name: CMake

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        build_type: [Release, Debug]
        os: [macos-latest, ubuntu-latest, windows-latest]
        CC: [clang, gcc, cl]
        gcc_version: [latest, 11]
        exclude:
          # macos+clang only
          - os: macos-latest
            CC: gcc
          - os: macos-latest
            CC: cl
          # cl for windows only
          - os: ubuntu-latest
            CC: cl
          - os: windows-latest
            CC: gcc
          - os: windows-latest
            CC: clang
          - CC: clang
            gcc_version: 11

    steps:
    - uses: actions/checkout@v2
    
    - name: Install GCC
      if: matrix.CC == 'gcc'
      uses: egor-tensin/setup-gcc@v1
      with:
        version: ${{ matrix.gcc_version }}

    - name: Build
      env:
        CC: ${{ matrix.CC }}
      run: |
        cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{matrix.build_type}} -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON tests
        cmake --build ${{github.workspace}}/build --config ${{matrix.build_type}}

    - name: Test
      working-directory: ${{github.workspace}}/build
      run: ctest -C ${{matrix.build_type}}

    - name: Build (samples)
      env:
        CC: ${{ matrix.CC }}
      run: |
        cmake -B ${{github.workspace}}/build_samples -DCMAKE_BUILD_TYPE=${{matrix.build_type}} -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON samples
        cmake --build ${{github.workspace}}/build_samples --config ${{matrix.build_type}}