etl/.github/workflows/clang-c++20.yml

name: clang-c++20
on:
  push:
    branches: [ master, development, pull-request/* ]
    paths:
      - '.github/workflows/**'
      - 'include/**'
      - 'test/**'
      - 'CMakeLists.txt'
      - 'cmake/**'
      - 'BUILD.bazel'
      - 'MODULE.bazel*'
      - 'meson.build'
      - 'meson_options.txt'
      - 'subprojects/**'
      - '.devcontainer/**'
  pull_request:
    branches: [ master, development, pull-request/* ]
    types: [opened, synchronize, reopened]
    paths:
      - '.github/workflows/**'
      - 'include/**'
      - 'test/**'
      - 'CMakeLists.txt'
      - 'cmake/**'
      - 'BUILD.bazel'
      - 'MODULE.bazel*'
      - 'meson.build'
      - 'meson_options.txt'
      - 'subprojects/**'
      - '.devcontainer/**'

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

jobs:

  build-clang-cpp20-linux-stl-libcxx:
    name: Clang C++20 Linux - STL - libc++
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-22.04]

    steps:
    - uses: actions/checkout@v6.0.3

    # Temporary fix. See https://github.com/actions/runner-images/issues/8659
    - name: Install newer Clang
      run: |
        wget https://apt.llvm.org/llvm.sh
        chmod +x ./llvm.sh
        sudo ./llvm.sh 17        

    - name: Install libc++
      run: sudo apt-get install -y libc++-17-dev libc++abi-17-dev

    - name: Build
      run: |
        export CC=clang-17
        export CXX=clang++-17
        export CXXFLAGS="-stdlib=libc++"
        export LDFLAGS="-stdlib=libc++"
        cmake -D BUILD_TESTS=ON -DNO_STL=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF -DETL_CXX_STANDARD=20 ./
        clang-17 --version
        make -j "$(getconf _NPROCESSORS_ONLN)"        

    - name: Run tests
      run: ./test/etl_tests -v

  build-clang-cpp20-linux-no-stl:
    name: Clang C++20 Linux - No STL
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-22.04]

    steps:
    - uses: actions/checkout@v6.0.3

    # Temporary fix. See https://github.com/actions/runner-images/issues/8659
    - name: Install newer Clang
      run: |
        wget https://apt.llvm.org/llvm.sh
        chmod +x ./llvm.sh
        sudo ./llvm.sh 17        

    - name: Build
      run: |
        export CC=clang-17
        export CXX=clang++-17
        cmake -DBUILD_TESTS=ON -DNO_STL=ON -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF -DETL_CXX_STANDARD=20 ./
        clang-17 --version
        make -j "$(getconf _NPROCESSORS_ONLN)"        
    
    - name: Run tests
      run: ./test/etl_tests -v

  build-clang-cpp20-linux-stl-force-cpp03:
    name: Clang C++20 Linux - STL - Force C++03
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-22.04]

    steps:
    - uses: actions/checkout@v6.0.3

    # Temporary fix. See https://github.com/actions/runner-images/issues/8659
    - name: Install newer Clang
      run: |
        wget https://apt.llvm.org/llvm.sh
        chmod +x ./llvm.sh
        sudo ./llvm.sh 17        

    - name: Build
      run: |
        export CC=clang-17
        export CXX=clang++-17
        cmake -D BUILD_TESTS=ON -DNO_STL=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON -DETL_CXX_STANDARD=20 ./
        clang-17 --version
        make -j "$(getconf _NPROCESSORS_ONLN)"        

    - name: Run tests
      run: ./test/etl_tests -v

  build-clang-cpp20-linux-no-stl-force-cpp03:
    name: Clang C++20 Linux - No STL - Force C++03
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-22.04]

    steps:
    - uses: actions/checkout@v6.0.3

    # Temporary fix. See https://github.com/actions/runner-images/issues/8659
    - name: Install newer Clang
      run: |
        wget https://apt.llvm.org/llvm.sh
        chmod +x ./llvm.sh
        sudo ./llvm.sh 17        

    - name: Build
      run: |
        export CC=clang-17
        export CXX=clang++-17
        cmake -D BUILD_TESTS=ON -DNO_STL=ON -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON -DETL_CXX_STANDARD=20 ./
        clang-17 --version
        make -j "$(getconf _NPROCESSORS_ONLN)"        

    - name: Run tests
      run: ./test/etl_tests -v

  build-clang-cpp20-osx-stl:
    name: Clang C++20 OSX - STL
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-15]

    steps:
    - uses: actions/checkout@v6.0.3

    - name: Build
      run: |
        export CC=clang
        export CXX=clang++
        cmake -D BUILD_TESTS=ON -DNO_STL=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF -DETL_CXX_STANDARD=20 ./
        clang --version
        make -j "$(getconf _NPROCESSORS_ONLN)"        

    - name: Run tests
      run: ./test/etl_tests -v

  build-clang-cpp20-osx-no-stl:
    name: Clang C++20 OSX - No STL
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-15]

    steps:
    - uses: actions/checkout@v6.0.3

    - name: Build
      run: |
        export CC=clang
        export CXX=clang++
        cmake -D BUILD_TESTS=ON -DNO_STL=ON -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF -DETL_CXX_STANDARD=20 ./
        clang --version
        make -j "$(getconf _NPROCESSORS_ONLN)"        

    - name: Run tests
      run: ./test/etl_tests -v

  build-clang-cpp20-osx-stl-force-cpp03:
    name: Clang C++20 OSX - STL - Force C++03
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-15]

    steps:
    - uses: actions/checkout@v6.0.3

    - name: Build
      run: |
        export CC=clang
        export CXX=clang++
        cmake -D BUILD_TESTS=ON -DNO_STL=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON -DETL_CXX_STANDARD=20 ./
        clang --version
        make -j "$(getconf _NPROCESSORS_ONLN)"        

    - name: Run tests
      run: ./test/etl_tests -v

  build-clang-cpp20-osx-no-stl-force-cpp03:
    name: Clang C++20 OSX - No STL - Force C++03
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-15]

    steps:
    - uses: actions/checkout@v6.0.3

    - name: Build
      run: |
        export CC=clang
        export CXX=clang++
        cmake -D BUILD_TESTS=ON -DNO_STL=ON -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON -DETL_CXX_STANDARD=20 ./
        clang --version
        make -j "$(getconf _NPROCESSORS_ONLN)"        

    - name: Run tests
      run: ./test/etl_tests -v