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ci: run tests under gdb on Linux#15362

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madebr merged 3 commits intolibsdl-org:mainfrom
madebr:ci-under-gdb
Apr 11, 2026
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ci: run tests under gdb on Linux#15362
madebr merged 3 commits intolibsdl-org:mainfrom
madebr:ci-under-gdb

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@madebr madebr commented Apr 10, 2026

  • By running them under the gdb debugger, a stacktrace can be printed when a fatal signal is emitted.
  • The pr also contains a commit adding the possibility to override ctest arguments. This is useful to stress test a particular test.
    Example: adding [sdl-ci-ctest-arg --repeat until-fail:400000 -VV -R torturethread -j2] to your commit message will repeat torturethead maximum 400000 times until it fails. This argument should be combined with [sdl-ci-filter X] to limit the number of jobs that are started.

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madebr commented Apr 10, 2026 •
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For a reason unknown to me, the Steam Linux Runtime 3.0 (x86_64 and arm64) jobs fail to find gdb.

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madebr commented Apr 10, 2026

Also, can somebody test whether -DSDLTEST_GDB=ON also works on Apple? Add an abort() somewhere in SDL's code and check whether ctest -V -R <test-name> prints a backtrace.

@madebr madebr merged commit 4ab8ecf into libsdl-org:main Apr 11, 2026
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@madebr madebr deleted the ci-under-gdb branch April 11, 2026 02:12
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