build.yml

name: build & test

env:
    IMAGE_PREFIX: "ghcr.io/dnkpp/"

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

jobs:
    build:
        name: |
            ${{ matrix.config.prefix }} 
            ${{ matrix.config.compiler_name }}-${{ matrix.config.compiler_version }} 
            ${{ matrix.config.suffix }} 
            (C++${{ matrix.cxx_standard }}, ${{ matrix.build_mode }})
        runs-on: ${{ matrix.config.os }}
        container:
            image: ghcr.io/dnkpp/${{ matrix.config.compiler_name }}:${{ matrix.config.compiler_version }}

        strategy:
            fail-fast: false
            matrix:
                build_mode: [Debug, Release]
                cxx_standard: [20, 23]
                config:
                    #clang-18
                    - {
                        prefix: "Linux",
                        suffix: "/libc++",
                        os: ubuntu-latest,
                        compiler_name: "clang",
                        compiler_version: 18,
                        libcxx: true
                    }
                    - {
                        prefix: "Linux",
                        os: ubuntu-latest,
                        compiler_name: "clang",
                        compiler_version: 18,
                        libcxx: false
                    }
                    #clang-17
                    - {
                        prefix: "Linux",
                        suffix: "/libc++",
                        os: ubuntu-latest,
                        compiler_name: "clang",
                        compiler_version: 17,
                        libcxx: true
                    }
                    - {
                        prefix: "Linux",
                        os: ubuntu-latest,
                        compiler_name: "clang",
                        compiler_version: 17,
                        libcxx: false
                    }
                    #gcc-14
                    - {
                        prefix: "Linux",
                        os: ubuntu-latest,
                        compiler_name: "gcc",
                        compiler_version: 14,
                        libcxx: false
                    }
                    #gcc-13
                    - {
                        prefix: "Linux",
                        os: ubuntu-latest,
                        compiler_name: "gcc",
                        compiler_version: 13,
                        libcxx: false
                    }

        steps:
            - uses: actions/checkout@v4
  
            - name: Choose libc++
              if: ${{ matrix.config.compiler_name  == 'clang' && matrix.config.libcxx  == true }}
              run: |
                echo "CXX_FLAGS=$(echo $CXX_FLAGS -stdlib=libc++)" >> $GITHUB_ENV
                echo "LINK_FLAGS=$(echo $LINK_FLAGS -lc++abi)" >> $GITHUB_ENV
  
            - name: Configure
              run: |
                cmake \
                    -D CMAKE_BUILD_TYPE=${{ matrix.build_mode }} \
                    -D CMAKE_VERBOSE_MAKEFILE=yes \
                    -D mimicpp_BUILD_TESTS=yes \
                    -D mimicpp_FORCED_CXX_STANDARD:STRING="${{ matrix.cxx_standard }}" \
                    -D CMAKE_CXX_FLAGS:STRING="${{ env.CXX_FLAGS }}" \
                    -D CMAKE_EXE_LINKER_FLAGS:STRING="${{ env.LINK_FLAGS }}" \
                    -B build -S .

            - name: Build
              run: |
                cmake --build build -j4

            - name: Run tests
              env:
                CTEST_OUTPUT_ON_FAILURE: 1
              run: ctest --test-dir build/test -C ${{ matrix.build_mode }} -j4