Fix Windows CUDA build compatibility with newest MSVC #1276
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Titus-von-Koeller
approved these changes
Jul 15, 2024
Titus-von-Koeller
merged commit 6948f0b
into
bitsandbytes-foundation:main
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Perfect, @matthewdouglas, looking good! Thanks a lot for handling this ❤️ |
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A recent update to CI build image for Windows has broken the Windows CUDA builds. This is because the latest version of the Visual Studio compiler is version is v1940 [1]. For CUDA versions below 12.4, the check that
nvccuses for support is to only allow up to v193x [2]. The intent of that check is to support up to VS2022.There's a change in CMake 3.29.4 for this when using the VS generator [3], but this PR will work around this in a similar way for older CMake versions and when using ninja.
cc: @Titus-von-Koeller
References
[1] https://devblogs.microsoft.com/cppblog/msvc-toolset-minor-version-number-14-40-in-vs-2022-v17-10/
[2] pytorch/vision#8492
[3] https://gitlab.kitware.com/cmake/cmake/-/issues/26003