name: Continuous Integration

on: [push, pull_request]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  gcc:
    name: GCC
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        include:
          - gcc: "5"
          - gcc: "6"
          - gcc: "7"
          - gcc: "8"
          - gcc: "9"
          - gcc: "10"
            cxxflags: -funsigned-char # Issue #1715
          - gcc: "11"
          - gcc: "12"
    steps:
      - name: Workaround for actions/runner-images#9491
        run: sudo sysctl vm.mmap_rnd_bits=28

      - name: Install
        run: |
          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5 3B4FE6ACC0B21F32
          sudo add-apt-repository -yn 'deb http://archive.ubuntu.com/ubuntu/ xenial main universe'
          sudo add-apt-repository -yn 'deb http://archive.ubuntu.com/ubuntu/ bionic main universe'
          sudo add-apt-repository -yn 'deb http://archive.ubuntu.com/ubuntu/ focal main universe'
          sudo apt-get update
          sudo apt-get install -y gcc-${{ matrix.gcc }} g++-${{ matrix.gcc }}
        timeout-minutes: 5

      - name: Checkout
        uses: actions/checkout@v4
        timeout-minutes: 1

      - name: Configure
        run: cmake -DCMAKE_BUILD_TYPE=Debug .
        env:
          CC: gcc-${{ matrix.gcc }}
          CXX: g++-${{ matrix.gcc }}
          CXXFLAGS: ${{ matrix.cxxflags }}
        timeout-minutes: 1

      - name: Build
        run: cmake --build .
        timeout-minutes: 10

      - name: Test
        run: ctest --output-on-failure -C Debug .
        timeout-minutes: 2

  clang:
    name: Clang
    strategy:
      fail-fast: false
      matrix:
        include:
          - clang: "7"
            runner: ubuntu-22.04
            archive: focal
          - clang: "8"
            runner: ubuntu-22.04
            archive: focal
          - clang: "9"
            runner: ubuntu-22.04
            archive: focal
          - clang: "10"
            runner: ubuntu-22.04
            archive: focal
          - clang: "11"
            runner: ubuntu-22.04
          - clang: "12"
            runner: ubuntu-22.04
          - clang: "13"
            runner: ubuntu-22.04
          - clang: 16
          - clang: 17
          - clang: 18
          - clang: 19
    runs-on: ${{ matrix.runner || 'ubuntu-latest' }}
    steps:
      - name: Add archive repositories
        if: matrix.archive
        run: |
          sudo gpg --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32
          sudo gpg --export 3B4FE6ACC0B21F32 | sudo tee /etc/apt/trusted.gpg.d/ubuntu-keyring.gpg > /dev/null
          sudo add-apt-repository -yn 'deb http://archive.ubuntu.com/ubuntu/ ${{ matrix.archive }} main'
          sudo add-apt-repository -yn 'deb http://archive.ubuntu.com/ubuntu/ ${{ matrix.archive }} universe'
      - name: Install Clang ${{ matrix.clang }}
        run: |
          sudo apt-get update
          sudo apt-get install -y clang-${{ matrix.clang }}
      - name: Install libunwind ${{ matrix.clang }}
        if: matrix.clang == 12 # dependency is missing in Ubuntu 22.04
        run: sudo apt-get install -y libunwind-${{ matrix.clang }}-dev
      - name: Checkout
        uses: actions/checkout@v4
      - name: Configure
        run: cmake -DCMAKE_BUILD_TYPE=Debug .
        env:
          CC: clang-${{ matrix.clang }}
          CXX: clang++-${{ matrix.clang }}
          CXXFLAGS: ${{ matrix.cxxflags }}
      - name: Build
        run: cmake --build .
      - name: Test
        run: ctest --output-on-failure -C Debug .