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openblas: Use less aggressive optimization with GCC-12. #12872

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merged 2 commits into from
Sep 1, 2022
Merged

openblas: Use less aggressive optimization with GCC-12. #12872

merged 2 commits into from
Sep 1, 2022

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mmuetzel
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LABPBS
LABPBS reviewed Aug 29, 2022
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@mmuetzel
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IIUC, it was an unexpected side effect that OpenBLAS is compiled with optimization level -O3 instead of -O2 when the build rules switched from make to cmake.
Given that, I updated the PR again to revert to building with -O2 for all environments.

@mmuetzel
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I installed the MINGW64 build artifact from this PR. With it, the example program from #12857 no longer crashes.

@lazka
openblas: also link our issue
07e741e 
so we can try to reproduce and revert this in the future
@lazka lazka merged commit 31b565a into msys2:master Sep 1, 2022
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Segmentation fault with mingw-w64-x86_64-openblas package
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@mmuetzel @LABPBS @lazka