name: Build

on: [push, pull_request]

jobs:
  linux-gcc:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        VER: [7, 8, 9]
        EXT: [ON, OFF]
        GEN: [Unix Makefiles, Ninja]
        VAR: [Debug, Release]
        STD: [99, 11] # 90 results in errors
        BIN: [32, 64]

    steps:
    - uses: actions/checkout@v2

    - name: Create Build Environment
      run: cmake -E make_directory $GITHUB_WORKSPACE/build;
        cmake -E make_directory $GITHUB_WORKSPACE/install;
        cmake -E make_directory $GITHUB_WORKSPACE/downstream/pkgconfig/bare;
        cmake -E make_directory $GITHUB_WORKSPACE/downstream/pkgconfig/sdk;
        if [[ "${{matrix.GEN}}" == "Ninja" && ! `which ninja` ]]; then sudo apt install -y ninja-build; fi;
        if [[ "${{matrix.BIN}}" == "32" ]]; then sudo apt install -y gcc-multilib gcc-8-multilib gcc-9-multilib; fi
      # Install Ninja only if it's the selected generator and it's not available.

    - name: Configure CMake
      shell: bash
      run: cmake
        -G "${{matrix.GEN}}"
        -D BUILD_TESTING=ON
        -D CMAKE_BUILD_TYPE=${{matrix.VAR}}
        -D CMAKE_C_FLAGS="-Wall -Wextra -Werror -pedantic -m${{matrix.BIN}}"
        -D CMAKE_C_COMPILER=gcc-${{matrix.VER}}
        -D CMAKE_C_STANDARD=${{matrix.STD}}
        -D CMAKE_C_EXTENSIONS=${{matrix.EXT}}
        -D CMAKE_INSTALL_PREFIX=$GITHUB_WORKSPACE/install
        -S $GITHUB_WORKSPACE
        -B $GITHUB_WORKSPACE/build

    - name: Build
      shell: bash
      run: cmake
        --build $GITHUB_WORKSPACE/build
        --
        -j`nproc`

    - name: Test
      working-directory: ${{runner.workspace}}/OpenCL-Headers/build
      shell: bash
      run: ctest --parallel `nproc`

    - name: Install
      shell: bash
      run: cmake
        --build $GITHUB_WORKSPACE/build
        --target install
        --
        -j`nproc`

    - name: Consume (Configure PkgConfig - bare)
      shell: bash
      run: cmake
        -G "${{matrix.GEN}}"
        -D BUILD_TESTING=ON
        -D CMAKE_BUILD_TYPE=${{matrix.VAR}}
        -D CMAKE_C_FLAGS="-Wall -Wextra -Werror -pedantic -m${{matrix.BIN}}"
        -D CMAKE_C_COMPILER=gcc-${{matrix.VER}}
        -D CMAKE_C_STANDARD=${{matrix.STD}}
        -D CMAKE_C_EXTENSIONS=${{matrix.EXT}}
        -D CMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/install
        -S $GITHUB_WORKSPACE/tests/pkgconfig/bare
        -B $GITHUB_WORKSPACE/downstream/pkgconfig/bare

    - name: Consume (Build PkgConfig - bare)
      shell: bash
      run: cmake
        --build $GITHUB_WORKSPACE/downstream/pkgconfig/bare
        --
        -j`nproc`

    - name: Consume (Emulate SDK presence)
      shell: bash
      run: cmake -E make_directory $GITHUB_WORKSPACE/install/share/cmake/OpenCL;
        echo 'include("${CMAKE_CURRENT_LIST_DIR}/../OpenCLHeaders/OpenCLHeadersTargets.cmake")' > $GITHUB_WORKSPACE/install/share/cmake/OpenCL/OpenCLConfig.cmake

    - name: Consume (Configure PkgConfig - SDK)
      shell: bash
      run: cmake
        -G "${{matrix.GEN}}"
        -D BUILD_TESTING=ON
        -D CMAKE_BUILD_TYPE=${{matrix.VAR}}
        -D CMAKE_C_FLAGS="-Wall -Wextra -Werror -pedantic -m${{matrix.BIN}}"
        -D CMAKE_C_COMPILER=gcc-${{matrix.VER}}
        -D CMAKE_C_STANDARD=${{matrix.STD}}
        -D CMAKE_C_EXTENSIONS=${{matrix.EXT}}
        -D CMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/install
        -S $GITHUB_WORKSPACE/tests/pkgconfig/sdk
        -B $GITHUB_WORKSPACE/downstream/pkgconfig/sdk

    - name: Consume (Build PkgConfig - SDK)
      shell: bash
      run: cmake
        --build $GITHUB_WORKSPACE/downstream/pkgconfig/sdk
        --
        -j`nproc`

  windows-msvc:
    runs-on: windows-latest
    strategy:
      matrix:
        VER: [v140, v141, v142]
        EXT: [ON, OFF]
        GEN: [Visual Studio 16 2019, Ninja Multi-Config]
        BIN: [x64, x86]
        #STD Proper 11, 17 incoming: https://devblogs.microsoft.com/cppblog/c11-and-c17-standard-support-arriving-in-msvc/

    steps:
    - uses: actions/checkout@v2

    - name: Create Build Environment
      shell: cmd
      run: |
        cmake -E make_directory $GITHUB_WORKSPACE/build;
        cmake -E make_directory $GITHUB_WORKSPACE/install;

