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27 lines
1.0 KiB
Bash
Executable File
27 lines
1.0 KiB
Bash
Executable File
# Reference
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# https://stackoverflow.com/questions/56454026/building-libc-with-memorysanitizer-instrumentation-fails-due-to-memorysanitize
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git clone --depth=1 https://github.com/llvm/llvm-project -b llvmorg-19.1.0
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dist_dir=llvm_project_msan_dist
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libcxx_build_dir=libcxx_msan
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libc_build_dir=libc_msan
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rm -rf ${build_dir}
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mkdir -p ${build_dir}
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#
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# Assume clang(17 or later required) is installed on your system.
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#
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CXX=clang++-18 CC=clang-18 cmake -G Ninja -DCMAKE_INSTALL_PREFIX=${dist_dir} -B ${libcxx_build_dir} -S llvm-project/runtimes/ -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" -DLLVM_USE_SANITIZER=MemoryWithOrigins -DCMAKE_BUILD_TYPE=Release && \
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ninja -C ${libcxx_build_dir} && \
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ninja -C ${libcxx_build_dir} install
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#
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# TODO: build libc without msan
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#
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#CXX=clang++-18 CC=clang-18 cmake -G Ninja -DCMAKE_INSTALL_PREFIX=${dist_dir} -B ${libc_build_dir} -S llvm-project/runtimes/ -DLLVM_ENABLE_RUNTIMES="libc" -DCMAKE_BUILD_TYPE=Release && \
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#ninja -C ${libc_build_dir} && \
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#ninja -C ${libc_build_dir} install
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