libclang-linux-aarch64.yml

name: libclang-linux-aarch64

on: [push, pull_request]

env:
  LLVM_VER: 18.1.1

concurrency:
  group: ${{ github.repository }}-${{ github.head_ref || github.sha }}-${{ github.workflow }}
  cancel-in-progress: true

jobs:
  build-and-deploy:
    if: "!contains(github.event.head_commit.message, 'skip ci')"
    runs-on: ubuntu-20.04
    steps:
    - uses: actions/checkout@v4
    - name: free disk spaces
      run: |
        ./.github/free-disk-space.sh || true
    - uses: actions/setup-python@v5
      with:
        python-version: '3.10'
    - name: install wheel dependencies
      run: |
        pip3 install wheel
    - name: get llvm-project
      run: |
        wget -q https://github.com/llvm/llvm-project/releases/download/llvmorg-$LLVM_VER/llvm-project-$LLVM_VER.src.tar.xz
        tar xf llvm-project-$LLVM_VER.src.tar.xz
        mv llvm-project-$LLVM_VER.src llvm-project-$LLVM_VER
    - name: install cross compilation toolchain
      run: |
        sudo apt-get update
        sudo apt-get install -y \
          binutils-aarch64-linux-gnu \
          gcc-8 \
          g++-8 \
          gcc-8-aarch64-linux-gnu \
          g++-8-aarch64-linux-gnu
    - name: build host llvmtblgen/clangtblgen
      run: |
        mkdir llvm-project-$LLVM_VER/build-host
        cd llvm-project-$LLVM_VER/build-host
        cmake ../llvm \
          -DLLVM_ENABLE_PROJECTS=clang \
          -DBUILD_SHARED_LIBS=OFF \
          -DLLVM_ENABLE_ZLIB=OFF \
          -DLLVM_ENABLE_ZSTD=OFF \
          -DLLVM_ENABLE_TERMINFO=OFF \
          -DLLVM_TARGETS_TO_BUILD=X86 \
          -DCMAKE_BUILD_TYPE=RelWithDebInfo \
          -DCMAKE_CXX_FLAGS_RELWITHDEBINFO="-O2 -g -DNDEBUG -static-libgcc -static-libstdc++" \
          -DCMAKE_C_COMPILER=gcc-8 \
          -DCMAKE_CXX_COMPILER=g++-8
        make clang-tblgen llvm-tblgen -j$(nproc)

        # copy the artifacts to an absolute path
        sudo cp ./bin/* /usr/bin/
    - name: make build directory
      run: mkdir -p llvm-project-$LLVM_VER/build
    - name: cmake
      run: |
        cd llvm-project-$LLVM_VER/build
        cmake ../llvm \
          -DLLVM_ENABLE_PROJECTS=clang \
          -DBUILD_SHARED_LIBS=OFF \
          -DLLVM_ENABLE_ZLIB=OFF \
          -DLLVM_ENABLE_ZSTD=OFF \
          -DLLVM_ENABLE_TERMINFO=OFF \
          -DCMAKE_SYSTEM_NAME=Linux \
          -DLLVM_DEFAULT_TARGET_TRIPLE=aarch64-linux-gnu \
          -DLLVM_TARGET_ARCH=AArch64 \
          -DLLVM_TARGETS_TO_BUILD=AArch64 \
          -DLLVM_TABLEGEN=/usr/bin/llvm-tblgen \
          -DCLANG_TABLEGEN=/usr/bin/clang-tblgen \
          -DCMAKE_BUILD_TYPE=RelWithDebInfo \
          -DCMAKE_CXX_FLAGS_RELWITHDEBINFO="-O2 -g -DNDEBUG -static-libgcc -static-libstdc++" \
          -DCMAKE_C_FLAGS="-include $(realpath ../../force_glibc_2_17.h)" \
          -DCMAKE_CXX_FLAGS="-include $(realpath ../../force_glibc_2_17.h)" \
          -DCMAKE_EXE_LINKER_FLAGS="-lm" \
          -DCMAKE_SHARED_LINKER_FLAGS="-lm" \
          -DCMAKE_C_COMPILER=aarch64-linux-gnu-gcc-8 \
          -DCMAKE_CXX_COMPILER=aarch64-linux-gnu-g++-8
    - name: build
      run: |
        cd llvm-project-$LLVM_VER/build
        make libclang -j$(nproc)
        aarch64-linux-gnu-strip lib/libclang.so
    - name: print dependencies
      run: |
        du -csh $(realpath llvm-project-$LLVM_VER/build/lib/libclang.so)
        file $(realpath llvm-project-$LLVM_VER/build/lib/libclang.so)
        strings llvm-project-$LLVM_VER/build/lib/libclang.so | grep GLIBC
        nm --dynamic --undefined-only --with-symbol-versions llvm-project-$LLVM_VER/build/lib/libclang.so
    - name: create and print sha512sum
      run: |
        cd llvm-project-$LLVM_VER/build/lib
        sha512sum libclang.so > libclang.so.$LLVM_VER.linux-aarch64.sha512sum
        echo "Checksum is: "
        cat libclang.so.$LLVM_VER.linux-aarch64.sha512sum
        tar zcvfh libclang.so.$LLVM_VER.linux-aarch64.tar.gz libclang.so libclang.so.$LLVM_VER.linux-aarch64.sha512sum
        shasum -a512 libclang.so.$LLVM_VER.linux-aarch64.tar.gz
    - uses: actions/upload-artifact@v4
      with:
        name: libclang.so.${{env.LLVM_VER}}.linux-aarch64.tar.gz
        path: llvm-project-${{env.LLVM_VER}}/build/lib/libclang.so.${{env.LLVM_VER}}.linux-aarch64.tar.gz
    - name: generate wheel package
      run: |
        cp llvm-project-$LLVM_VER/build/lib/libclang.so native/
        python3 setup_ext.py bdist_wheel --universal --plat-name=manylinux2014_aarch64
    - uses: actions/upload-artifact@v4
      with:
        name: wheel-${{env.LLVM_VER}}-manylinux2014_aarch64
        path: dist/*.whl
    - name: Publish to PyPI
      if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
      uses: pypa/gh-action-pypi-publish@release/v1
      with:
        packages_dir: dist/
        password: ${{ secrets.PYPI_TOKEN }}
        verbose: true
        print_hash: true