may be used uninitialized [-Wmaybe-uninitialized] 2299 | uint16 tmp; | ^~~ engines/scumm/saveload.cpp:2295:16: warning: 'size' may be used uninitialized [-Wmaybe-uninitialized] 2295 | uint32 size; | ^~~~ engines/scumm/saveload.cpp: In member function 'void Scumm::ScummEngine::loadResource(Common::Serializer&, Scumm::ResType, Scumm::ResId)': engines/scumm/saveload.cpp:2347:24: warning: 'size' may be used uninitialized [-Wmaybe-uninitialized] 2347 | uint32 size; | ^~~~ engines/scumm/saveload.cpp:2359:24: warning: 'size' may be used uninitialized [-Wmaybe-uninitialized] 2359 | uint32 size; | ^~~~ In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/font.h:27, from engines/access/font.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/scripts.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/inventory.h:27, from engines/access/inventory.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/sound.o C++ engines/access/video.o C++ engines/access/video/movie_decoder.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from engines/access/screen.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/amazon/amazon_game.o In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/debugger.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/access/metaengine.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/resources.h:28, from engines/access/resources.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/amazon/amazon_logic.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/room.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/files.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/amazon/amazon_player.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/player.h:26, from engines/access/player.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/metaengine.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/inventory.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/scripts.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/amazon/amazon_resources.o In file included from ./common/config-manager.h:27, from engines/access/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/resources.h:28, from engines/access/amazon/amazon_game.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/resources.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/amazon/amazon_room.o C++ engines/access/amazon/amazon_scripts.o C++ engines/access/martian/martian_game.o C++ engines/access/martian/martian_player.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/video/movie_decoder.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/screen.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/amazon/amazon_player.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/player.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/resources.h:28, from ./engines/access/amazon/amazon_resources.h:27, from engines/access/amazon/amazon_resources.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/data.h:27, from ./engines/access/video.h:27, from engines/access/video.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/amazon/amazon_logic.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from ./engines/access/amazon/amazon_game.h:25, from engines/access/amazon/amazon_game.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/martian/martian_resources.o C++ engines/access/martian/martian_room.o In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/amazon/amazon_room.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/amazon/amazon_scripts.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/martian/martian_scripts.o In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/sound.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/adl.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/martian/martian_player.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/adl/adl_v2.o C++ engines/adl/adl_v3.o In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/video.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/resources.h:28, from engines/access/martian/martian_game.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/adl_v4.o In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/amazon/amazon_resources.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/adl_v5.o engines/scumm/saveload.cpp: In member function 'virtual void Scumm::ScummEngine::saveLoadWithSerializer(Common::Serializer&)': engines/scumm/saveload.cpp:1778:32: warning: 'tmp' may be used uninitialized [-Wmaybe-uninitialized] 1778 | uint16 tmp; | ^~~ engines/scumm/saveload.cpp:1756:15: warning: 'idx' may be used uninitialized [-Wmaybe-uninitialized] 1756 | ResId idx; | ^~~ engines/scumm/saveload.cpp:2004:23: warning: 'tmp' may be used uninitialized [-Wmaybe-uninitialized] 2004 | uint8 tmp; | ^~~ In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/resources.h:28, from ./engines/access/martian/martian_resources.h:26, from engines/access/martian/martian_resources.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/martian/martian_scripts.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/martian/martian_room.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/console.o In file included from ./common/debug-channels.h:30, from ./engines/adl/adl.h:25, from ./engines/adl/adl_v2.h:25, from engines/adl/adl_v2.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/debug-channels.h:30, from ./engines/adl/adl.h:25, from ./engines/adl/adl_v2.h:25, from ./engines/adl/adl_v3.h:25, from engines/adl/adl_v3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/adl/disk.o In file included from ./common/config-manager.h:27, from engines/adl/adl.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from ./engines/access/martian/martian_game.h:25, from engines/access/martian/martian_game.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/display.o C++ engines/adl/display_a2.o In file included from ./common/debug-channels.h:30, from ./engines/adl/adl.h:25, from ./engines/adl/adl_v2.h:25, from ./engines/adl/adl_v3.h:25, from ./engines/adl/adl_v4.h:25, from engines/adl/adl_v4.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/adl/hires1.o In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/debug-channels.h:30, from ./engines/adl/adl.h:25, from ./engines/adl/adl_v2.h:25, from ./engines/adl/adl_v3.h:25, from ./engines/adl/adl_v4.h:25, from ./engines/adl/adl_v5.h:25, from engines/adl/adl_v5.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/martian/martian_resources.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/hires2.o C++ engines/adl/hires4.o C++ engines/adl/hires5.o C++ engines/adl/hires6.o C++ engines/adl/metaengine.o In file included from engines/adl/adl_v2.cpp:27: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' In file included from ./common/debug-channels.h:30, from engines/adl/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/adl/sound.o C++ engines/agi/agi.o In file included from engines/adl/adl.cpp:40: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from engines/adl/display_a2.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/adl/display.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/console.cpp:26: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' In file included from engines/adl/adl_v5.cpp:27: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/hires1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/hires5.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/adl/disk.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/hires2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/checks.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/hires4.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/console.o C++ engines/agi/cycle.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/adl/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/font.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/hires6.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/hires5.cpp:31: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agi/agi.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/global.o C++ engines/agi/graphics.o In file included from engines/adl/hires1.cpp:31: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/agi/inv.o C++ engines/agi/keyboard.o C++ engines/agi/loader_v1.o In file included from ./common/config-manager.h:27, from engines/agi/cycle.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/loader_v2.o In file included from engines/adl/hires2.cpp:30: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/checks.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/hires4.cpp:33: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/agi/loader_v3.o In file included from ./common/config-manager.h:27, from engines/agi/font.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ In file included from ./gui/gui-manager.h:27, from engines/agi/font.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/stack.h:47:32: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/logic.o ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agi/graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/agi/agi.cpp:36: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agi/global.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/hires6.cpp:31: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/agi/lzw.o C++ engines/agi/menu.o In file included from ./engines/agi/agi.h:32, from engines/agi/cycle.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/agi/graphics.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/loader_v1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/metaengine.o In file included from ./engines/agi/agi.h:32, from engines/agi/global.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' C++ engines/agi/motion.o ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/agi/keyboard.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/objects.o C++ engines/agi/opcodes.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/loader_v2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/inv.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/op_cmd.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/loader_v3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/logic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/op_dbg.o In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agi/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/lzw.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/keyboard.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agi/menu.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/op_test.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/motion.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/picture.o In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/opcodes.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/objects.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' C++ engines/agi/saveload.o ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/metaengine.cpp:35: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/op_cmd.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/menu.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/sound.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/picture.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/sound_2gs.o In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/op_dbg.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/sound_coco3.o C++ engines/agi/sound_midi.o C++ engines/agi/sound_pcjr.o C++ engines/agi/sound_sarien.o In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/op_test.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/sprite.o In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agi/saveload.