.github/workflows/macos.yml

name: MacOS

on: [push, pull_request]

jobs:
  macos-gcc:
    #runs-on: macos-latest
    runs-on: macos-11 # temporary, macos-latest only supports gcc-12
    strategy:
      matrix:
        VER: [9, 10, 11]
        EXT: [ON, OFF]
        GEN: [Xcode, Ninja Multi-Config]
        STD: [99, 11] # 90 results in errors

    steps:
    - name: Checkout OpenCL-ICD-Loader
      uses: actions/checkout@v3

    - name: Checkout OpenCL-Headers
      uses: actions/checkout@v3
      with:
        repository: KhronosGroup/OpenCL-Headers
        path: external/OpenCL-Headers

    - name: Create Build Environment
      run: |
        cmake -E make_directory $GITHUB_WORKSPACE/build;
        cmake -E make_directory $GITHUB_WORKSPACE/install;
        if [[ "${{matrix.GEN}}" == "Ninja Multi-Config" && ! `which ninja` ]]; then brew install ninja; fi;
        # Install Ninja only if it's the selected generator and it's not available.

    - name: Build & install OpenCL-Headers
      run: cmake
        -G "${{matrix.GEN}}"
        -D CMAKE_C_FLAGS="-w"
        -D CMAKE_C_COMPILER=/usr/local/bin/gcc-${{matrix.VER}}
        -D CMAKE_C_STANDARD=${{matrix.STD}}
        -D CMAKE_C_EXTENSIONS=${{matrix.EXT}}
        -D CMAKE_INSTALL_PREFIX=$GITHUB_WORKSPACE/external/OpenCL-Headers/install
        -S $GITHUB_WORKSPACE/external/OpenCL-Headers
        -B $GITHUB_WORKSPACE/external/OpenCL-Headers/build &&
        cmake
        --build $GITHUB_WORKSPACE/external/OpenCL-Headers/build
        --target install
        --config Release
        --parallel `sysctl -n hw.logicalcpu`

    - name: Configure CMake
      # no -Werror during configuration because:
      # warning: ISO C forbids assignment between function pointer and ‘void *’ [-Wpedantic]
      # warning: unused parameter [-Wunused-parameter]
      shell: bash
      run: cmake
        -G "${{matrix.GEN}}"
        -D BUILD_TESTING=ON
        -D CMAKE_C_FLAGS="-Wall -Wextra -pedantic -Wno-format"
        -D CMAKE_C_COMPILER=/usr/local/bin/gcc-${{matrix.VER}}
        -D CMAKE_C_STANDARD=${{matrix.STD}}
        -D CMAKE_C_EXTENSIONS=${{matrix.EXT}}
        -D CMAKE_INSTALL_PREFIX=$GITHUB_WORKSPACE/install
        -D CMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/external/OpenCL-Headers/install
        -S $GITHUB_WORKSPACE
        -B $GITHUB_WORKSPACE/build

    - name: Build (Xcode)
      if: matrix.GEN == 'Xcode'
      shell: bash
      run: |
        cmake --build $GITHUB_WORKSPACE/build --config Release --parallel `sysctl -n hw.logicalcpu`
        cmake --build $GITHUB_WORKSPACE/build --config Debug --parallel `sysctl -n hw.logicalcpu`

    - name: Build (Ninja)
      if: matrix.GEN == 'Ninja Multi-Config'
      shell: bash
      run: |
        cmake --build $GITHUB_WORKSPACE/build --config Release --parallel `sysctl -n hw.logicalcpu`
        cmake --build $GITHUB_WORKSPACE/build --config Debug --parallel `sysctl -n hw.logicalcpu`

    - name: Test
      working-directory: ${{runner.workspace}}/OpenCL-ICD-Loader/build
      shell: bash
      run: |
        ctest -C Release --output-on-failure --parallel `sysctl -n hw.logicalcpu`
        ctest -C Debug --output-on-failure --parallel `sysctl -n hw.logicalcpu`

    - name: Install (Xcode)
      if: matrix.GEN == 'Xcode'
      shell: bash
      run: |
        cmake --build $GITHUB_WORKSPACE/build --config Release --target install

    - name: Install (Ninja)
      if: matrix.GEN == 'Ninja Multi-Config'
      shell: bash
      run: |
        cmake --build $GITHUB_WORKSPACE/build --config Release --target install

    - name: Test pkg-config --cflags
      shell: bash
      run: PKG_CONFIG_PATH="$GITHUB_WORKSPACE/install/lib/pkgconfig:$GITHUB_WORKSPACE/external/OpenCL-Headers/install/lib/pkgconfig" pkg-config OpenCL --cflags | grep -q "\-I$GITHUB_WORKSPACE/external/OpenCL-Headers/install/include"

    - name: Test pkg-config --libs
      shell: bash
      run: PKG_CONFIG_PATH="$GITHUB_WORKSPACE/install/lib/pkgconfig:$GITHUB_WORKSPACE/external/OpenCL-Headers/install/lib/pkgconfig" pkg-config OpenCL --libs | grep -q "\-L$GITHUB_WORKSPACE/install/lib -lOpenCL"

    - name: Consume pkg-config
      shell: bash
      run: PKG_CONFIG_PATH="$GITHUB_WORKSPACE/install/lib/pkgconfig:$GITHUB_WORKSPACE/external/OpenCL-Headers/install/lib/pkgconfig" cmake
        -G "${{matrix.GEN}}"
        -D CMAKE_C_FLAGS="-Wall -Wextra -pedantic -Wno-format"
        -D CMAKE_C_COMPILER=/usr/local/bin/gcc-${{matrix.VER}}
        -D CMAKE_C_STANDARD=${{matrix.STD}}
        -D CMAKE_C_EXTENSIONS=${{matrix.EXT}}
        -D DRIVER_STUB_PATH=$GITHUB_WORKSPACE/build/Release/libOpenCLDriverStub.dylib
        -B $GITHUB_WORKSPACE/build/downstream/pkgconfig
        -S $GITHUB_WORKSPACE/test/pkgconfig/pkgconfig;
        cmake --build $GITHUB_WORKSPACE/build/downstream/pkgconfig --config Release;
        cmake --build $GITHUB_WORKSPACE/build/downstream/pkgconfig --config Debug;
        cd $GITHUB_WORKSPACE/build/downstream/pkgconfig;
        ctest --output-on-failure -C Release
        ctest --output-on-failure -C Debug