On ‘core-updates-frozen’, CMake has one test failure on i686-linux when building on berlin (e.g., <https://ci.guix.gnu.org/build/790602/log/raw>):
--8<---------------cut here---------------start------------->8--- 545/558 Test #518: RunCMake.CPack_TXZ ................................***Failed 3.79 sec -- MINIMAL-MONOLITHIC-type - PASSED -- TXZ/MINIMAL-MONOLITHIC-type - PASSED -- MINIMAL-COMPONENT-type - PASSED -- TXZ/MINIMAL-COMPONENT-type - PASSED -- MINIMAL-package-target-MONOLITHIC-type - PASSED -- TXZ/MINIMAL-package-target-MONOLITHIC-type - PASSED -- MINIMAL-package-target-COMPONENT-type - PASSED -- TXZ/MINIMAL-package-target-COMPONENT-type - PASSED -- THREADED_ALL-package-target-MONOLITHIC-type - PASSED CMake Error at RunCMake.cmake:201 (message): TXZ/THREADED_ALL-package-target-MONOLITHIC-type - FAILED: Result is [1], not [0]. stderr does not match that expected. Command was: command> "/tmp/guix-build-cmake-bootstrap-3.20.2.drv-0/cmake-3.20.2/bin/cmake" "-DRunCMake_TEST=THREADED_ALL-package-target-MONOLITHIC-type" "-DRunCMake_TEST_FILE_PREFIX=THREADED_ALL" "-DRunCMake_SUBTEST_SUFFIX=" "-DGENERATOR_TYPE=TXZ" "-DPACKAGING_TYPE=MONOLITHIC" "-Dsrc_dir=/tmp/guix-build-cmake-bootstrap-3.20.2.drv-0/cmake-3.20.2/Tests/RunCMake/CPack" "-Dbin_dir=/tmp/guix-build-cmake-bootstrap-3.20.2.drv-0/cmake-3.20.2/Tests/RunCMake/TXZ/CPack/THREADED_ALL-package-target-build" "-Dconfig_file=/tmp/guix-build-cmake-bootstrap-3.20.2.drv-0/cmake-3.20.2/Tests/RunCMake/CPack/conf/TXZ_config.cmake" "-P" "/tmp/guix-build-cmake-bootstrap-3.20.2.drv-0/cmake-3.20.2/Tests/RunCMake/CPack/VerifyResult.cmake" Actual stdout: actual-out> Expected stderr to match: expect-err> ^$ Actual stderr: actual-err> CMake Error at /tmp/guix-build-cmake-bootstrap-3.20.2.drv-0/cmake-3.20.2/Tests/RunCMake/CPack/VerifyResult.cmake:88 (message): actual-err> Found more than one file for file No. '1'! Found files count '0'. Files: actual-err> '' Globbing expression: 'threaded_all-0.1.1-*.tar.xz' actual-err> actual-err> CPack output: 'make[1]: Entering directory actual-err> '/tmp/guix-build-cmake-bootstrap-3.20.2.drv-0/cmake-3.20.2/Tests/RunCMake/TXZ/CPack/THREADED_ALL-package-target-build' actual-err> actual-err> actual-err> Run CPack packaging tool... actual-err> actual-err> CPack: Create package using TXZ actual-err> actual-err> CPack: Install projects actual-err> actual-err> CPack: - Run preinstall target for: actual-err> THREADED_ALL-package-target-MONOLITHIC-type actual-err> actual-err> CPack: - Install project: THREADED_ALL-package-target-MONOLITHIC-type [] actual-err> actual-err> CPack: Create package actual-err> actual-err> make[1]: Leaving directory actual-err> '/tmp/guix-build-cmake-bootstrap-3.20.2.drv-0/cmake-3.20.2/Tests/RunCMake/TXZ/CPack/THREADED_ALL-package-target-build' actual-err> actual-err> actual-err> ' actual-err> actual-err> CPack error: 'CPack Error: Problem to open archive actual-err> </tmp/guix-build-cmake-bootstrap-3.20.2.drv-0/cmake-3.20.2/Tests/RunCMake/TXZ/CPack/THREADED_ALL-package-target-build/_CPack_Packages/Linux/TXZ/threaded_all-0.1.1-Linux.tar.xz>, actual-err> ERROR = archive_write_open: Internal error initializing compression actual-err> library: Cannot allocate memory actual-err> actual-err> CPack Error: Problem compressing the directory actual-err> actual-err> CPack Error: Error when generating package: threaded_all actual-err> actual-err> make[1]: *** [Makefile:146: package] Error 1 actual-err> actual-err> '; actual-err> actual-err> CPack result: ''; actual-err> actual-err> config file: '' Call Stack (most recent call first): RunCMake.cmake:215 (run_cmake) CPack/CPackTestHelpers.cmake:119 (run_cmake_command) CPack/CPackTestHelpers.cmake:143 (run_cpack_test_common_) CPack/RunCMakeTest.cmake:24 (run_cpack_test_package_target) --8<---------------cut here---------------end--------------->8--- I cannot reproduce it on hardware with 32 cores. I suspect it has to do with the number of threads used for xz compression, which defaults to the number of cores, and some of the build machines on berlin have way more cores. Ludo’.