run_examples.yml

name: run_examples

on: [push, pull_request]

jobs:
  gfortran-nix:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-11]
        gcc_v: [10]
        build: [cmake]
        include:
        - os: ubuntu-latest
          os-arch: linux-x86_64
          debug-flags: '-g -fbacktrace -Og -fcheck=all'
        - os: macos-11
          os-arch: macos-x86_64
          debug-flags: '-g -fbacktrace -Og -fcheck=all'

    env:
      FC: gfortran
      GCC_V: ${{ matrix.gcc_v }}
      BUILD_DIR: ${{ matrix.build == 'cmake' && 'build' || '.' }}

    steps:
    - name: Checkout code
      uses: actions/checkout@v3

    - name: Install GFortran (MacOS)
      if: contains(matrix.os, 'macos')
      run: |
          ln -s /usr/local/bin/gfortran-${GCC_V} /usr/local/bin/gfortran
          which gfortran-${GCC_V}
          which gfortran

    - name: Install GFortran (Linux)
      if: contains(matrix.os, 'ubuntu')
      run: |
        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${GCC_V} 100 \
        --slave /usr/bin/gfortran gfortran /usr/bin/gfortran-${GCC_V} \
        --slave /usr/bingcov gcov /usr/bin/gcov-${GCC_V}

    - name: Configure with CMake
      if: ${{ contains(matrix.build, 'cmake') }}
      run: >-
        cmake
        -DCMAKE_BUILD_TYPE=Debug
        -DCMAKE_Fortran_FLAGS="${{ matrix.debug-flags }}"
        -S . -B ${{ env.BUILD_DIR }}

    - name: Build and compile
      if: ${{ contains(matrix.build, 'cmake') }}
      run: cmake --build ${{ env.BUILD_DIR }}

    - name: Run example programs
      run: |
        ./build/ex1
        ./build/ex2
        ./build/ex3
        ./build/ex4
        ./build/ex5