macos-checks.yaml

name: macOS

on: [pull_request]

jobs:
  macOS:
    runs-on: macos-latest
    steps:
    - name: Setup macOS
      run: |
        # Copied from mpi4py/mpi-publish
        # create gfortran symlink
        cd $(brew --prefix)/bin
        gfortran=$(ls gfortran-* | sort | head -n 1)
        sudo ln -s $gfortran gfortran
        # install autotools
        brew install autoconf
        brew install automake
        brew install libtool
        # unlink libevent
        brew unlink libevent || true
    - uses: actions/checkout@v4
      with:
            submodules: recursive
    - name: Build Open MPI
      run: |
        ./autogen.pl
        ./configure --prefix=/opt/openmpi
        make -j $(sysctl -n hw.logicalcpu)
    - name: Run unit tests
      run: |
        make check
    - name: Install Open MPI
      run: |
        sudo make install
    - name: Add Open MPI to PATH
      run: echo /opt/openmpi/bin >> $GITHUB_PATH
    - name: Build examples
      run: |
        pushd examples
        make
        popd
    - name: Test ring
      run: |
        mpirun --map-by ppr:1:core examples/ring_c