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[CI] Update Windows premerge testing to use clang-cl.exe #164900

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Merged
merged 4 commits into from
Oct 24, 2025
Merged

[CI] Update Windows premerge testing to use clang-cl.exe #164900

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a054f52
[CI] Update Windows premerge testing to use clang-cl.exe
cmtice Oct 23, 2025
7301810
Remove extra blank line.
cmtice Oct 23, 2025
6b59501
Change backslashes to forward slashes in clang path name.
cmtice Oct 23, 2025
ba2766f
Disable -Wunsafe-buffer-usage and -Wold-style-cast, too.
cmtice Oct 24, 2025
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5 changes: 3 additions & 2 deletions .ci/monolithic-windows.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -23,8 +23,8 @@ runtimes_targets="${4}"
start-group "CMake"
pip install -q -r "${MONOREPO_ROOT}"/.ci/all_requirements.txt

export CC=cl
export CXX=cl
export CC=C:/clang/clang-msvc/bin/clang-cl.exe
export CXX=C:/clang/clang-msvc/bin/clang-cl.exe
export LD=link

# The CMAKE_*_LINKER_FLAGS to disable the manifest come from research
Expand All @@ -49,6 +49,7 @@ cmake -S "${MONOREPO_ROOT}"/llvm -B "${BUILD_DIR}" \
-D CMAKE_EXE_LINKER_FLAGS="/MANIFEST:NO" \
-D CMAKE_MODULE_LINKER_FLAGS="/MANIFEST:NO" \
-D CMAKE_SHARED_LINKER_FLAGS="/MANIFEST:NO" \
-D CMAKE_CXX_FLAGS="-Wno-c++98-compat -Wno-c++14-compat -Wno-unsafe-buffer-usage -Wno-old-style-cast" \
-D LLVM_ENABLE_RUNTIMES="${runtimes}"

start-group "ninja"
Expand Down