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[CI] Update Windows testing to use clang compiler. #162026

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[CI] Update Windows testing to use clang compiler. #162026

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e5106e4
[CI] Update Windows testing to use clang compiler.
cmtice Oct 5, 2025
cc89d8c
Try to find clang compiler.
cmtice Oct 5, 2025
f724bfe
Attempt to download the clang tarball.
cmtice Oct 6, 2025
120878d
Decompress and unpack the clang tarball.
cmtice Oct 6, 2025
d69c6af
Try an alternate decompression technique.
cmtice Oct 6, 2025
f21ebc0
Download xz tool.
cmtice Oct 6, 2025
282556e
Update to use downloaded xz utility.
cmtice Oct 6, 2025
77d1d0f
Update to use downloaded clang-cl for testing.
cmtice Oct 6, 2025
3062354
Update to use cl compiler, for timing data.
cmtice Oct 6, 2025
73290c1
Update to use clang; more timing data.
cmtice Oct 6, 2025
d939d15
Merge remote-tracking branch 'origin/main' into windows-timing
cmtice Oct 7, 2025
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22 changes: 20 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 +23,26 @@ runtimes_targets="${4}"
start-group "CMake"
pip install -q -r "${MONOREPO_ROOT}"/.ci/all_requirements.txt

export CC=cl
export CXX=cl

mkdir /tmp/xz-download
pushd /tmp/xz-download
curl -L -o xz-5.8.1-windows.zip http://github.com/tukaani-project/xz/releases/download/v5.8.1/xz-5.8.1-windows.zip
unzip xz-5.8.1-windows.zip
ls -l /tmp/xz-download/bin_x86-64/xz.exe
popd

mkdir /tmp/clang-download
pushd /tmp/clang-download
curl -L -o "clang+llvm-21.1.2-x86_64-pc-windows-msvc.tar.xz" http://github.com/llvm/llvm-project/releases/download/llvmorg-21.1.2/clang+llvm-21.1.2-x86_64-pc-windows-msvc.tar.xz
ls -l "clang+llvm-21.1.2-x86_64-pc-windows-msvc.tar.xz"
/tmp/xz-download/bin_x86-64/xz.exe -d -qq "clang+llvm-21.1.2-x86_64-pc-windows-msvc.tar.xz"
tar xf "clang+llvm-21.1.2-x86_64-pc-windows-msvc.tar"
ls -l /tmp/clang-download/clang+llvm-21.1.2-x86_64-pc-windows-msvc/bin/clang-cl.exe



export CC=/tmp/clang-download/clang+llvm-21.1.2-x86_64-pc-windows-msvc/bin/clang-cl.exe
export CXX=/tmp/clang-download/clang+llvm-21.1.2-x86_64-pc-windows-msvc/bin/clang-cl.exe
export LD=link

# The CMAKE_*_LINKER_FLAGS to disable the manifest come from research
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