| #!/usr/bin/env bash |
| |
| set -ex |
| |
| source shared.sh |
| |
| # Try to keep the LLVM version here in sync with src/ci/scripts/install-clang.sh |
| LLVM=llvmorg-18.1.0 |
| |
| mkdir llvm-project |
| cd llvm-project |
| |
| curl -L https://github.com/llvm/llvm-project/archive/$LLVM.tar.gz | \ |
| tar xzf - --strip-components=1 |
| |
| mkdir clang-build |
| cd clang-build |
| |
| # For whatever reason the default set of include paths for clang is different |
| # than that of gcc. As a result we need to manually include our sysroot's |
| # include path, /rustroot/include, to clang's default include path. |
| INC="/rustroot/include:/usr/include" |
| |
| # We need compiler-rt for the profile runtime (used later to PGO the LLVM build) |
| # but sanitizers aren't currently building. Since we don't need those, just |
| # disable them. BOLT is used for optimizing LLVM. |
| hide_output \ |
| cmake ../llvm \ |
| -DCMAKE_C_COMPILER=/rustroot/bin/gcc \ |
| -DCMAKE_CXX_COMPILER=/rustroot/bin/g++ \ |
| -DCMAKE_BUILD_TYPE=Release \ |
| -DCMAKE_INSTALL_PREFIX=/rustroot \ |
| -DCOMPILER_RT_BUILD_SANITIZERS=OFF \ |
| -DCOMPILER_RT_BUILD_XRAY=OFF \ |
| -DCOMPILER_RT_BUILD_MEMPROF=OFF \ |
| -DLLVM_TARGETS_TO_BUILD=X86 \ |
| -DLLVM_INCLUDE_BENCHMARKS=OFF \ |
| -DLLVM_INCLUDE_TESTS=OFF \ |
| -DLLVM_INCLUDE_EXAMPLES=OFF \ |
| -DLLVM_ENABLE_PROJECTS="clang;lld;compiler-rt;bolt" \ |
| -DC_INCLUDE_DIRS="$INC" |
| |
| hide_output make -j$(nproc) |
| hide_output make install |
| |
| cd ../.. |
| rm -rf llvm-project |
