build.yaml

name: BUILD
on:
  workflow_dispatch: # manual-run
  push: 
    paths: 
      - '**.f90'     # diff in source
jobs:
  CI:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest]
        gcc_v: [9,10] # Version of GFortran we want to use.
        python-version: [3.9] # Version of Python we want to use.
    env:
      FC: gfortran-${{ matrix.gcc_v }}
      GCC_V: ${{ matrix.gcc_v }}

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

    - name: Setup Fortran Package Manager
      uses: fortran-lang/setup-fpm@v4
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}

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

    - name: Build project
      run: fpm build --profile debug   

    - name: Install library
      run: fpm install