github_autotools_gnu.yml

name: Autotools build and unit testing with GCC

on: [push, pull_request]

# cancel running jobs if theres a newer push
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        conf-flag: [ --disable-openmp, --with-mpi=no, --disable-r8-default]
        input-flag: [--with-yaml, --enable-test-input=/home/unit_tests_input]
        exclude:
          - conf-flag: --with-mpi=no
            input-flag: --enable-test-input=/home/unit_tests_input
    container:
      image: ghcr.io/noaa-gfdl/fms/fms-ci-rocky-gnu:15.1.0
      env:
        DISTCHECK_CONFIGURE_FLAGS: "${{ matrix.conf-flag }} ${{ matrix.input-flag }}"
        DEBUG_FLAGS: "-O0 -g -fbounds-check -ffpe-trap=invalid,zero,overflow" # debug compiler flags taken from the mkmf template
        # diag manager openmp + logical mask tests fail with gcc, these are reproducible outside the CI
        # test_mpp_clock_begin_end_id is an expected fail that is passing, only happens in the CI
        # test_time_interp2 tests fail from file issues, only happens in the CI
        SKIP_TESTS: "test_time_none.10 test_time_sum.10 test_time_avg.10 test_time_min.10 test_time_max.10 test_time_pow.10 test_time_rms.10 test_mpp_clock_begin_end_id.10 test_time_interp2.7 test_time_interp2.8"
    steps:
    - name: Checkout code
      uses: actions/checkout@v6.0.1
    - name: Prepare GNU autoconf for build
      run: autoreconf -if
    - name: Configure the build
      run: ./configure ${DISTCHECK_CONFIGURE_FLAGS} FCFLAGS="$FCFLAGS $DEBUG_FLAGS" || cat config.log
    - name: Run distcheck (compiles, tests, and packages)
      run: make distcheck 2>&1 > distcheck.log
      if: ${{ matrix.conf-flag != '--with-mpi=no' }}
    - name: Output errors on failure
      run: grep -E "^FAIL:|^XPASS:" distcheck.log
      if: failure()
    - name: Upload log on failure
      uses: actions/upload-artifact@v7.0.0
      if: failure()
      with:
        path: distcheck.log
    - name: Build the library (without test suite for serial build)
      run: make
      if: ${{ matrix.conf-flag == '--with-mpi=no' }}