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/sound_coco3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/systemui.o In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/text.o C++ engines/agi/view.o In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/saveload.cpp:38: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/words.o C++ engines/agi/preagi/preagi.o C++ engines/agi/preagi/mickey.o In file included from ./common/config-manager.h:27, from engines/agi/sound_2gs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/agi/sound_sarien.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/sprite.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/preagi/troll.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/agi/sound_pcjr.cpp:56: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/preagi/winnie.o C++ engines/agos/drivers/accolade/adlib.o In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agi/sound_midi.cpp:44: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/sound_sarien.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/systemui.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/words.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agi/text.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/agi/preagi/mickey.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/sound_pcjr.cpp:57: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/drivers/accolade/casio.o C++ engines/agos/drivers/accolade/cms.o In file included from ./engines/agi/agi.h:32, from engines/agi/sound_midi.cpp:49: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from ./engines/agi/preagi/preagi.h:25, from engines/agi/preagi/troll.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/sound_2gs.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from ./engines/agi/preagi/preagi.h:25, from engines/agi/preagi/winnie.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/text.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/view.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/drivers/accolade/driverfile.o C++ engines/agos/drivers/accolade/pc98.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/agi/preagi/preagi.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/agi/preagi/mickey.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mididrv_ms.h:25, from ./audio/adlib_ms.h:25, from ./engines/agos/drivers/accolade/adlib.h:25, from engines/agos/drivers/accolade/adlib.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/drivers/accolade/mt32.o C++ engines/agos/drivers/simon1/adlib.o In file included from ./engines/agi/agi.h:32, from ./engines/agi/preagi/preagi.h:25, from engines/agi/preagi/preagi.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/agos.o C++ engines/agos/charset.o C++ engines/agos/charset-fontdata.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./audio/cms.h:29, from ./engines/agos/drivers/accolade/cms.h:27, from engines/agos/drivers/accolade/cms.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/agos/drivers/accolade/pc98.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/contain.o In file included from ./engines/agos/agos.h:32, from ./engines/agos/drivers/accolade/mididriver.h:25, from engines/agos/drivers/accolade/adlib.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/cursor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mididrv_ms.h:25, from ./audio/casio.h:26, from ./engines/agos/drivers/accolade/casio.h:25, from engines/agos/drivers/accolade/casio.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/debug.o C++ engines/agos/debugger.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/drivers/accolade/driverfile.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from ./engines/agos/drivers/accolade/mididriver.h:25, from engines/agos/drivers/accolade/casio.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agos/agos.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/draw.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/charset.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mididrv_ms.h:25, from ./audio/mt32gm.h:26, from ./engines/agos/drivers/accolade/mt32.h:25, from engines/agos/drivers/accolade/mt32.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/event.o In file included from ./engines/agos/agos.h:32, from engines/agos/charset.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mididrv_ms.h:25, from ./audio/adlib_ms.h:25, from ./engines/agos/drivers/simon1/adlib.h:25, from engines/agos/drivers/simon1/adlib.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/gfx.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/agos/cursor.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/icons.o In file included from ./engines/agos/agos.h:32, from ./engines/agos/drivers/accolade/mididriver.h:25, from engines/agos/drivers/accolade/mt32.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/charset-fontdata.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/contain.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/agos.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agos/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/input.o C++ engines/agos/input_pn.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/debug.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/agos/cursor.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/items.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/draw.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/charset-fontdata.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/debugger.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/menus.o C++ engines/agos/metaengine.o In file included from ./engines/agos/agos.h:32, from engines/agos/draw.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/midi.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/event.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/icons.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/debug.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/debug-channels.h:30, from engines/agos/gfx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agos/input.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/menus.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/input_pn.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/icons.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/midiparser_gmf.o In file included from ./engines/agos/agos.h:32, from engines/agos/input.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/midiparser_s1d.o C++ engines/agos/midiparser_simonwin.o C++ engines/agos/pn.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/items.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agos/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/gfx.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agos/midi.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/menus.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/items.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/res.o C++ engines/agos/res_ami.o C++ engines/agos/res_snd.o C++ engines/agos/rooms.o C++ engines/agos/saveload.o In file included from ./engines/agos/agos.h:32, from engines/agos/metaengine.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/agos/midiparser_s1d.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/midi.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script_pn.o C++ engines/agos/script_e1.o C++ engines/agos/script_e2.o C++ engines/agos/script_ww.o In file included from ./common/config-manager.h:27, from engines/agos/pn.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/script_s1.o C++ engines/agos/script_s2.o In file included from ./common/archive.h:31, from engines/agos/res.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/res_ami.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/sfxparser_accolade.o C++ engines/agos/sound.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/agos/res_snd.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/debug-channels.h:30, from engines/agos/script.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/string.o C++ engines/agos/string_pn.o C++ engines/agos/subroutine.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_pn.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/res.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/rooms.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/script.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_e1.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/verb.o C++ engines/agos/verb_pn.o In file included from ./engines/agos/agos.h:32, from engines/agos/pn.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/saveload.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_s2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/vga.o In file included from ./engines/agos/agos.h:32, from engines/agos/rooms.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_e2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/vga_pn.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_ww.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/vga_e2.o C++ engines/agos/vga_ww.o In file included from ./engines/agos/agos.h:32, from engines/agos/res_snd.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' In file included from ./common/debug-channels.h:30, from engines/agos/subroutine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/vga_s1.o In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/vga_s2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/script_s1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/verb_pn.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mididrv_ms.h:25, from ./audio/adlib_ms.h:25, from ./engines/agos/drivers/accolade/adlib.h:25, from ./engines/agos/sfxparser_accolade.h:25, from engines/agos/sfxparser_accolade.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/script_s1.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_e2.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/string.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/window.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_s1.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/subroutine.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/string_pn.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_ww.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/zones.o C++ engines/agos/animation.o In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/sound.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/verb.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' C++ engines/agos/feeble.o ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_pn.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/oracle.o In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_s2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script_dp.o In file included from ./engines/agos/agos.h:32, from engines/agos/verb.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' C++ engines/agos/script_ff.o ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/string.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script_pp.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/zones.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/vga_ff.o In file included from ./common/config-manager.h:27, from engines/agos/feeble.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/ags.o C++ engines/ags/dialogs.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_dp.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/events.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/window.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/agos/animation.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/zones.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/game_scanner.