src/ci/docker/host-x86_64/dist-x86_64-linux/build-clang.sh

   1 #!/usr/bin/env bash
   2
   3 set -ex
   4
   5 source shared.sh
   6
   7 LLVM=llvmorg-14.0.2
   8
   9 mkdir llvm-project
  10 cd llvm-project
  11
  12 curl -L https://github.com/llvm/llvm-project/archive/$LLVM.tar.gz | \
  13   tar xzf - --strip-components=1
  14
  15 mkdir clang-build
  16 cd clang-build
  17
  18 # For whatever reason the default set of include paths for clang is different
  19 # than that of gcc. As a result we need to manually include our sysroot's
  20 # include path, /rustroot/include, to clang's default include path.
  21 INC="/rustroot/include:/usr/include"
  22
  23 # We need compiler-rt for the profile runtime (used later to PGO the LLVM build)
  24 # but sanitizers aren't currently building. Since we don't need those, just
  25 # disable them.
  26 hide_output \
  27     cmake ../llvm \
  28       -DCMAKE_C_COMPILER=/rustroot/bin/gcc \
  29       -DCMAKE_CXX_COMPILER=/rustroot/bin/g++ \
  30       -DCMAKE_BUILD_TYPE=Release \
  31       -DCMAKE_INSTALL_PREFIX=/rustroot \
  32       -DCOMPILER_RT_BUILD_SANITIZERS=OFF \
  33       -DCOMPILER_RT_BUILD_XRAY=OFF \
  34       -DCOMPILER_RT_BUILD_MEMPROF=OFF \
  35       -DLLVM_TARGETS_TO_BUILD=X86 \
  36       -DLLVM_INCLUDE_BENCHMARKS=OFF \
  37       -DLLVM_INCLUDE_TESTS=OFF \
  38       -DLLVM_INCLUDE_EXAMPLES=OFF \
  39       -DLLVM_ENABLE_PROJECTS="clang;lld;compiler-rt" \
  40       -DC_INCLUDE_DIRS="$INC"
  41
  42 hide_output make -j$(nproc)
  43 hide_output make install
  44
  45 cd ../..
  46 rm -rf llvm-project