CI.yml

name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  BUILD_TYPE: Debug

jobs:
  build:
    strategy:
      matrix:
        os: [ubuntu-22.04]
        mpi: [mpich, openmpi]
        shared: [shared-off, shared-on]

    runs-on: ${{matrix.os}}

    steps:
    - uses: actions/checkout@v4

    - name: Install ${{matrix.mpi}}
      run: |
        case "${{matrix.mpi}}" in
            mpich)
                sudo apt-get update
                sudo apt-get install libmpich-dev
                ;;
            openmpi)
                sudo apt-get update
                sudo apt-get install libopenmpi-dev
                ;;
        esac

    # - name: Restore dependencies
    #   id: cache
    #   uses: actions/cache/restore@v3
    #   with:
    #     path: /usr/local
    #     key: ${{runner.os}}-${{matrix.mpi}}-dependencies
    #
    # - name: Build ${{matrix.mpi}}
    #   if: steps.cache.outputs.cache-hit != 'true'
    #   run: |
    #     case "${{matrix.mpi}}" in
    #         mpich)
    #             ;;
    #         openmpi)
    #             ./.github/workflows/install-openmpi.sh
    #             ;;
    #     esac
    #
    # - name: Save dependencies
    #   uses: actions/cache/save@v3
    #   with:
    #     path: /usr/local
    #     key: ${{steps.cache.cache-primary-key}}

    - name: Configure MPIwrapper
      working-directory: ${{github.workspace}}/mpiwrapper
      run: |
        cmake \
            -B build \
            -DCMAKE_BUILD_TYPE=Debug \
            -DCMAKE_C_COMPILER=mpicc \
            -DCMAKE_Fortran_COMPILER=mpifort \
            -DCMAKE_INSTALL_PREFIX=$HOME/mpiwrapper-${{matrix.mpi}}

    - name: Build MPIwrapper
      working-directory: ${{github.workspace}}/mpiwrapper
      run: cmake --build build

    # - name: Test
    #   working-directory: ${{github.workspace}}/build
    #   run: ctest -C ${{env.BUILD_TYPE}}

    - name: Install MPIwrapper
      working-directory: ${{github.workspace}}/mpiwrapper
      run: cmake --install build

    - name: Configure MPItrampoline
      working-directory: ${{github.workspace}}/mpitrampoline
      run: |
        shared=$(echo ${{matrix.shared}} | sed -e 's/shared-//')
        cmake \
            -B build \
            -DBUILD_SHARED_LIBS=${shared} \
            -DCMAKE_BUILD_TYPE=Debug \
            -DCMAKE_INSTALL_PREFIX=$HOME/mpitrampoline

    - name: Build MPItrampoline
      working-directory: ${{github.workspace}}/mpitrampoline
      run: cmake --build build

    # - name: Test
    #   working-directory: ${{github.workspace}}/build,
    #   run: ctest -C ${{env.BUILD_TYPE}}

    - name: Install MPItrampoline
      working-directory: ${{github.workspace}}/mpitrampoline
      run: cmake --install build

    - name: Test C
      working-directory: ${{github.workspace}}/test
      run: |
        $HOME/mpitrampoline/bin/mpicc -c hello-world-c.c
        $HOME/mpitrampoline/bin/mpicc -o hello-world-c hello-world-c.o
        export MPITRAMPOLINE_LIB=$HOME/mpiwrapper-${{matrix.mpi}}/lib/libmpiwrapper.so
        case "${{matrix.mpi}}" in
            mpich) mpiexec_options='';;
            openmpi) mpiexec_options='--oversubscribe';;
        esac
        ./hello-world-c 1
        mpiexec $mpiexec_options -n 4 ./hello-world-c 4

    - name: Test C++
      working-directory: ${{github.workspace}}/test
      run: |
        $HOME/mpitrampoline/bin/mpicxx -c hello-world-cxx.cxx
        $HOME/mpitrampoline/bin/mpicxx -o hello-world-cxx hello-world-cxx.o
        export MPITRAMPOLINE_LIB=$HOME/mpiwrapper-${{matrix.mpi}}/lib/libmpiwrapper.so
        case "${{matrix.mpi}}" in
            mpich) mpiexec_options='';;
            openmpi) mpiexec_options='--oversubscribe';;
        esac
        ./hello-world-cxx 1
        mpiexec $mpiexec_options -n 4 ./hello-world-cxx 4

    - name: Test fixed form Fortran
      working-directory: ${{github.workspace}}/test
      run: |
        $HOME/mpitrampoline/bin/mpifc -c hello-world-f.f
        $HOME/mpitrampoline/bin/mpifc -o hello-world-f hello-world-f.o
        export MPITRAMPOLINE_LIB=$HOME/mpiwrapper-${{matrix.mpi}}/lib/libmpiwrapper.so
        case "${{matrix.mpi}}" in
            mpich) mpiexec_options='';;
            openmpi) mpiexec_options='--oversubscribe';;
        esac
        ./hello-world-f 1
        mpiexec $mpiexec_options -n 4 ./hello-world-f 4

    - name: Test free form Fortran
      working-directory: ${{github.workspace}}/test
      run: |
        $HOME/mpitrampoline/bin/mpifc -c hello-world-f90.f90
        $HOME/mpitrampoline/bin/mpifc -o hello-world-f90 hello-world-f90.o
        export MPITRAMPOLINE_LIB=$HOME/mpiwrapper-${{matrix.mpi}}/lib/libmpiwrapper.so
        case "${{matrix.mpi}}" in
            mpich) mpiexec_options='';;
            openmpi) mpiexec_options='--oversubscribe';;
        esac
        ./hello-world-f90 1
        mpiexec $mpiexec_options -n 4 ./hello-world-f90 4
    - name: Test Fortran 90
      working-directory: ${{github.workspace}}/test
      run: |
        $HOME/mpitrampoline/bin/mpifc -c hello-world-fortran.f90
        $HOME/mpitrampoline/bin/mpifc -o hello-world-fortran hello-world-fortran.o
        export MPITRAMPOLINE_LIB=$HOME/mpiwrapper-${{matrix.mpi}}/lib/libmpiwrapper.so
        case "${{matrix.mpi}}" in
            mpich) mpiexec_options='';;
            openmpi) mpiexec_options='--oversubscribe';;
        esac
        ./hello-world-fortran 1
        mpiexec $mpiexec_options -n 4 ./hello-world-fortran 4
    - name: Test Fortran 2008
      working-directory: ${{github.workspace}}/test
      run: |
        $HOME/mpitrampoline/bin/mpifc -c hello-world-fortran08.f90
        $HOME/mpitrampoline/bin/mpifc -o hello-world-fortran08 hello-world-fortran08.o
        export MPITRAMPOLINE_LIB=$HOME/mpiwrapper-${{matrix.mpi}}/lib/libmpiwrapper.so
        case "${{matrix.mpi}}" in
            mpich) mpiexec_options='';;
            openmpi) mpiexec_options='--oversubscribe';;
        esac
        ./hello-world-fortran08 1
        mpiexec $mpiexec_options -n 4 ./hello-world-fortran08 4