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/oracle.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/feeble.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/globals.o C++ engines/ags/metaengine.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/script_pp.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/music.o In file included from ./graphics/cursorman.h:26, from engines/agos/animation.cpp:33: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/console.o In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/window.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_ff.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/aastr-0.1.1/aarot.o In file included from ./engines/agos/agos.h:32, from engines/agos/script_pp.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/lib/aastr-0.1.1/aastr.o In file included from ./common/config-manager.h:27, from engines/ags/dialogs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/aastr-0.1.1/aautil.o C++ engines/ags/lib/alfont/alfont.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/script_ff.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/ags/detection.h:25, from engines/ags/game_scanner.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/color.o C++ engines/ags/lib/allegro/config.o In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/lib/allegro/draw.o C++ engines/ags/lib/allegro/file.o In file included from ./gui/ThemeEval.h:28, from engines/ags/dialogs.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/ags.h:26, from engines/ags/ags.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/fixed.o In file included from ./engines/agos/agos.h:32, from engines/agos/script_ff.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/events.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/ags/metaengine.h:25, from engines/ags/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/ags/console.h:26, from engines/ags/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/flood.o C++ engines/ags/lib/allegro/gfx.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/midiplayer.h:26, from ./engines/ags/music.h:26, from engines/ags/music.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/graphics.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/globals.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/math.o C++ engines/ags/lib/allegro/rotate.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/lib/aastr-0.1.1/aastr.h:40, from engines/ags/lib/aastr-0.1.1/aarot.cpp:37: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/lib/aastr-0.1.1/aastr.h:40, from engines/ags/lib/aastr-0.1.1/aastr.cpp:37: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/surface.o C++ engines/ags/lib/allegro/surface_generic.o C++ engines/ags/lib/allegro/system.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from engines/ags/lib/allegro/file.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/lib/aastr-0.1.1/aautil.h:40, from engines/ags/lib/aastr-0.1.1/aautil.cpp:37: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/unicode.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/surface.h:25, from ./engines/ags/lib/alfont/alfont.h:25, from engines/ags/lib/alfont/alfont.cpp:46: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from engines/ags/lib/allegro/color.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/gfx.h:25, from ./engines/ags/lib/allegro/draw.h:23, from engines/ags/lib/allegro/draw.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/std/std.o C++ engines/ags/lib/system/datetime.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/lib/allegro/fixed.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/dynobj/script_audio_clip.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/gfx.h:25, from engines/ags/lib/allegro/graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/flood.h:25, from engines/ags/lib/allegro/flood.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/gfx.h:25, from engines/ags/lib/allegro/gfx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/metaengine.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/ags.cpp:61: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' C++ engines/ags/shared/ac/audio_clip_type.o ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/shared/ac/character_info.o In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/globals.cpp:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/shared/ac/common.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/lib/allegro/math.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/dialog_topic.o C++ engines/ags/shared/ac/game_setup_struct.o C++ engines/ags/shared/ac/game_setup_struct_base.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/surface.h:25, from ./engines/ags/lib/allegro/rotate.h:26, from engines/ags/lib/allegro/rotate.cpp:1: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/inventory_item_info.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from engines/ags/lib/allegro/surface_generic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro/system.h:26, from engines/ags/lib/allegro/system.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/keycode.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/system/datetime.h:26, from engines/ags/lib/system/datetime.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/lib/allegro/unicode.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/mouse_cursor.o C++ engines/ags/shared/ac/sprite_cache.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/gfx.h:25, from engines/ags/lib/allegro/surface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/sprite_file.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from engines/ags/lib/std/std.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/view.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/dynobj/script_audio_clip.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/words_dictionary.o C++ engines/ags/shared/core/asset.o C++ engines/ags/shared/core/asset_manager.o C++ engines/ags/shared/debugging/debug_manager.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/audio_clip_type.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' C++ engines/ags/shared/font/fonts.o ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/character_info.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/dialog_topic.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/font/ttf_font_renderer.o C++ engines/ags/shared/font/wfn_font.o C++ engines/ags/shared/font/wfn_font_renderer.o C++ engines/ags/shared/game/custom_properties.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/inventory_item_info.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' C++ engines/ags/shared/game/interactions.o ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/mouse_cursor.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ C++ engines/ags/shared/game/main_game_file.o ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/shared/ac/game_setup_struct.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/game/room_file.o C++ engines/ags/shared/game/room_file_base.o C++ engines/ags/shared/game/room_file_deprecated.o C++ engines/ags/shared/game/room_struct.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/shared/ac/sprite_cache.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/game/tra_file.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from engines/ags/shared/ac/game_setup_struct_base.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/proxy_stream.h:25, from ./engines/ags/shared/util/aligned_stream.h:47, from engines/ags/shared/ac/view.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gfx/allegro_bitmap.o C++ engines/ags/shared/gfx/bitmap.o C++ engines/ags/shared/gfx/image.o C++ engines/ags/shared/gui/gui_button.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from engines/ags/shared/ac/sprite_file.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_inv.o C++ engines/ags/shared/gui/gui_label.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/words_dictionary.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_listbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/surface.h:25, from ./engines/ags/lib/alfont/alfont.h:25, from engines/ags/shared/font/fonts.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/directory.h:31, from engines/ags/shared/core/asset_manager.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/shared/debugging/debug_manager.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_main.o C++ engines/ags/shared/gui/gui_object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/surface.h:25, from ./engines/ags/lib/alfont/alfont.h:25, from engines/ags/shared/font/ttf_font_renderer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/proxy_stream.h:25, from ./engines/ags/shared/util/aligned_stream.h:47, from engines/ags/shared/game/interactions.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/game/custom_properties.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_slider.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/font/wfn_font.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_textbox.o C++ engines/ags/shared/script/cc_common.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/game/room_file.h:38, from engines/ags/shared/game/room_struct.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/ags/shared/gfx/allegro_bitmap.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/game/tra_file.h:32, from engines/ags/shared/game/tra_file.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/script/cc_script.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/shared/game/main_game_file.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/aligned_stream.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from engines/ags/shared/font/wfn_font_renderer.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/game/room_file.h:38, from engines/ags/shared/game/room_file_base.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/buffered_stream.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/gfx/image.h:25, from engines/ags/shared/gfx/image.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/game/room_file.h:38, from engines/ags/shared/game/room_file.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from engines/ags/shared/gfx/bitmap.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from ./engines/ags/shared/ac/sprite_cache.h:47, from engines/ags/shared/gui/gui_button.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_inv.h:26, from engines/ags/shared/gui/gui_inv.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/font/fonts.h:30, from engines/ags/shared/gui/gui_label.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/compress.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_listbox.h:26, from engines/ags/shared/gui/gui_listbox.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/data_ext.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from engines/ags/shared/gui/gui_object.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from engines/ags/shared/gui/gui_main.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/proxy_stream.h:25, from ./engines/ags/shared/util/aligned_stream.h:47, from engines/ags/shared/util/aligned_stream.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/data_stream.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from ./engines/ags/shared/ac/sprite_cache.h:47, from engines/ags/shared/gui/gui_slider.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/font/fonts.h:30, from engines/ags/shared/gui/gui_textbox.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/script/cc_script.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/shared/script/cc_common.