ci.yml

name: Continuous Integration testing
on: [push, pull_request]

env:
  # This version of Meson should be available as an EasyBuild on Fram and Betzy
  MESON_VERSION: '1.1.1'
jobs:
  build:
    name: Build BLOM on Github provided OS
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest]
        mpi: [true, false]
        openmp: ['enabled', 'disabled']
        ecosys: [false]   # ecosys==true fails with gcc, disable for now but leave placeholder
        exclude:
          # Do not build on macOS with MPI as that is having some dependency issues
          - os: macos-latest
            mpi: true
          # Run test (fuk95 executed with mpi=false) fails with ecosys
          - ecosys: true
            mpi: false
    steps:
      - name: Install dependencies - Ubuntu
        run: |
          sudo apt update
          sudo apt install -y libnetcdff-dev mpi-default-dev ninja-build
        if: runner.os == 'Linux'

      - name: Install dependencies - macOS
        run: brew install netcdf-fortran open-mpi ninja
        env:
          HOMEBREW_NO_INSTALL_CLEANUP: 1
        if: runner.os == 'macOS'

      - name: Setup Python for newer version of Meson
        uses: actions/setup-python@v5
        with:
          python-version: '3.10'

      - name: Install Meson
        run: python -m pip install meson==${{ env.MESON_VERSION }}

      - name: Checkout code
        uses: actions/checkout@v4
        with:
          submodules: 'recursive'

      - name: Build
        env:
          CC: gcc-12
          FC: gfortran-12
        run: |
          meson setup builddir -Dmpi=${{ matrix.mpi }} -Dopenmp=${{ matrix.openmp }} -Decosys=${{ matrix.ecosys }} --buildtype=debugoptimized
          meson compile -C builddir

      # macos-latest throws a SIGFPE exception for the test runs
      - name: Test code
        if: ${{ runner.os == 'Linux' && matrix.mpi == false }}
        run: |
          ulimit -s 65532
          meson test -C builddir

      - name: Upload test log
        if: ${{ runner.os == 'Linux' && matrix.mpi == false }}
        uses: actions/upload-artifact@v4
        with:
          name: testlog-${{ runner.os }}-OMP${{ matrix.openmp }}-gcc
          path: builddir/meson-logs/testlog.txt