ci.yml

name: CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          # GCC 12
          - cc: gcc-12
            cxx: g++-12
            f77: gfortran-12
            packages: gcc-12 g++-12 gfortran-12
          # GCC 14
          - cc: gcc-14
            cxx: g++-14
            f77: gfortran-14
            packages: gcc-14 g++-14 gfortran-14
          # Clang 18
          - cc: clang-18
            cxx: clang++-18
            f77: gfortran-14
            packages: gfortran-14 clang-18

    env:
      CC: ${{ matrix.cc }}
      CXX: ${{ matrix.cxx }}
      FC: ${{ matrix.f77 }}

    steps:
      - uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y ccache mpich libmpich-dev libopenblas-dev ${{ matrix.packages }}

      - name: Set up ccache
        uses: hendrikmuhs/ccache-action@v1
        with:
          key: ${{ matrix.cc }}

      - name: Configure ccache symlinks
        run: |
          sudo update-ccache-symlinks
          for cc in /usr/bin/clang-[0-9.]* /usr/bin/clang++-[0-9.]* ; do
            if [ -e "$cc" ]; then
              lnk=$(basename "$cc")
              if [ ! -e "/usr/lib/ccache/$lnk" ]; then
                sudo ln -s /usr/bin/ccache "/usr/lib/ccache/$lnk"
              fi
            fi
          done
          echo "/usr/lib/ccache" >> $GITHUB_PATH

      - name: Print tool info
        run: |
          nproc
          which $CC
          which $CXX
          which $FC
          cmake --version
          ctest --version

      - name: Build and test
        run: |
          ccache -s
          mkdir build && cd build
          cmake -DEL_TESTS=ON -DEL_EXAMPLES=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=~/Install .. || \
            (cat CMakeFiles/CMakeError.log; exit 1)
          make -j$(nproc)
          make install
          ctest --output-on-failure
          ccache -s