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/file_stream.h:28, from ./engines/ags/shared/util/buffered_stream.h:33, from engines/ags/shared/util/buffered_stream.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/directory.o C++ engines/ags/shared/util/file.o C++ engines/ags/shared/util/file_stream.o C++ engines/ags/shared/util/geometry.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/util/wgt2_allg.h:31, from ./engines/ags/shared/util/compress.h:26, from engines/ags/shared/util/compress.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/data_ext.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from engines/ags/shared/util/data_stream.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/ini_file.o C++ engines/ags/shared/util/ini_util.o C++ engines/ags/shared/util/lzw.o C++ engines/ags/shared/util/memory_stream.o C++ engines/ags/shared/util/multi_file_lib.o In file included from ./common/config-manager.h:27, from engines/ags/shared/util/directory.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/path.o C++ engines/ags/shared/util/proxy_stream.o In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/shared/util/directory.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/file_stream.h:28, from ./engines/ags/shared/util/buffered_stream.h:33, from engines/ags/shared/util/file.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/stdio_compat.o C++ engines/ags/shared/util/stream.o C++ engines/ags/shared/util/string.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/file_stream.h:28, from engines/ags/shared/util/file_stream.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/shared/util/file.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/shared/util/file_stream.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/shared/util/string_compat.o C++ engines/ags/shared/util/string_utils.o C++ engines/ags/shared/util/text_stream_reader.o C++ engines/ags/shared/util/text_stream_writer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/memory_stream.h:39, from engines/ags/shared/util/memory_stream.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/ini_util.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/version.o C++ engines/ags/shared/util/wgt2_allg.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/multi_file_lib.h:37, from engines/ags/shared/util/multi_file_lib.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/lzw.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/audio_channel.o C++ engines/ags/engine/ac/audio_clip.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from engines/ags/shared/util/path.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/proxy_stream.h:25, from engines/ags/shared/util/proxy_stream.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/button.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/stream.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from engines/ags/shared/util/stdio_compat.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/cd_audio.o In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/shared/util/stdio_compat.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/engine/ac/character.o C++ engines/ags/engine/ac/character_extras.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/string.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/character_info_engine.o C++ engines/ags/engine/ac/date_time.o C++ engines/ags/engine/ac/dialog.o C++ engines/ags/engine/ac/dialog_options_rendering.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/text_stream_writer.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/text_stream_reader.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/display.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/string_utils.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/draw.o C++ engines/ags/engine/ac/drawing_surface.o C++ engines/ags/engine/ac/draw_software.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/util/wgt2_allg.h:31, from engines/ags/shared/util/wgt2_allg.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/audio_channel.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/media/audio/audio.h:30, from ./engines/ags/engine/media/audio/audio_system.h:28, from engines/ags/engine/ac/audio_clip.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynamic_sprite.o C++ engines/ags/engine/ac/event.o C++ engines/ags/engine/ac/file.o C++ engines/ags/engine/ac/game.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/character_extras.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/game_setup.o C++ engines/ags/engine/ac/game_state.o C++ engines/ags/engine/ac/global_api.o C++ engines/ags/engine/ac/global_audio.o C++ engines/ags/engine/ac/global_button.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/ac/button.h:25, from engines/ags/engine/ac/button.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_character.o In file included from engines/ags/engine/ac/dialog.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/ac/cd_audio.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_date_time.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/character_info_engine.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_debug.o In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/display.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/dynobj/script_dialog_options_rendering.h:25, from ./engines/ags/engine/ac/dialog_options_rendering.h:26, from engines/ags/engine/ac/dialog_options_rendering.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/character.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_dialog.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/drawing_surface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/script_runtime.h:27, from engines/ags/engine/ac/date_time.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/ac/draw_software.h:32, from engines/ags/engine/ac/draw_software.cpp:49: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/dialog.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/lib/aastr-0.1.1/aastr.h:40, from engines/ags/engine/ac/draw.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/file.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_display.o C++ engines/ags/engine/ac/global_drawing_surface.o C++ engines/ags/engine/ac/global_dynamic_sprite.o In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/game.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_file.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/dynamic_sprite.h:26, from engines/ags/engine/ac/dynamic_sprite.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_game.o C++ engines/ags/engine/ac/global_gui.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/event.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/game_state.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_hotspot.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/ac/button.h:25, from engines/ags/engine/ac/global_button.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_inventory_item.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/engine/ac/global_date_time.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/script_runtime.h:27, from engines/ags/engine/ac/global_api.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_audio.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_inv_window.o C++ engines/ags/engine/ac/global_label.o C++ engines/ags/engine/ac/global_listbox.o C++ engines/ags/engine/ac/global_mouse.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_debug.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/global_character.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_dialog.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_object.o C++ engines/ags/engine/ac/global_overlay.o C++ engines/ags/engine/ac/global_palette.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/global_drawing_surface.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/global_display.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/ac/file.cpp:42: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_dynamic_sprite.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/directory.h:31, from engines/ags/engine/ac/global_file.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_inventory_item.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_parser.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/global_gui.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_region.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_hotspot.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/system/datetime.h:26, from ./engines/ags/engine/ac/global_game.h:26, from engines/ags/engine/ac/global_game.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_label.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/global_inv_window.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/global_mouse.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/ac/game.cpp:80: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_listbox.h:26, from ./engines/ags/engine/ac/listbox.h:25, from engines/ags/engine/ac/global_listbox.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_room.o C++ engines/ags/engine/ac/global_screen.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_overlay.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_palette.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_object.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_slider.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/global_parser.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_string.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/global_region.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_textbox.o C++ engines/ags/engine/ac/global_timer.o C++ engines/ags/engine/ac/global_translation.o C++ engines/ags/engine/ac/global_video.o C++ engines/ags/engine/ac/global_viewport.o C++ engines/ags/engine/ac/global_view_frame.o C++ engines/ags/engine/ac/global_walkable_area.o C++ engines/ags/engine/ac/global_walk_behind.o C++ engines/ags/engine/ac/gui.o C++ engines/ags/engine/ac/gui_control.o C++ engines/ags/engine/ac/gui_inv.o C++ engines/ags/engine/ac/hotspot.o C++ engines/ags/engine/ac/interface_button.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_room.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_screen.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/interface_element.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_slider.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/inventory_item.o C++ engines/ags/engine/ac/inv_window.o C++ engines/ags/engine/ac/label.o C++ engines/ags/engine/ac/listbox.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/ac/global_string.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/math.o C++ engines/ags/engine/ac/mouse.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/global_timer.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/global_translation.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/move_list.o In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/global_video.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_textbox.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_viewport.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_view_frame.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_walkable_area.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_walk_behind.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/overlay.o C++ engines/ags/engine/ac/parser.o C++ engines/ags/engine/ac/properties.o C++ engines/ags/engine/ac/region.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/gui.h:26, from engines/ags/engine/ac/gui.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/engine/ac/gui_control.h:25, from engines/ags/engine/ac/gui_control.