name: linux

on: [push, pull_request]

jobs:
  build:
    runs-on: ubuntu-18.04
    strategy:
      matrix:
        cxx: [g++-4.8, g++-8, g++-10, clang++]
        build_type: [Debug, Release]

    steps:
    - uses: actions/checkout@v2

    - name: Install GCC
      if: matrix.cxx == 'g++-4.8'
      run: sudo apt install g++-4.8

    - name: Create Build Environment
      run: cmake -E make_directory ${{runner.workspace}}/build

    - name: Configure
      working-directory: ${{runner.workspace}}/build
      env:
        CXX: ${{matrix.cxx}}
      run: |
        cmake -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \
              -DFMT_DOC=OFF -DFMT_PEDANTIC=ON -DFMT_WERROR=ON $GITHUB_WORKSPACE

    - name: Build
      working-directory: ${{runner.workspace}}/build
      run: cmake --build . --config ${{matrix.build_type}}

    - name: Test
      working-directory: ${{runner.workspace}}/build
      run: ctest -C ${{matrix.build_type}}