>>> xtl: Building testing/xtl 0.8.0-r0 (using abuild 3.15.0-r2) started Mon, 28 Jul 2025 22:12:48 +0000 >>> xtl: Validating /home/buildozer/aports/testing/xtl/APKBUILD... >>> xtl: Analyzing dependencies... >>> xtl: Installing for build: build-base cmake samurai doctest-dev (1/9) Installing libbz2 (1.0.8-r6) (2/9) Installing xz-libs (5.8.1-r0) (3/9) Installing libarchive (3.8.1-r0) (4/9) Installing rhash-libs (1.4.6-r0) (5/9) Installing libuv (1.51.0-r0) (6/9) Installing cmake (4.0.3-r0) (7/9) Installing samurai (1.2-r7) (8/9) Installing doctest-dev (2.4.11-r0) (9/9) Installing .makedepends-xtl (20250728.221249) busybox-1.37.0-r21.trigger: Executing script... OK: 440 MiB in 117 packages >>> xtl: Cleaning up srcdir >>> xtl: Cleaning up pkgdir >>> xtl: Cleaning up tmpdir >>> xtl: Fetching https://distfiles.alpinelinux.org/distfiles/edge//xtl-0.8.0.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 curl: (22) The requested URL returned error: 404 >>> xtl: Fetching xtl-0.8.0.tar.gz::https://github.com/xtensor-stack/xtl/archive/refs/tags/0.8.0.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 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 100 135k 100 135k 0 0 128k 0 0:00:01 0:00:01 --:--:-- 259k >>> xtl: Fetching https://distfiles.alpinelinux.org/distfiles/edge//xtl-0.8.0.tar.gz >>> xtl: Checking sha512sums... xtl-0.8.0.tar.gz: OK >>> xtl: Unpacking /var/cache/distfiles/edge/xtl-0.8.0.tar.gz... -- The C compiler identification is GNU 15.1.1 -- The CXX compiler identification is GNU 15.1.1 -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: /usr/bin/cc - skipped -- Detecting C compile features -- Detecting C compile features - done -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Check for working CXX compiler: /usr/bin/c++ - skipped -- Detecting CXX compile features -- Detecting CXX compile features - done -- xtl v0.8.0 -- Tests build type is MinSizeRel -- Performing Test HAS_MARCH_NATIVE -- Performing Test HAS_MARCH_NATIVE - Success -- Performing Test CMAKE_HAVE_LIBC_PTHREAD -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success -- Found Threads: TRUE -- Configuring done (0.3s) -- Generating done (0.0s) -- Build files have been written to: /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/build [1/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xvisitor.cpp.o [2/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xsystem.cpp.o [3/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xproxy_wrapper.cpp.o [4/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xplatform.cpp.o [5/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xtype_traits.cpp.o [6/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xsequence.cpp.o [7/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xoptional.cpp.o [8/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xmultimethods.cpp.o [9/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xmeta_utils.cpp.o [10/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xmasked_value.cpp.o [11/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xiterator_base.cpp.o [12/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xhierarchy_generator.cpp.o [13/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xhash.cpp.o [14/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xhalf_float.cpp.o [15/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xfunctional.cpp.o [16/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xdynamic_bitset.cpp.o [17/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xclosure.cpp.o [18/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xcomplex_sequence.cpp.o [19/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xcompare.cpp.o [20/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xcomplex.cpp.o In file included from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan.hpp:13, from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xdynamic_bitset.hpp:22, from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xoptional_sequence.hpp:21, from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/test/test_xoptional.cpp:11: /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:554:26: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 554 | span(T (&)[N])->span; | ^ /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:557:35: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 557 | span(std::array&)->span; | ^ /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:560:47: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 560 | span(const std::array&)->span; | ^ [21/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xbasic_fixed_string.cpp.o [22/90] Building CXX object test/CMakeFiles/test_xtl.dir/test_xbase64.cpp.o [23/90] Building CXX object test/CMakeFiles/test_xtl.dir/main.cpp.o [24/90] Building CXX object test/CMakeFiles/test_xvisitor.dir/test_xvisitor.cpp.o [25/90] Building CXX object test/CMakeFiles/test_xvisitor.dir/main.cpp.o [26/90] Building CXX object test/CMakeFiles/test_xsystem.dir/test_xsystem.cpp.o [27/90] Building CXX object test/CMakeFiles/test_xsystem.dir/main.cpp.o [28/90] Building CXX object test/CMakeFiles/test_xproxy_wrapper.dir/test_xproxy_wrapper.cpp.o [29/90] Building CXX object test/CMakeFiles/test_xproxy_wrapper.dir/main.cpp.o [30/90] Building CXX object test/CMakeFiles/test_xplatform.dir/test_xplatform.cpp.o [31/90] Building CXX object test/CMakeFiles/test_xplatform.dir/main.cpp.o [32/90] Building CXX object test/CMakeFiles/test_xtype_traits.dir/test_xtype_traits.cpp.o In file included from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan.hpp:13, from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xdynamic_bitset.hpp:22, from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/test/test_xdynamic_bitset.cpp:10: /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:554:26: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 554 | span(T (&)[N])->span; | ^ /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:557:35: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 557 | span(std::array&)->span; | ^ /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:560:47: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 560 | span(const std::array&)->span; | ^ [33/90] Building CXX object test/CMakeFiles/test_xtype_traits.dir/main.cpp.o [34/90] Building CXX object test/CMakeFiles/test_xsequence.dir/test_xsequence.cpp.o [35/90] Building CXX object test/CMakeFiles/test_xsequence.dir/main.cpp.o [36/90] Building CXX object test/CMakeFiles/test_xoptional.dir/test_xoptional.cpp.o [37/90] Linking CXX executable test/test_xtl [38/90] Building CXX object test/CMakeFiles/test_xoptional.dir/main.cpp.o [39/90] Linking CXX executable test/test_xvisitor [40/90] Building CXX object test/CMakeFiles/test_xmultimethods.dir/test_xmultimethods.cpp.o [41/90] Linking CXX executable test/test_xsystem [42/90] Building CXX object test/CMakeFiles/test_xmultimethods.dir/main.cpp.o [43/90] Linking CXX executable test/test_xproxy_wrapper [44/90] Building CXX object test/CMakeFiles/test_xmeta_utils.dir/test_xmeta_utils.cpp.o In file included from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan.hpp:13, from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xdynamic_bitset.hpp:22, from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xoptional_sequence.hpp:21, from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/test/test_xoptional.cpp:11: /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:554:26: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 554 | span(T (&)[N])->span; | ^ /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:557:35: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 557 | span(std::array&)->span; | ^ /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:560:47: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 560 | span(const std::array&)->span; | ^ [45/90] Building CXX object test/CMakeFiles/test_xmeta_utils.dir/main.cpp.o [46/90] Building CXX object test/CMakeFiles/test_xmasked_value.dir/test_xmasked_value.cpp.o [47/90] Linking CXX executable test/test_xplatform [48/90] Linking CXX executable test/test_xtype_traits [49/90] Building CXX object test/CMakeFiles/test_xmasked_value.dir/main.cpp.o [50/90] Building CXX object test/CMakeFiles/test_xiterator_base.dir/test_xiterator_base.cpp.o [51/90] Building CXX object test/CMakeFiles/test_xiterator_base.dir/main.cpp.o [52/90] Building CXX object test/CMakeFiles/test_xhierarchy_generator.dir/test_xhierarchy_generator.cpp.o [53/90] Linking CXX executable test/test_xsequence [54/90] Building CXX object test/CMakeFiles/test_xhierarchy_generator.dir/main.cpp.o [55/90] Building CXX object test/CMakeFiles/test_xhash.dir/test_xhash.cpp.o [56/90] Linking CXX executable test/test_xoptional [57/90] Building CXX object test/CMakeFiles/test_xhash.dir/main.cpp.o [58/90] Building CXX object test/CMakeFiles/test_xhalf_float.dir/test_xhalf_float.cpp.o [59/90] Building CXX object test/CMakeFiles/test_xhalf_float.dir/main.cpp.o [60/90] Linking CXX executable test/test_xmultimethods [61/90] Building CXX object test/CMakeFiles/test_xfunctional.dir/test_xfunctional.cpp.o [62/90] Building CXX object test/CMakeFiles/test_xfunctional.dir/main.cpp.o [63/90] Building CXX object test/CMakeFiles/test_xdynamic_bitset.dir/test_xdynamic_bitset.cpp.o [64/90] Linking CXX executable test/test_xmeta_utils [65/90] Building CXX object test/CMakeFiles/test_xdynamic_bitset.dir/main.cpp.o [66/90] Linking CXX executable test/test_xmasked_value [67/90] Building CXX object test/CMakeFiles/test_xclosure.dir/test_xclosure.cpp.o [68/90] Linking CXX executable test/test_xiterator_base [69/90] Building CXX object test/CMakeFiles/test_xclosure.dir/main.cpp.o [70/90] Building CXX object test/CMakeFiles/test_xcomplex_sequence.dir/test_xcomplex_sequence.cpp.o [71/90] Linking CXX executable test/test_xhierarchy_generator [72/90] Building CXX object test/CMakeFiles/test_xcomplex_sequence.dir/main.cpp.o [73/90] Linking CXX executable test/test_xhash [74/90] Building CXX object test/CMakeFiles/test_xcompare.dir/test_xcompare.cpp.o In file included from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan.hpp:13, from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xdynamic_bitset.hpp:22, from /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/test/test_xdynamic_bitset.cpp:10: /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:554:26: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 554 | span(T (&)[N])->span; | ^ /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:557:35: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 557 | span(std::array&)->span; | ^ /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/include/xtl/xspan_impl.hpp:560:47: warning: conversion to 'long int' from 'long unsigned int' may change the sign of the result [-Wsign-conversion] 560 | span(const std::array&)->span; | ^ [75/90] Building CXX object test/CMakeFiles/test_xcompare.dir/main.cpp.o [76/90] Building CXX object test/CMakeFiles/test_xcomplex.dir/test_xcomplex.cpp.o [77/90] Linking CXX executable test/test_xhalf_float [78/90] Building CXX object test/CMakeFiles/test_xcomplex.dir/main.cpp.o [79/90] Building CXX object test/CMakeFiles/test_xbasic_fixed_string.dir/test_xbasic_fixed_string.cpp.o [80/90] Linking CXX executable test/test_xfunctional [81/90] Building CXX object test/CMakeFiles/test_xbasic_fixed_string.dir/main.cpp.o [82/90] Linking CXX executable test/test_xdynamic_bitset [83/90] Building CXX object test/CMakeFiles/test_xbase64.dir/test_xbase64.cpp.o [84/90] Building CXX object test/CMakeFiles/test_xbase64.dir/main.cpp.o [85/90] Linking CXX executable test/test_xclosure [86/90] Linking CXX executable test/test_xcomplex_sequence [87/90] Linking CXX executable test/test_xcompare [88/90] Linking CXX executable test/test_xcomplex [89/90] Linking CXX executable test/test_xbasic_fixed_string [90/90] Linking CXX executable test/test_xbase64 Test project /home/buildozer/aports/testing/xtl/src/xtl-0.8.0/build Start 1: test_xbase64 Start 2: test_xbasic_fixed_string Start 3: test_xcomplex Start 4: test_xcompare Start 5: test_xcomplex_sequence Start 6: test_xclosure Start 7: test_xdynamic_bitset Start 8: test_xfunctional 1/23 Test #1: test_xbase64 ..................... Passed 0.01 sec 2/23 Test #2: test_xbasic_fixed_string ......... Passed 0.01 sec 3/23 Test #3: test_xcomplex .................... Passed 0.01 sec 4/23 Test #4: test_xcompare .................... Passed 0.01 sec 5/23 Test #5: test_xcomplex_sequence ........... Passed 0.01 sec 6/23 Test #6: test_xclosure .................... Passed 0.00 sec 7/23 Test #7: test_xdynamic_bitset ............. Passed 0.00 sec Start 9: test_xhalf_float Start 10: test_xhash Start 11: test_xhierarchy_generator Start 12: test_xiterator_base Start 13: test_xmasked_value Start 14: test_xmeta_utils Start 15: test_xmultimethods 8/23 Test #8: test_xfunctional ................. Passed 0.01 sec 9/23 Test #9: test_xhalf_float ................. Passed 0.01 sec 10/23 Test #11: test_xhierarchy_generator ........ Passed 0.01 sec 11/23 Test #12: test_xiterator_base .............. Passed 0.01 sec 12/23 Test #13: test_xmasked_value ............... Passed 0.00 sec 13/23 Test #14: test_xmeta_utils ................. Passed 0.00 sec Start 16: test_xoptional Start 17: test_xsequence Start 18: test_xtype_traits Start 19: test_xplatform Start 20: test_xproxy_wrapper Start 21: test_xsystem 14/23 Test #15: test_xmultimethods ............... Passed 0.01 sec 15/23 Test #16: test_xoptional ................... Passed 0.01 sec 16/23 Test #17: test_xsequence ................... Passed 0.01 sec 17/23 Test #18: test_xtype_traits ................ Passed 0.01 sec 18/23 Test #19: test_xplatform ................... Passed 0.00 sec 19/23 Test #20: test_xproxy_wrapper .............. Passed 0.00 sec Start 22: test_xvisitor Start 23: xtest 20/23 Test #21: test_xsystem ..................... Passed 0.00 sec 21/23 Test #22: test_xvisitor .................... Passed 0.00 sec 22/23 Test #23: xtest ............................ Passed 7.39 sec 23/23 Test #10: test_xhash ....................... Passed 7.42 sec 100% tests passed, 0 tests failed out of 23 Total Test time (real) = 7.43 sec >>> xtl: Entering fakeroot... -- Install configuration: "MinSizeRel" -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xbasic_fixed_string.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xbase64.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xclosure.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xcompare.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xcomplex.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xcomplex_sequence.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xspan.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xspan_impl.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xdynamic_bitset.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xfunctional.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xhalf_float.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xhalf_float_impl.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xhash.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xhierarchy_generator.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xiterator_base.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xjson.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xmasked_value_meta.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xmasked_value.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xmeta_utils.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xmultimethods.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xoptional_meta.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xoptional.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xoptional_sequence.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xplatform.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xproxy_wrapper.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xsequence.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xsystem.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xtl_config.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xtype_traits.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/include/xtl/xvisitor.hpp -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/share/cmake/xtl/xtlConfig.cmake -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/share/cmake/xtl/xtlConfigVersion.cmake -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/share/cmake/xtl/xtlTargets.cmake -- Installing: /home/buildozer/aports/testing/xtl/pkg/xtl/usr/share/pkgconfig/xtl.pc >>> xtl*: Running postcheck for xtl >>> xtl*: Preparing package xtl... >>> xtl*: Tracing dependencies... pkgconfig >>> xtl*: Package size: 637.6 KB >>> xtl*: Compressing data... >>> xtl*: Create checksum... >>> xtl*: Create xtl-0.8.0-r0.apk >>> xtl: Build complete at Mon, 28 Jul 2025 22:13:20 +0000 elapsed time 0h 0m 32s >>> xtl: Cleaning up srcdir >>> xtl: Cleaning up pkgdir >>> xtl: Uninstalling dependencies... (1/9) Purging .makedepends-xtl (20250728.221249) (2/9) Purging cmake (4.0.3-r0) (3/9) Purging samurai (1.2-r7) (4/9) Purging doctest-dev (2.4.11-r0) (5/9) Purging libarchive (3.8.1-r0) (6/9) Purging libbz2 (1.0.8-r6) (7/9) Purging libuv (1.51.0-r0) (8/9) Purging rhash-libs (1.4.6-r0) (9/9) Purging xz-libs (5.8.1-r0) busybox-1.37.0-r21.trigger: Executing script... OK: 387 MiB in 108 packages >>> xtl: Updating the testing/s390x repository index... >>> xtl: Signing the index...