# This workflow is for CMake-based build/test running on multiple platforms.
name: cmake build

on: [push, pull_request]

jobs:
  build:
    name: ${{ matrix.os }} ${{ matrix.c_compiler }} thr:${{ matrix.enable_threads }} rwlock:${{ matrix.enable_rwlock }} redir:${{ matrix.redirect_malloc }} dll:${{ matrix.shared_libs }} cpp:${{ matrix.enable_cplusplus }}
    runs-on: ${{ matrix.os }}
    timeout-minutes: 6

    strategy:
      # Deliver the feedback for all matrix combinations.
      fail-fast: false

      matrix:
        os: [ macos-latest, ubuntu-latest, windows-latest ]
        c_compiler: [ cl, clang, gcc ]
        cxx_compiler: [ cl, clang++, g++ ]
        enable_cplusplus: [ off, on ]
        build_type: [ Release ]
        disable_gc_debug: [ off ]
        gc_assertions: [ on ]
        large_config: [ on ]
        enable_threads: [ off, on ]
        enable_rwlock: [ off, on ]
        redirect_malloc: [ off, on ]
        shared_libs: [ off, on ]
        exclude:
        - os: macos-latest
          c_compiler: cl
        - os: macos-latest
          c_compiler: gcc
        - os: ubuntu-latest
          c_compiler: cl
        - enable_threads: off
          enable_rwlock: on
        - c_compiler: cl
          cxx_compiler: clang++
        - c_compiler: cl
          cxx_compiler: g++
        - c_compiler: clang
          cxx_compiler: cl
        - c_compiler: clang
          cxx_compiler: g++
        - c_compiler: gcc
          cxx_compiler: cl
        - c_compiler: gcc
          cxx_compiler: clang++
        - os: macos-latest
          enable_cplusplus: off
        - os: ubuntu-latest
          enable_cplusplus: off
        - os: windows-latest
          c_compiler: cl
          enable_cplusplus: off
        - os: windows-latest # TODO: replacement operator cannot be inline
          c_compiler: clang
          enable_cplusplus: on
        - os: windows-latest
          c_compiler: gcc
          enable_cplusplus: off
        - os: windows-latest # TODO: support dependency on libatomic_ops
          c_compiler: cl
          enable_threads: on
        include:
        - os: windows-latest
          c_compiler: gcc
          cmake_generator_opt: '-G "Unix Makefiles"'
        - os: windows-latest
          c_compiler: clang
          cmake_generator_opt: '-G "Unix Makefiles"'

    steps:
    - uses: actions/checkout@v4

    - name: Set reusable strings
      # Turn repeated input strings into step outputs.
      id: strings
      shell: bash
      run: |
        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"

    - name: Configure CMake
      # Configure CMake in a 'build' subdirectory.
      run: >
        cmake -B ${{ steps.strings.outputs.build-output-dir }}
        ${{ matrix.cmake_generator_opt }}
        -DBUILD_SHARED_LIBS=${{ matrix.shared_libs }}
        -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
        -DCMAKE_CXX_COMPILER=${{ matrix.cxx_compiler }}
        -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
        -Dbuild_tests=ON
        -Ddisable_gc_debug=${{ matrix.disable_gc_debug }}
        -Denable_cplusplus=${{ matrix.enable_cplusplus }}
        -Denable_gc_assertions=${{ matrix.gc_assertions }}
        -Denable_large_config=${{ matrix.large_config }}
        -Denable_redirect_malloc=${{ matrix.redirect_malloc }}
        -Denable_rwlock=${{ matrix.enable_rwlock }}
        -Denable_threads=${{ matrix.enable_threads }}
        -Denable_werror=ON
        -Werror=dev
        -S ${{ github.workspace }}

    - name: Build
      # Build the code with the given configuration.
      run: >
        cmake --build ${{ steps.strings.outputs.build-output-dir }}
        --config ${{ matrix.build_type }} --verbose --parallel

    - name: Test
      working-directory: ${{ steps.strings.outputs.build-output-dir }}
      # Execute tests defined by the CMake configuration.
      run: ctest --build-config ${{ matrix.build_type }} --verbose --parallel 8