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/rich_game_media.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_inv.h:26, from engines/ags/engine/ac/gui_inv.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/hotspot.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/room.o C++ engines/ags/engine/ac/room_object.o C++ engines/ags/engine/ac/room_status.o C++ engines/ags/engine/ac/route_finder.o In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/listbox.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/math.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/inventory_item.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_label.h:26, from ./engines/ags/engine/ac/label.h:25, from engines/ags/engine/ac/label.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_inv.h:26, from ./engines/ags/engine/ac/inv_window.h:27, from engines/ags/engine/ac/inv_window.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/engine/ac/move_list.h:25, from engines/ags/engine/ac/move_list.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/route_finder_impl.o C++ engines/ags/engine/ac/route_finder_impl_legacy.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/mouse.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/route_finder_jps.o C++ engines/ags/engine/ac/screen.o C++ engines/ags/engine/ac/screen_overlay.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/object.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/rich_game_media.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/script_containers.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/properties.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/parser.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/region.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from ./engines/ags/shared/ac/sprite_cache.h:47, from engines/ags/engine/ac/overlay.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/slider.o C++ engines/ags/engine/ac/sprite.o C++ engines/ags/engine/ac/speech.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/room_object.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/sprite_cache_engine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/ac/route_finder.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/string.o C++ engines/ags/engine/ac/system.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/room_status.h:27, from engines/ags/engine/ac/room_status.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ C++ engines/ags/engine/ac/sys_events.o ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/room.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/textbox.o C++ engines/ags/engine/ac/timer.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/engine/ac/move_list.h:25, from engines/ags/engine/ac/route_finder_impl.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/screen.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from engines/ags/engine/ac/route_finder_impl_legacy.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ C++ engines/ags/engine/ac/translation.o ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from ./engines/ags/shared/ac/sprite_cache.h:47, from engines/ags/engine/ac/screen_overlay.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/view_frame.o C++ engines/ags/engine/ac/viewport_script.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/engine/ac/dynobj/script_dict.h:41, from engines/ags/engine/ac/script_containers.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/walkable_area.o C++ engines/ags/engine/ac/walk_behind.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_slider.h:26, from ./engines/ags/engine/ac/slider.h:25, from engines/ags/engine/ac/slider.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/system.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/sprite.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_ags_dynamic_object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/ags/engine/ac/sys_events.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from ./engines/ags/shared/ac/sprite_cache.h:47, from engines/ags/engine/ac/sprite_cache_engine.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_audio_channel.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/speech.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_audio_clip.o C++ engines/ags/engine/ac/dynobj/cc_character.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_textbox.h:26, from ./engines/ags/engine/ac/textbox.h:25, from engines/ags/engine/ac/textbox.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/lib/std/thread.h:25, from engines/ags/engine/ac/timer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/string.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_dialog.o C++ engines/ags/engine/ac/dynobj/cc_dynamic_array.o C++ engines/ags/engine/ac/dynobj/cc_dynamic_object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/view_frame.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/viewport_script.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_gui.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/translation.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/memory_stream.h:39, from engines/ags/engine/ac/dynobj/cc_ags_dynamic_object.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_gui_object.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/walkable_area.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/cc_audio_channel.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/room_status.h:27, from engines/ags/engine/ac/walk_behind.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/ac/speech.cpp:40: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_hotspot.o C++ engines/ags/engine/ac/dynobj/cc_inventory.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/dynobj/cc_audio_clip.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/dynobj/cc_character.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/cc_dialog.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_region.o C++ engines/ags/engine/ac/dynobj/cc_serializer.o C++ engines/ags/engine/ac/dynobj/managed_object_pool.o C++ engines/ags/engine/ac/dynobj/script_camera.o C++ engines/ags/engine/ac/dynobj/script_date_time.o C++ engines/ags/engine/ac/dynobj/script_dialog_options_rendering.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/ac/dynobj/cc_dynamic_array.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_dict.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/cc_dynamic_object.cpp:42: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/cc_gui.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_drawing_surface.o C++ engines/ags/engine/ac/dynobj/script_dynamic_sprite.o C++ engines/ags/engine/ac/dynobj/script_file.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from engines/ags/engine/ac/dynobj/cc_gui_object.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_overlay.o C++ engines/ags/engine/ac/dynobj/script_set.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from engines/ags/engine/ac/dynobj/cc_hotspot.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/cc_inventory.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_date_time.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_string.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from engines/ags/engine/ac/dynobj/cc_region.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/memory_stream.h:39, from engines/ags/engine/ac/dynobj/cc_serializer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_user_object.o ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/engine/ac/dynobj/script_dict.h:41, from engines/ags/engine/ac/dynobj/script_dict.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/dynobj/script_dialog_options_rendering.h:25, from engines/ags/engine/ac/dynobj/script_dialog_options_rendering.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_viewport.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/dynobj/script_camera.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from engines/ags/engine/ac/dynobj/cc_object.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/managed_object_pool.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_view_frame.o C++ engines/ags/engine/ac/statobj/ags_static_object.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_dynamic_sprite.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/engine/ac/dynobj/script_set.h:40, from engines/ags/engine/ac/dynobj/script_set.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from engines/ags/engine/ac/dynobj/script_drawing_surface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/statobj/static_array.o C++ engines/ags/engine/debugging/console_output_target.o C++ engines/ags/engine/debugging/debug.o C++ engines/ags/engine/debugging/file_based_ags_debugger.o C++ engines/ags/engine/debugging/log_file.o C++ engines/ags/engine/debugging/message_buffer.o C++ engines/ags/engine/device/mouse_w32.o C++ engines/ags/engine/font/fonts_engine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_overlay.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_user_object.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_string.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/game/game_init.o C++ engines/ags/engine/game/savegame.o C++ engines/ags/engine/game/savegame_components.o C++ engines/ags/engine/game/savegame_v321.o C++ engines/ags/engine/game/viewport.o C++ engines/ags/engine/gfx/ali_3d_scummvm.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/dynobj/script_viewport.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_view_frame.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gfx/blender.o C++ engines/ags/engine/gfx/color_engine.o C++ engines/ags/engine/gfx/gfx_driver_base.o C++ engines/ags/engine/gfx/gfx_driver_factory.o C++ engines/ags/engine/gfx/gfx_util.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/statobj/ags_static_object.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gfx/gfxfilter_scaling.o C++ engines/ags/engine/gfx/gfxfilter_scummvm_renderer.o C++ engines/ags/engine/gui/animating_gui_button.o C++ engines/ags/engine/gui/csci_dialog.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/debugging/log_file.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/debugging/file_based_ags_debugger.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/font/fonts_engine.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/debugging/debug.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gui/gui_dialog.o C++ engines/ags/engine/gui/gui_engine.o C++ engines/ags/engine/gui/my_label.o C++ engines/ags/engine/gui/my_listbox.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/device/mouse_w32.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/debugging/console_output_target.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/debugging/message_buffer.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gui/my_push_button.o C++ engines/ags/engine/gui/my_textbox.o C++ engines/ags/engine/gui/new_control.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/game/game_init.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/engine/game/savegame_components.h:26, from engines/ags/engine/game/savegame_components.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/game/savegame.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/game/viewport.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/engine/gfx/color_engine.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/engine/gfx/blender.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/ac/button.h:25, from engines/ags/engine/game/savegame_v321.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from engines/ags/engine/gfx/gfx_driver_base.