ci.yml

name: CI
on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
env:
  UBSAN_OPTIONS: print_stacktrace=1:halt_on_error=1
jobs:
  build-clang:
    strategy:
      matrix:
        target:
        # Disable PCH for the default configuration. This prevents relying on implicit includes.
        - '-DCMAKE_DISABLE_PRECOMPILE_HEADERS=On'
        - '-DMOLD_USE_ASAN=On'
        - '-DMOLD_USE_TSAN=On'
    runs-on: ubuntu-20.04
    steps:
    - uses: actions/checkout@v3
    - uses: rui314/setup-mold@staging
    - name: install-build-deps
      run: sudo ./install-build-deps.sh update
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1
    - name: build and test
      run: |
        echo "/usr/lib/ccache:/usr/local/opt/ccache/libexec" >> $GITHUB_PATH
        sudo apt-get install -y clang++-12
        mkdir build
        cd build
        cmake -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++-12 ${{ matrix.target }} ..
        cmake --build . -j$(nproc)
        ctest . -j$(nproc)
    - name: archive test results
      uses: actions/upload-artifact@v3
      if: failure()
      with:
        name: test-results-clang
        path: |
          build/out
          build/Testing

  build-gcc:
    runs-on: ubuntu-20.04
    container: gcc:11.1.0
    steps:
    - uses: actions/checkout@v3
    - name: install-build-deps
      run: |
        # Install cross toolchains
        dpkg --add-architecture i386
        ./install-build-deps.sh update
        apt-get install -y sudo qemu-user gdb zstd dwarfdump xz-utils {gcc,g++}-10-{i686,aarch64,riscv64,powerpc,powerpc64,powerpc64le,s390x,sparc64,m68k,sh4,alpha}-linux-gnu {gcc,g++}-10-arm-linux-gnueabihf

        for i in {i686,aarch64,riscv64,powerpc,powerpc64,powerpc64le,s390x,sparc64,m68k,sh4,alpha}-linux-gnu arm-linux-gnueabihf; do
          ln -sf /usr/bin/$i-gcc-10 /usr/bin/$i-gcc
          ln -sf /usr/bin/$i-g++-10 /usr/bin/$i-g++
        done

        # Install a RV32 toolchain from third party since it's not available
        # as an Ubuntu package.
        mkdir /usr/local/rv32
        wget -O- -q https://github.com/riscv-collab/riscv-gnu-toolchain/releases/download/2023.07.07/riscv32-glibc-ubuntu-20.04-gcc-nightly-2023.07.07-nightly.tar.gz | tar -C /usr/local/rv32 --strip-components=1 -xzf -

        ln -sf /usr/local/rv32/sysroot /usr/riscv32-linux-gnu
        echo '/usr/local/rv32/bin/riscv32-unknown-linux-gnu-gcc -L/usr/riscv32-linux-gnu "$@"' > /usr/bin/riscv32-linux-gnu-gcc
        echo '/usr/local/rv32/bin/riscv32-unknown-linux-gnu-g++ -L/usr/riscv32-linux-gnu "$@"' > /usr/bin/riscv32-linux-gnu-g++
        chmod 755 /usr/bin/riscv32-linux-gnu-{gcc,g++}

        for i in objdump objcopy strip; do
          ln -sf /usr/local/rv32/bin/riscv32-unknown-linux-gnu-$i /usr/bin/riscv32-linux-gnu-$i
        done

        # Install a LoongArch toolchain
        mkdir /usr/local/larch
        wget -O- -q https://github.com/loongson/build-tools/releases/download/2023.08.08/CLFS-loongarch64-8.1-x86_64-cross-tools-gcc-glibc.tar.xz | tar -C /usr/local/larch --strip-components=1 --xz -xf -

        ln -sf /usr/local/larch/target /usr/loongarch64-linux-gnu
        cp -r /usr/local/larch/loongarch64-unknown-linux-gnu/lib/* /usr/loongarch64-linux-gnu/lib64/

        for i in objdump objcopy strip; do
          ln -sf /usr/local/larch/bin/loongarch64-unknown-linux-gnu-$i /usr/bin/loongarch64-linux-gnu-$i
        done

        echo '/usr/local/larch/bin/loongarch64-unknown-linux-gnu-gcc -L/usr/local/larch/loongarch64-unknown-linux-gnu "$@"' > /usr/bin/loongarch64-linux-gnu-gcc
        echo '/usr/local/larch/bin/loongarch64-unknown-linux-gnu-g++ -L/usr/local/larch/loongarch64-unknown-linux-gnu "$@"' > /usr/bin/loongarch64-linux-gnu-g++
        chmod 755 /usr/bin/loongarch64-linux-gnu-{gcc,g++}

        wget -O/usr/local/bin/qemu-loongarch64 -q https://github.com/loongson/build-tools/releases/download/2023.08.08/qemu-loongarch64
        chmod 755 /usr/local/bin/qemu-loongarch64

      shell: bash
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1
    - name: build and test
      run: |
        echo "/usr/lib/ccache:/usr/local/opt/ccache/libexec" >> $GITHUB_PATH
        mkdir build
        cd build
        cmake ..
        cmake --build . -j$(nproc)
        ctest . -j$(nproc)
    - name: archive test results
      uses: actions/upload-artifact@v3
      if: failure()
      with:
        name: test-results-gcc
        path: |
          build/out
          build/Testing

  build-macos:
    runs-on: macos-11
    strategy:
      matrix:
        target:
        # Disable PCH for the default configuration. This prevents relying on implicit includes.
        - '-DCMAKE_DISABLE_PRECOMPILE_HEADERS=On'
        - '-DMOLD_USE_ASAN=On'
    steps:
    - uses: actions/checkout@v3
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1
    - name: build and test
      run: |
        echo "/usr/lib/ccache:/usr/local/opt/ccache/libexec" >> $GITHUB_PATH
        mkdir build
        cd build
        cmake ${{ matrix.target }} ..
        cmake --build . -j$(sysctl -n hw.physicalcpu)

  build-windows:
    runs-on: windows-latest
    steps:
    - uses: actions/checkout@v3
    - name: build
      run: |
        mkdir build
        cd build
        cmake -T clangcl ..
        cmake --build . -j $Env:NUMBER_OF_PROCESSORS