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We don't have some patches in LLVMBootstrap that msys2 does #11049

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Zentrik opened this issue Apr 20, 2025 · 0 comments
Open

We don't have some patches in LLVMBootstrap that msys2 does #11049

Zentrik opened this issue Apr 20, 2025 · 0 comments

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@Zentrik
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Zentrik commented Apr 20, 2025 •
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Not sure if this is an actual issue, but e.g. msys2 has a patch to make clang use emulated tls instead of native tls (to match gcc), https://github.com/msys2/MINGW-packages/blob/master/mingw-w64-llvm/0004-enable-emutls-for-mingw.patch. We had this patch for v16, 17 but dropped it in 18. I imagine this doesn't matter currently because we disable tls in libstdc++(#5761)

There is also a patch to link against pthread by default, https://github.com/msys2/MINGW-packages/blob/master/mingw-w64-llvm/0101-link-pthread-with-mingw.patch, and one that sets it as a system lib (not sure what that does).
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