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/config.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/gfx/ali_3d_scummvm.h:40, from engines/ags/engine/gfx/ali_3d_scummvm.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/engine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/gui/animating_gui_button.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/gfx/gfx_util.h:37, from engines/ags/engine/gfx/gfx_util.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/engine_setup.o C++ engines/ags/engine/main/game_file.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/gfx/ali_3d_scummvm.h:40, from engines/ags/engine/gfx/gfx_driver_factory.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/game_run.o C++ engines/ags/engine/main/game_start.o C++ engines/ags/engine/main/graphics_mode.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/gui/gui_dialog_internal_defs.h:26, from ./engines/ags/engine/gui/csci_dialog.h:32, from engines/ags/engine/gui/csci_dialog.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/main.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/gfx/gfxfilter_scummvm_renderer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/engine/gui/gui_dialog.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/quit.o C++ engines/ags/engine/main/update.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/font/fonts.h:30, from engines/ags/engine/gui/gui_engine.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/media/audio/ambient_sound.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/ags/engine/ac/sys_events.h:25, from engines/ags/engine/gui/my_push_button.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/font/fonts.h:30, from engines/ags/engine/gui/my_listbox.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/gui/my_label.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/media/audio/audio.o C++ engines/ags/engine/media/audio/queued_audio_item.o C++ engines/ags/engine/media/audio/clip_my_midi.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/gui/new_control.h:25, from engines/ags/engine/gui/new_control.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/media/audio/sound.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/font/fonts.h:30, from engines/ags/engine/gui/my_textbox.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/media/audio/sound_clip.o C++ engines/ags/engine/media/video/video.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/main/config.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/engine/main/engine.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/platform/base/ags_platform_driver.o C++ engines/ags/engine/platform/base/sys_main.o C++ engines/ags/engine/platform/scummvm/scummvm_platform_driver.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/main/game_file.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/main/engine_setup.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/script/cc_instance.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/ac/button.h:25, from engines/ags/engine/main/game_run.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/main/graphics_mode.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/engine/main/main.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/media/audio/audio.h:30, from engines/ags/engine/media/audio/ambient_sound.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/script/executing_script.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/media/audio/queued_audio_item.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/main/game_start.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/main/quit.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/media/audio/audio.h:30, from engines/ags/engine/media/audio/audio.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/main/update.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/engine/media/audio/sound_clip.h:31, from engines/ags/engine/media/audio/sound_clip.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/util/wgt2_allg.h:31, from engines/ags/engine/media/audio/clip_my_midi.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/script/exports.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/engine/media/audio/sound_clip.h:31, from ./engines/ags/engine/media/audio/sound.h:32, from engines/ags/engine/media/audio/sound.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/engine/platform/base/sys_main.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/script/runtime_script_value.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./video/avi_decoder.h:27, from engines/ags/engine/media/video/video.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ C++ engines/ags/engine/script/script.o ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/script/script_api.o C++ engines/ags/engine/script/script_runtime.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/ags.h:26, from engines/ags/engine/platform/scummvm/scummvm_platform_driver.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/script/system_imports.o C++ engines/ags/plugins/ags_plugin.o C++ engines/ags/plugins/plugin_base.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/util/wgt2_allg.h:31, from engines/ags/engine/platform/base/ags_platform_driver.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/main/main.cpp:39: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/plugins/plugin_object_reader.o In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/main/config.cpp:39: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/plugins/core/audio_channel.o C++ engines/ags/plugins/core/core.o In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/main/engine.cpp:72: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ In file included from ./common/debug-channels.h:30, from engines/ags/engine/script/cc_instance.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/plugins/core/audio_clip.o C++ engines/ags/plugins/core/button.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/executing_script.h:25, from engines/ags/engine/script/executing_script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/character.o C++ engines/ags/plugins/core/date_time.o C++ engines/ags/plugins/core/dialog.o C++ engines/ags/plugins/core/dialog_options_rendering_info.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/system_imports.h:26, from engines/ags/engine/script/system_imports.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/script.h:27, from engines/ags/engine/script/script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/system_imports.h:26, from engines/ags/engine/script/script_runtime.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/ags_plugin.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/script/script_api.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/plugin_base.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/drawing_surface.o C++ engines/ags/plugins/core/dynamic_sprite.o C++ engines/ags/plugins/core/file.o C++ engines/ags/plugins/core/game.o C++ engines/ags/plugins/core/global_api.o C++ engines/ags/plugins/core/gui.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/ac/button.h:25, from engines/ags/plugins/core/button.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/gui_control.o C++ engines/ags/plugins/core/hotspot.o C++ engines/ags/plugins/core/inventory_item.o C++ engines/ags/plugins/core/inv_window.o C++ engines/ags/plugins/core/label.o C++ engines/ags/plugins/core/listbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/dynobj/script_dialog_options_rendering.h:25, from ./engines/ags/engine/ac/dialog_options_rendering.h:26, from engines/ags/plugins/core/dialog_options_rendering_info.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/maths.o C++ engines/ags/plugins/core/mouse.o C++ engines/ags/plugins/core/object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/drawing_surface.h:25, from engines/ags/plugins/core/drawing_surface.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/system/datetime.h:26, from ./engines/ags/engine/ac/global_game.h:26, from engines/ags/plugins/core/game.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/overlay.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/dynamic_sprite.h:26, from engines/ags/plugins/core/dynamic_sprite.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/parser.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/gui.h:26, from engines/ags/plugins/core/gui.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/region.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/plugins/core/global_api.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/room.o C++ engines/ags/plugins/core/slider.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/engine/ac/gui_control.h:25, from engines/ags/plugins/core/gui_control.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/ags/plugins/ags_plugin.cpp: In member function 'virtual void AGS3::IAGSEngine::GetRenderStageDesc(AGS3::AGSRenderStageDesc*)': engines/ags/plugins/ags_plugin.cpp:756:73: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 756 | _G(gfxDriver)->GetStageMatrixes((RenderMatrixes &)desc->Matrixes); | ~~~~~~^~~~~~~~ C++ engines/ags/plugins/core/string.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_label.h:26, from ./engines/ags/engine/ac/label.h:25, from engines/ags/plugins/core/label.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/system.o C++ engines/ags/plugins/core/textbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_inv.h:26, from ./engines/ags/engine/ac/inv_window.h:27, from engines/ags/plugins/core/inv_window.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_listbox.h:26, from ./engines/ags/engine/ac/listbox.h:25, from engines/ags/plugins/core/listbox.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' C++ engines/ags/plugins/core/view_frame.o ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_agi/ags_agi.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/system/datetime.h:26, from ./engines/ags/engine/ac/global_game.h:26, from engines/ags/plugins/core/mouse.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_app_open_url/ags_app_open_url.o C++ engines/ags/plugins/ags_blend/ags_blend.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/room.h:25, from engines/ags/plugins/core/room.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_slider.h:26, from ./engines/ags/engine/ac/slider.h:25, from engines/ags/plugins/core/slider.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_bm_font_renderer/ags_bm_font_renderer.o C++ engines/ags/plugins/ags_clipboard/ags_clipboard.o C++ engines/ags/plugins/ags_collision_detector/ags_collision_detector.o C++ engines/ags/plugins/ags_consoles/ags_consoles.o C++ engines/ags/plugins/ags_controller/ags_controller.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_textbox.h:26, from ./engines/ags/engine/ac/textbox.h:25, from engines/ags/plugins/core/textbox.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_controller/ags_controller_arcnor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/ac/view_frame.h:29, from engines/ags/plugins/core/view_frame.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_creditz/ags_creditz.o C++ engines/ags/plugins/ags_creditz/ags_creditz1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/plugins/ags_app_open_url/ags_app_open_url.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_creditz/ags_creditz2.o C++ engines/ags/plugins/ags_creditz/drawing.o C++ engines/ags/plugins/ags_fire/ags_fire.o C++ engines/ags/plugins/ags_flashlight/ags_flashlight.o C++ engines/ags/plugins/ags_flashlight/gfx.o C++ engines/ags/plugins/ags_galaxy_steam/ags_wadjeteye_steam.o C++ engines/ags/plugins/ags_galaxy_steam/ags_galaxy_steam.o C++ engines/ags/plugins/ags_joy/ags_joy.