c-std.yml

name: C Standard

on:
  workflow_dispatch:
  push:
  pull_request:

jobs:

  main:
    name: ${{ matrix.os.name }} + ${{ matrix.compiler }} ${{ matrix.arch.name }} + ${{ matrix.builder }} ${{ matrix.std.name }}
    runs-on: ${{ matrix.os.value }}
    strategy:
      fail-fast: false
      matrix:
        os:
          - name: Linux
            value: ubuntu-latest
          # - name: MacOS
          #   value: macos-latest

        compiler:
          - gcc
          - clang

        arch:
          - name: 64-bit
            tag: amd64
            compiler-opt: -m64
          - name: 32-bit
            tag: i386
            compiler-opt: -m32


        builder:
          - configure
          # - cmake

        std:
          # - name: c89
          #   value: c89
          # - name: gnu89
          #   value: gnu89
          # - name: c94
          #   value: iso9899:199409
          # - name: c99
          #   value: c99
          # - name: gnu99
          #   value: gnu99
          # - name: c11
          #   value: c11
          # - name: gnu11
          #   value: gnu11
          # - name: c17
          #   value: c17
          # - name: gnu17
          #   value: gnu17
          # - name: c2x
          #   value: c2x
          - name: gnu2x
            value: gnu2x


    # # Only want the container for Linux
    # # 'if' not valid here, so use a ternary expression
    # container:
    #   image: ${{ matrix.os.name == 'Linux' && join(matrix.arch.tag, '/debian:stable') || null }}

    steps:

    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        show-progress: 'false'

    - name: Install packages (Linux)
      if: matrix.os.name == 'Linux' && matrix.arch.tag == 'i386'
      run: |
        sudo apt-get update
        sudo apt install gcc-multilib libc6-dev-i386-cross

    - name: Generate project files (configure)
      if: matrix.builder == 'configure'
      run: |
        ./configure
      env:
        CC: ${{ matrix.compiler }}
        CFLAGS: -std=${{ matrix.std.value }} ${{ matrix.arch.compiler-opt }} -Werror

    - name: Compile source code (configure)
      if: matrix.builder == 'configure'
      run: make -j2

    - name: Run test cases (configure)
      if: matrix.builder == 'configure'
      run: |
        make test
        make cover

    - name: Generate project files (cmake)
      if: matrix.builder == 'cmake'
      run: |
        cmake -S . -B . -D CMAKE_BUILD_TYPE=Release -D ZLIB_BUILD_EXAMPLES=OFF
      env:
        CC: ${{ matrix.compiler }}
        CFLAGS: -std=${{ matrix.std.value }} ${{ matrix.arch.compiler-opt }} -Werror

    - name: Compile source code (cmake)
      if: matrix.builder == 'cmake'
      run: cmake --build . --config Release

    - name: Run test cases (cmake)
      if: matrix.builder == 'cmake'
      run: ctest -C Release --output-on-failure --max-width 120


  # msvc:
  #   name: ${{ matrix.os.name }} cl ${{ matrix.arch.name }}  ${{ matrix.std.name }}
  #   runs-on: ${{ matrix.os.value }}
  #   strategy:
  #     fail-fast: false
  #     matrix:
  #       os:
  #         - name: Windows
  #           value: windows-latest

  #       arch:
  #         - name: 32-bit
  #           value: -A Win32
  #         - name: 64-bit
  #           value: -A x64

  #       std:
  #         - name: default
  #           value: ""
  #         - name: C11
  #           value: /std:c11
  #         - name: C17
  #           value: /std:c17
  #         - name: latest
  #           value: /std:clatest

  #   steps:

  #   - name: Checkout repository
  #     uses: actions/checkout@v4
  #     with:
  #       show-progress: 'false'

  #   - name: Generate project files (cmake)
  #     run: |
  #       cmake -S . -B . ${{ matrix.arch.value }} -D CMAKE_BUILD_TYPE=Release
  #     env:
  #       CC: cl
  #       CFLAGS: /WX ${{ matrix.std.value }}

  #   - name: Compile source code (cmake)
  #     run: cmake --build . --config Release -v

  #   - name: Run test cases (cmake)
  #     run: ctest -C Release --output-on-failure --max-width 120