name: Presubmit
on: [push, pull_request]

permissions:
  contents: read

jobs:
  build:
    name: Build ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    steps:
      - uses: actions/checkout@v3
      - name: Install Ubuntu packages
        if: matrix.os == 'ubuntu-latest'
        run: sudo apt install -y dos2unix
      - name: Install macOS packages
        if: matrix.os == 'macos-latest'
        run: brew install dos2unix
      - name: Build
        run: |
          mkdir build
          cd build
          cmake -DCMAKE_INSTALL_PREFIX=install ..
          cmake --build . --target install
      - name: Build spec tools
        run: |
          cd tools/buildHeaders
          mkdir build
          cd build
          cmake ..
          cmake --build . --target install
      - name: Build headers
        run: |
          cd tools/buildHeaders
          ./bin/makeHeaders
      - name: Check generated headers
        run: git diff --exit-code

  test_cmake_min_required:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: lukka/get-cmake@latest
        with:
          cmakeVersion: 3.14.0
      - name: CMake build
        run: |
          cmake -S . -B build/ -D CMAKE_BUILD_TYPE=Debug -G "Ninja" -D CMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/build/install/
          cmake --build build --target install

  test_cmake_latest:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: lukka/get-cmake@latest
      - name: CMake build
        run: |
          cmake -S . -B build/ -D CMAKE_BUILD_TYPE=Debug -G "Ninja"
          cmake --install build/ --prefix build/install

  add_subdirectory:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: lukka/get-cmake@latest
        with:
          cmakeVersion: 3.15.0
      - name: Build spirv-headers with testing enabled
        run: |
          cmake -S . -B build/ -D BUILD_TESTS=ON -D CMAKE_BUILD_TYPE=Debug -G "Ninja"
          cmake --build build

  find_package:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: lukka/get-cmake@latest
        with:
          cmakeVersion: 3.15.0
      - name: Install spirv-headers
        run: |
          cmake -S . -B build/
          cmake --install build/ --prefix build/install
      - name: Check spirv-headers find_package support
        run: |
          cmake -S tests/find_package -B tests/find_package/build/ -D CMAKE_PREFIX_PATH=${GITHUB_WORKSPACE}/build/install
          cmake --build tests/find_package/build/

  find_pkg_config:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: lukka/get-cmake@latest
        with:
          cmakeVersion: 3.15.0
      - name: Install spirv-headers
        run: |
          cmake -S . -B build/ -D CMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/build/install/
          cmake --install build/
      - name: Check spirv-headers pkg_config support
        run: |
          cmake -S tests/pkg_config -B tests/pkg_config/build/ -D CMAKE_PREFIX_PATH=${GITHUB_WORKSPACE}/build/install
          cmake --build tests/pkg_config/build/

  # https://github.com/KhronosGroup/SPIRV-Headers/issues/282
  find_pkg_config_absolute:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: lukka/get-cmake@latest
        with:
          cmakeVersion: 3.15.0
      - name: Install spirv-headers with CMAKE_INSTALL_INCLUDEDIR being absolute
        run: |
          cmake -S . -B build/ -D CMAKE_INSTALL_INCLUDEDIR=${GITHUB_WORKSPACE}/build/install/include -D CMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/build/install/
          cmake --install build/
      - name: Check spirv-headers pkg_config support
        run: |
          cmake -S tests/pkg_config -B tests/pkg_config/build/ -D CMAKE_PREFIX_PATH=${GITHUB_WORKSPACE}/build/install
          cmake --build tests/pkg_config/build/