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/plugins/ags_clipboard/ags_clipboard.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_nickenstien_gfx/ags_nickenstien_gfx.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/ags/plugins/ags_bm_font_renderer/ags_bm_font_renderer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_pal_render/ags_pal_render.o C++ engines/ags/plugins/ags_pal_render/raycast.o C++ engines/ags/plugins/ags_parallax/ags_parallax.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/plugins/ags_collision_detector/ags_collision_detector.h:26, from engines/ags/plugins/ags_collision_detector/ags_collision_detector.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_snow_rain/ags_snow_rain.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/ags/events.h:28, from engines/ags/plugins/ags_controller/ags_controller.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_snow_rain/weather.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/ags/events.h:28, from engines/ags/plugins/ags_controller/ags_controller_arcnor.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sock/ags_sock.o C++ engines/ags/plugins/ags_sprite_font/ags_sprite_font.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/ags/plugins/ags_creditz/ags_creditz.h:28, from ./engines/ags/plugins/ags_creditz/ags_creditz1.h:25, from engines/ags/plugins/ags_creditz/ags_creditz1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/ags/plugins/ags_creditz/ags_creditz.h:28, from engines/ags/plugins/ags_creditz/ags_creditz.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sprite_font/ags_sprite_font_clifftop.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/ags/plugins/ags_creditz/ags_creditz.h:28, from ./engines/ags/plugins/ags_creditz/ags_creditz2.h:25, from engines/ags/plugins/ags_creditz/ags_creditz2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sprite_font/character_entry.o C++ engines/ags/plugins/ags_sprite_font/color.o In file included from ./engines/achievements.h:28, from ./engines/ags/metaengine.h:25, from engines/ags/plugins/ags_galaxy_steam/ags_galaxy_steam.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sprite_font/sprite_font.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/ags_flashlight/ags_flashlight.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sprite_font/sprite_font_renderer.o C++ engines/ags/plugins/ags_sprite_font/sprite_font_renderer_clifftop.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/ags/plugins/ags_galaxy_steam/ags_galaxy_steam.h:27, from ./engines/ags/plugins/ags_galaxy_steam/ags_wadjeteye_steam.h:25, from engines/ags/plugins/ags_galaxy_steam/ags_wadjeteye_steam.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sprite_font/variable_width_font.o C++ engines/ags/plugins/ags_sprite_font/variable_width_sprite_font.o C++ engines/ags/plugins/ags_sprite_font/variable_width_sprite_font_clifftop.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/ags_pal_render/ags_pal_render.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sprite_video/ags_sprite_video.o C++ engines/ags/plugins/ags_shell/ags_shell.o C++ engines/ags/plugins/ags_tcp_ip/ags_tcp_ip.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/plugins/ags_flashlight/ags_flashlight.h:27, from engines/ags/plugins/ags_flashlight/gfx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/ags_pal_render/raycast.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_touch/ags_touch.o C++ engines/ags/plugins/ags_trans/ags_trans.o C++ engines/ags/plugins/ags_wadjet_util/ags_wadjet_util.o C++ engines/ags/plugins/ags_waves/ags_waves.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/ags_snow_rain/weather.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_waves/data.o C++ engines/ags/plugins/ags_waves/draw.o C++ engines/ags/plugins/ags_waves/sound.o C++ engines/ags/plugins/ags_waves/warper.o C++ engines/ags/plugins/ags_waves/weather.o C++ engines/ags/lib/freetype-2.1.3/autohint/ahangles.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/ags/plugins/ags_sprite_video/ags_sprite_video.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/ags.h:26, from engines/ags/plugins/ags_shell/ags_shell.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/plugins/ags_touch/ags_touch.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/plugins/ags_tcp_ip/ags_tcp_ip.h:26, from engines/ags/plugins/ags_tcp_ip/ags_tcp_ip.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/freetype-2.1.3/autohint/ahglobal.o engines/ags/plugins/ags_pal_render/raycast.cpp: In function 'double AGS3::Plugins::AGSPalRender::fsqrt(double)': engines/ags/plugins/ags_pal_render/raycast.cpp:180:32: warning: 'tempf' is used uninitialized [-Wuninitialized] 180 | *tfptr = (0xbfcdd90a - *tfptr) >> 1; /* estimate of 1/sqrt(y) */ | ^~~~~~ engines/ags/plugins/ags_pal_render/raycast.cpp:176:22: note: 'tempf' declared here 176 | double x, z, tempf; | ^~~~~ C++ engines/ags/lib/freetype-2.1.3/autohint/ahglyph.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/plugins/ags_waves/ags_waves.h:25, from engines/ags/plugins/ags_waves/ags_waves.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/freetype-2.1.3/autohint/ahhint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/plugins/ags_waves/ags_waves.h:25, from engines/ags/plugins/ags_waves/data.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/plugins/ags_waves/ags_waves.h:25, from engines/ags/plugins/ags_waves/draw.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/freetype-2.1.3/ftgloadr.o C++ engines/ags/lib/freetype-2.1.3/ftutil.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/plugins/ags_waves/ags_waves.h:25, from engines/ags/plugins/ags_waves/warper.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/surface_sse2.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/ags/plugins/ags_waves/sound.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/surface_avx2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/plugins/ags_waves/ags_waves.h:25, from engines/ags/plugins/ags_waves/weather.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/board.o C++ engines/asylum/puzzles/boardkeyhidesto.o C++ engines/asylum/puzzles/boardsalvation.o C++ engines/asylum/puzzles/boardyouth.o C++ engines/asylum/puzzles/clock.o C++ engines/asylum/puzzles/fisherman.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/ags/lib/freetype-2.1.3/autohint/ahglobal.cpp:47: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/hivecontrol.o C++ engines/asylum/puzzles/hivemachine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/ags/lib/freetype-2.1.3/autohint/ahglyph.cpp:51: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/lock.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/ags/lib/freetype-2.1.3/ftutil.cpp:43: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/morguedoor.o C++ engines/asylum/puzzles/pipes.o C++ engines/asylum/puzzles/puzzle.o C++ engines/asylum/puzzles/puzzles.o C++ engines/asylum/puzzles/tictactoe.o C++ engines/asylum/puzzles/timemachine.o C++ engines/asylum/puzzles/vcr.o C++ engines/asylum/puzzles/wheel.o C++ engines/asylum/puzzles/writings.o C++ engines/asylum/resources/actor.o C++ engines/asylum/resources/data.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/board.h:25, from ./engines/asylum/puzzles/boardkeyhidesto.h:25, from engines/asylum/puzzles/boardkeyhidesto.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/board.h:25, from ./engines/asylum/puzzles/boardsalvation.h:25, from engines/asylum/puzzles/boardsalvation.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/board.h:25, from ./engines/asylum/puzzles/boardyouth.h:25, from engines/asylum/puzzles/boardyouth.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/encounters.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/board.h:25, from engines/asylum/puzzles/board.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/clock.h:25, from engines/asylum/puzzles/clock.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/inventory.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/fisherman.h:25, from engines/asylum/puzzles/fisherman.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/polygons.o C++ engines/asylum/resources/script.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/hivecontrol.h:27, from engines/asylum/puzzles/hivecontrol.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/lock.h:25, from engines/asylum/puzzles/lock.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/special.o C++ engines/asylum/resources/worldstats.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/hivemachine.h:27, from engines/asylum/puzzles/hivemachine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from engines/asylum/puzzles/puzzle.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/config.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/timemachine.h:25, from engines/asylum/puzzles/timemachine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/cursor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/morguedoor.h:25, from engines/asylum/puzzles/morguedoor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/tictactoe.h:25, from engines/asylum/puzzles/tictactoe.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/graphics.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/pipes.h:31, from engines/asylum/puzzles/pipes.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/vcr.h:25, from engines/asylum/puzzles/vcr.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/savegame.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/writings.h:25, from engines/asylum/puzzles/writings.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/wheel.h:25, from engines/asylum/puzzles/wheel.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/asylum/console.h:27, from ./engines/asylum/puzzles/puzzles.h:27, from engines/asylum/puzzles/puzzles.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/actor.h:26, from engines/asylum/resources/actor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/asylum/console.h:27, from engines/asylum/resources/data.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/screen.o C++ engines/asylum/system/sound.o C++ engines/asylum/system/speech.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/object.h:25, from engines/asylum/resources/object.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/actor.h:26, from engines/asylum/resources/inventory.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/polygons.h:26, from engines/asylum/resources/polygons.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/asylum/eventhandler.h:26, from ./engines/asylum/resources/encounters.h:28, from engines/asylum/resources/encounters.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/worldstats.h:26, from engines/asylum/resources/worldstats.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/special.h:26, from engines/asylum/resources/special.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/resources/script.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/asylum/system/config.h:26, from engines/asylum/system/config.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/text.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/asylum/console.h:27, from ./engines/asylum/puzzles/puzzles.h:27, from engines/asylum/resources/script.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/system/graphics.h:25, from engines/asylum/system/graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/views/insertdisc.o In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/resources/actor.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/views/menu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/asylum/system/cursor.h:25, from engines/asylum/system/cursor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/views/resviewer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/asylum/system/savegame.