name: linux

on: [push, pull_request]

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        cxx: [g++-4.9, g++-11, clang++-11]
        build_type: [Debug, Release]
        std: [11]
        shared: [""]
        include:
          - cxx: g++-4.9
          - cxx: g++-11
            build_type: Debug
            std: 14
            install: sudo apt install g++-11
          - cxx: g++-11
            build_type: Debug
            std: 17
          - cxx: g++-11
            build_type: Debug
            std: 20
            install: sudo apt install g++-11
          - cxx: clang++-11
            build_type: Debug
            std: 17
            cxxflags: -stdlib=libc++
            install: sudo apt install clang-11 libc++-11-dev libc++abi-11-dev
          - cxx: clang++-11
            install: sudo apt install clang-11
          - cxx: clang++-11
            build_type: Debug
            fuzz: -DFMT_FUZZ=ON -DFMT_FUZZ_LINKMAIN=ON
            std: 17
            install: sudo apt install clang-11
          #- cxx: clang++-13
          #  build_type: Debug
          #  std: 20
          #- cxx: clang++-13
          #  build_type: Debug
          #  std: 20
          #  cxxflags: -stdlib=libc++
          #  install: sudo apt install libc++-13-dev libc++abi-13-dev
          - cxx: g++-13
            build_type: Release
            std: 23
            install: sudo apt install g++-13
            shared: -DBUILD_SHARED_LIBS=ON

    steps:
    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0

    - name: Set timezone
      run: sudo timedatectl set-timezone 'Asia/Yekaterinburg'

    - name: Install GCC 4.9
      run: |
        sudo apt update
        sudo apt install libatomic1 libc6-dev libgomp1 libitm1 libmpc3
        # https://launchpad.net/ubuntu/xenial/amd64/g++-4.9/4.9.3-13ubuntu2
        wget --no-verbose \
          http://launchpadlibrarian.net/230069137/libmpfr4_3.1.3-2_amd64.deb \
          http://launchpadlibrarian.net/253728314/gcc-4.9-base_4.9.3-13ubuntu2_amd64.deb \
          http://launchpadlibrarian.net/445345919/gcc-5-base_5.4.0-6ubuntu1~16.04.12_amd64.deb \
          http://launchpadlibrarian.net/253728399/cpp-4.9_4.9.3-13ubuntu2_amd64.deb \
          http://launchpadlibrarian.net/253728424/libasan1_4.9.3-13ubuntu2_amd64.deb \
          http://launchpadlibrarian.net/445346135/libubsan0_5.4.0-6ubuntu1~16.04.12_amd64.deb \
          http://launchpadlibrarian.net/445346112/libcilkrts5_5.4.0-6ubuntu1~16.04.12_amd64.deb \
          http://launchpadlibrarian.net/253728426/libgcc-4.9-dev_4.9.3-13ubuntu2_amd64.deb \
          http://launchpadlibrarian.net/253728404/gcc-4.9_4.9.3-13ubuntu2_amd64.deb \
          http://launchpadlibrarian.net/253728432/libstdc++-4.9-dev_4.9.3-13ubuntu2_amd64.deb \
          http://launchpadlibrarian.net/253728401/g++-4.9_4.9.3-13ubuntu2_amd64.deb
        sudo dpkg -i libmpfr4_3.1.3-2_amd64.deb \
          gcc-4.9-base_4.9.3-13ubuntu2_amd64.deb \
          gcc-5-base_5.4.0-6ubuntu1~16.04.12_amd64.deb \
          cpp-4.9_4.9.3-13ubuntu2_amd64.deb \
          libasan1_4.9.3-13ubuntu2_amd64.deb \
          libubsan0_5.4.0-6ubuntu1~16.04.12_amd64.deb \
          libcilkrts5_5.4.0-6ubuntu1~16.04.12_amd64.deb \
          libgcc-4.9-dev_4.9.3-13ubuntu2_amd64.deb \
          gcc-4.9_4.9.3-13ubuntu2_amd64.deb \
          libstdc++-4.9-dev_4.9.3-13ubuntu2_amd64.deb \
          g++-4.9_4.9.3-13ubuntu2_amd64.deb
      if: ${{ matrix.cxx == 'g++-4.9' }}

    - name: Add repositories for newer GCC
      run: |
        sudo apt-add-repository ppa:ubuntu-toolchain-r/test
      if: ${{ matrix.cxx == 'g++-11' || matrix.cxx == 'g++-13' }}

    - name: Add Ubuntu mirrors
      run: |
        # GitHub Actions caching proxy is at times unreliable
        # see https://github.com/actions/runner-images/issues/7048
        printf 'http://azure.archive.ubuntu.com/ubuntu\tpriority:1\n' | sudo tee /etc/apt/mirrors.txt
        curl http://mirrors.ubuntu.com/mirrors.txt | sudo tee --append /etc/apt/mirrors.txt
        sudo sed -i 's~http://azure.archive.ubuntu.com/ubuntu/~mirror+file:/etc/apt/mirrors.txt~' /etc/apt/sources.list

    - name: Create Build Environment
      run: |
        sudo apt update --allow-unauthenticated
        ${{matrix.install}}
        sudo apt install locales-all
        cmake -E make_directory ${{runner.workspace}}/build

    - name: Configure
      working-directory: ${{runner.workspace}}/build
      env:
        CXX: ${{matrix.cxx}}
        CXXFLAGS: ${{matrix.cxxflags}}
      run: |
        cmake -DCMAKE_BUILD_TYPE=${{matrix.build_type}} ${{matrix.fuzz}} ${{matrix.shared}} \
              -DCMAKE_CXX_STANDARD=${{matrix.std}} -DFMT_DOC=OFF \
              -DCMAKE_CXX_VISIBILITY_PRESET=hidden -DCMAKE_VISIBILITY_INLINES_HIDDEN=ON \
              -DFMT_PEDANTIC=ON -DFMT_WERROR=ON $GITHUB_WORKSPACE

    - name: Build
      working-directory: ${{runner.workspace}}/build
      run: |
        threads=`nproc`
        cmake --build . --config ${{matrix.build_type}} --parallel $threads

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