setup_mex.yml

name: Test MEX

on:
  # Trigger the workflow on push or pull request
  push:
  # Trigger the workflow by cron. The default time zone of GitHub Actions is UTC.
  schedule:
    - cron: '0 20 * * 6'
  # Trigger the workflow when it is manually triggered
  workflow_dispatch:

jobs:
  test:
    name: Test MEX
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [windows-2019, windows-latest, macos-11, macos-latest, macos-13]
        matlab: [R2020b, R2021a, R2021b, R2022a, R2022b, R2023a, R2023b, latest]
        oneapi: [2022, 2023]
        lang: [Fortran, C]

        exclude:

          - os: windows-2019
            matlab: R2020b
          - os: windows-2019
            matlab: R2022b
          - os: windows-2019
            matlab: R2023a
          - os: windows-2019
            matlab: latest

        # Below R2022a, MEX does not work on windows-latest due to the version of MS Visual Studio;
        # R2022a/b should work according to the documentation of MathWorks and GitHub Actions, but
        # they do not as of March 2022
          - os: windows-latest
            matlab: R2020b
          - os: windows-latest
            matlab: R2021a
          - os: windows-latest
            matlab: R2021b
          - os: windows-latest
            matlab: R2022a
          - os: windows-latest
            matlab: R2022b

        # The following combinations of OS and MATLAB are not available on GitHub Actions as of 20231009
          - os: windows-2019
            matlab: R2023b
          - os: windows-latest
            matlab: R2023b
          - os: macos-11
            matlab: R2023b
          - os: macos-12
            matlab: R2023b
          - os: macos-13
            matlab: R2023b
          - os: windows-2019
            matlab: latest
          - os: windows-latest
            matlab: latest
          - os: macos-11
            matlab: latest
          - os: macos-12
            matlab: latest
          - os: macos-13
            matlab: latest
          

    steps:
      - name: Check out repository
        uses: actions/checkout@v4.1.0

      - name: Install Intel oneAPI on macOS for Fortran
        if: startsWith(matrix.os, 'macos') && matrix.lang == 'Fortran'
        run: sudo bash install_oneapi_macos.sh ${{ matrix.oneapi }}

      - name: Install Intel oneAPI on Windows for Fortran
        if: startsWith(matrix.os, 'windows') && matrix.lang == 'Fortran'
        run: cmd.exe "/K" '"install_oneapi_windows.bat" ${{ matrix.oneapi }}'

      - name: Cache MATLAB
        id: cache-matlab
        uses: actions/cache@v3.3.2
        with:
          path: ${{ runner.tool_cache }}/MATLAB
          key: ${{ matrix.os }}-${{ matrix.matlab }}

      - name: Set up MATLAB
        uses: matlab-actions/setup-matlab@v2-beta
        with:
          release: ${{ matrix.matlab }}

      - name: Run the test
        uses: matlab-actions/run-command@v1.2.1
        with:
          command: |
            lang = '${{ matrix.lang }}';

            fprintf("\n\nTry setting mex up, attempt 1:\n\n");
            try_mex_setup(lang, true);

            fprintf("\n\nTry setting mex up, attempt 2:\n\n");
            mex -v -setup ${{ matrix.lang }}

            fprintf("\n\nTry setting mex up, attempt 3:\n\n");
            try_mex_setup(lang, true);

            fprintf("\n\nTry compiling the official example from MathWorks:\n\n");
            if strcmpi(lang, 'Fortran')
                mex('-v', fullfile(matlabroot,'extern','examples','refbook','timestwo.F'));
            else
                mex('-v', fullfile(matlabroot,'extern','examples','refbook','timestwo.c'));
            end
            timestwo(1)