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/system/screen.h:27, from engines/asylum/system/screen.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/views/scene.o In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/resources/encounters.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/actor.h:26, from engines/asylum/system/speech.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/views/scenetitle.o In file included from ./engines/asylum/system/config.h:26, from engines/asylum/system/sound.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/resources/special.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/resources/worldstats.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/views/video.o C++ engines/asylum/asylum.o In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/system/savegame.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/console.o In file included from ./graphics/cursorman.h:26, from engines/asylum/system/cursor.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/system/text.h:25, from engines/asylum/system/text.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/respack.o C++ engines/avalanche/animation.o In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/system/screen.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/asylum/eventhandler.h:26, from ./engines/asylum/views/insertdisc.h:25, from engines/asylum/views/insertdisc.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/system/graphics.h:25, from ./engines/asylum/views/resviewer.h:25, from engines/asylum/views/resviewer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./backends/keymapper/action.h:28, from engines/asylum/views/menu.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/avalanche.o C++ engines/avalanche/avalot.o C++ engines/avalanche/background.o C++ engines/avalanche/closing.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/asylum/views/scene.h:26, from engines/asylum/views/scene.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/worldstats.h:26, from engines/asylum/views/scenetitle.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./video/avi_decoder.h:27, from engines/asylum/views/video.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/console.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./backends/keymapper/hardware-input.h:28, from ./backends/keymapper/keymap.h:27, from ./backends/keymapper/keymapper.h:27, from engines/asylum/asylum.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/debug-channels.h:30, from engines/asylum/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/asylum/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/graphics.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/asylum/respack.h:26, from engines/asylum/respack.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/dropdown.o C++ engines/avalanche/parser.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/avalanche/animation.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/dialogs.o In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/views/scene.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/sequence.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/avalanche.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/avalot.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/sound.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/closing.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/timer.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/background.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/metaengine.o In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/console.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from engines/avalanche/console.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55, from engines/avalanche/animation.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/nim.o In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/asylum.cpp:37: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/clock.o C++ engines/avalanche/ghostroom.o In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/help.o In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/dropdown.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/graphics.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/shootemup.o C++ engines/avalanche/mainmenu.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/parser.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/highscore.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/dialogs.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55, from engines/avalanche/console.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' C++ engines/bbvs/bbvs.o ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/timer.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/sequence.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/dialogs.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/gamemodule.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/metaengine.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' C++ engines/bbvs/graphics.o ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/bbvs/logic.o In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/nim.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/avalanche/clock.h:30, from engines/avalanche/clock.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/ghostroom.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/metaengine.o C++ engines/bbvs/saveload.o In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/help.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/mainmenu.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/bbvs/scene.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/highscore.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/shootemup.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55, from engines/avalanche/clock.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/bbvs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/dialogs.h:25, from engines/bbvs/dialogs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/sound.o In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bbvs/spritemodule.h:26, from ./engines/bbvs/graphics.h:25, from engines/bbvs/graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/logic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bbvs/gamemodule.h:26, from engines/bbvs/gamemodule.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/gfx.h:25, from engines/ags/lib/allegro/surface_avx2.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' C++ engines/bbvs/spritemodule.o ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/ags.h:26, from engines/ags/lib/allegro/surface_sse2.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/videoplayer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/walk.o C++ engines/bbvs/minigames/bbairguitar.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/scene.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/minigames/bbairguitar_anims.o C++ engines/bbvs/minigames/bbant.o In file included from ./graphics/cursorman.h:26, from engines/bbvs/bbvs.cpp:45: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/sound.h:25, from engines/bbvs/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/minigames/bbant_anims.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bbvs/spritemodule.h:26, from engines/bbvs/spritemodule.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/walk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/videoplayer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/minigames/bbloogie.o C++ engines/bbvs/minigames/bbloogie_anims.o C++ engines/bbvs/minigames/bbtennis.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbairguitar.h:25, from engines/bbvs/minigames/bbairguitar.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/minigames/bbtennis_anims.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbairguitar.h:25, from engines/bbvs/minigames/bbairguitar_anims.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbant.h:25, from engines/bbvs/minigames/bbant.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/minigames/minigame.o C++ engines/bladerunner/actor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbant.h:25, from engines/bbvs/minigames/bbant_anims.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/actor_clues.o C++ engines/bladerunner/actor_combat.o C++ engines/bladerunner/actor_dialogue_queue.o C++ engines/bladerunner/actor_walk.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbloogie.h:25, from engines/bbvs/minigames/bbloogie_anims.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/sound.h:25, from engines/bbvs/minigames/bbtennis.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbloogie.h:25, from engines/bbvs/minigames/bbloogie.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbtennis.h:25, from engines/bbvs/minigames/bbtennis_anims.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/adpcm_decoder.o C++ engines/bladerunner/ambient_sounds.o C++ engines/bladerunner/archive.o C++ engines/bladerunner/aud_stream.o C++ engines/bladerunner/audio_cache.o C++ engines/bladerunner/audio_mixer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from engines/bbvs/minigames/minigame.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/audio_speech.o C++ engines/bladerunner/audio_player.o C++ engines/bladerunner/bladerunner.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/actor_combat.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/actor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/boundingbox.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/actor_dialogue_queue.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/actor_clues.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/chapters.o C++ engines/bladerunner/color.o C++ engines/bladerunner/combat.o C++ engines/bladerunner/crimes_database.o C++ engines/bladerunner/debugger.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/actor_walk.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from engines/bladerunner/archive.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/decompress_lcw.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/ambient_sounds.h:25, from engines/bladerunner/ambient_sounds.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/audio_cache.h:26, from engines/bladerunner/audio_cache.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/decompress_lzo.o C++ engines/bladerunner/dialogue_menu.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/audio_cache.h:26, from engines/bladerunner/aud_stream.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bladerunner/audio_mixer.h:26, from engines/bladerunner/audio_mixer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/audio_player.h:26, from engines/bladerunner/audio_player.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/framelimiter.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/audio_speech.h:25, from engines/bladerunner/audio_speech.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/chapters.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/bladerunner/color.h:25, from engines/bladerunner/color.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/fog.o C++ engines/bladerunner/font.o C++ engines/bladerunner/game_flags.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/bladerunner.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/combat.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/game_info.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/crimes_database.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bla