    - name: Configure (MSBuild)
      if: matrix.GEN == 'Visual Studio 16 2019'
      shell: cmd
      run: |
        if /I "${{matrix.EXT}}"=="ON" (set C_FLAGS="/W4 /WX") else (set C_FLAGS="/W4 /WX /Za /wd4001")
        if /I "${{matrix.BIN}}"=="x86" (set BIN=Win32) else (set BIN=x64)
        cmake -G "${{matrix.GEN}}" -A %BIN% -T ${{matrix.VER}} -D BUILD_TESTING=ON -D CMAKE_C_FLAGS=%C_FLAGS% -D CMAKE_C_EXTENSIONS=${{matrix.EXT}} -D CMAKE_INSTALL_PREFIX=%GITHUB_WORKSPACE%/install -S %GITHUB_WORKSPACE% -B %GITHUB_WORKSPACE%/build

    - name: Configure (Ninja)
      if: matrix.GEN == 'Ninja Multi-Config'
      shell: cmd
      run: |
        if /I "${{matrix.VER}}"=="v140" (set VER=14.0)
        if /I "${{matrix.VER}}"=="v141" (set VER=14.1)
        if /I "${{matrix.VER}}"=="v142" (set VER=14.2)
        if /I "${{matrix.EXT}}"=="ON" (set C_FLAGS="/W4 /WX") else (set C_FLAGS="/W4 /WX /Za /wd4001")
        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{matrix.BIN}} /vcvars_ver=%VER%
        cmake -G "${{matrix.GEN}}" -D BUILD_TESTING=ON -D CMAKE_C_FLAGS=%C_FLAGS% -D CMAKE_C_EXTENSIONS=${{matrix.EXT}} -D CMAKE_EXE_LINKER_FLAGS=/INCREMENTAL -D CMAKE_INSTALL_PREFIX=%GITHUB_WORKSPACE%/install -S %GITHUB_WORKSPACE% -B %GITHUB_WORKSPACE%/build

    - name: Build (MSBuild)
      if: matrix.GEN == 'Visual Studio 16 2019'
      shell: cmd
      run: |
        cmake --build %GITHUB_WORKSPACE%\build --config Release -- /verbosity:minimal /maxCpuCount /noLogo
        cmake --build %GITHUB_WORKSPACE%\build --config Debug -- /verbosity:minimal /maxCpuCount /noLogo

    - name: Build (Ninja)
      if: matrix.GEN == 'Ninja Multi-Config'
      shell: cmd
      run: |
        if /I "${{matrix.VER}}"=="v140" set VER=14.0
        if /I "${{matrix.VER}}"=="v141" set VER=14.1
        if /I "${{matrix.VER}}"=="v142" set VER=14.2
        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{matrix.BIN}} /vcvars_ver=%VER%
        cmake --build %GITHUB_WORKSPACE%\build --config Release
        cmake --build %GITHUB_WORKSPACE%\build --config Debug

    - name: Test
      working-directory: ${{runner.workspace}}/OpenCL-Headers/build
      shell: cmd
      run: |
        ctest -C Release --parallel %NUMBER_OF_PROCESSORS%

    - name: Install
      shell: cmd
      run: |
        cmake --build %GITHUB_WORKSPACE%/build --config Release --target install

    - name: Consume (Configure PkgConfig - bare MSBuild)
      if: matrix.GEN == 'Visual Studio 16 2019'
      shell: cmd
      run: |
        if /I "${{matrix.EXT}}"=="ON" (set C_FLAGS="/W4 /WX") else (set C_FLAGS="/W4 /WX /Za /wd4001")
        if /I "${{matrix.BIN}}"=="x86" (set BIN=Win32) else (set BIN=x64)
        cmake -G "${{matrix.GEN}}" -A %BIN% -T ${{matrix.VER}} -D BUILD_TESTING=ON -D CMAKE_C_FLAGS=%C_FLAGS% -D CMAKE_C_EXTENSIONS=${{matrix.EXT}} -D CMAKE_PREFIX_PATH=%GITHUB_WORKSPACE%/install -S %GITHUB_WORKSPACE%\tests\pkgconfig\bare -B %GITHUB_WORKSPACE%\downstream\pkgconfig\bare

    - name: Consume (Configure PkgConfig - bare Ninja)
      if: matrix.GEN == 'Ninja Multi-Config'
      shell: cmd
      run: |
        if /I "${{matrix.VER}}"=="v140" (set VER=14.0)
        if /I "${{matrix.VER}}"=="v141" (set VER=14.1)
        if /I "${{matrix.VER}}"=="v142" (set VER=14.2)
        if /I "${{matrix.EXT}}"=="ON" (set C_FLAGS="/W4 /WX") else (set C_FLAGS="/W4 /WX /Za /wd4001")
        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{matrix.BIN}} /vcvars_ver=%VER%
        cmake -G "${{matrix.GEN}}" -D BUILD_TESTING=ON -D CMAKE_C_FLAGS=%C_FLAGS% -D CMAKE_C_EXTENSIONS=${{matrix.EXT}} -D CMAKE_EXE_LINKER_FLAGS=/INCREMENTAL -D CMAKE_PREFIX_PATH=%GITHUB_WORKSPACE%/install -S %GITHUB_WORKSPACE%\tests\pkgconfig\bare -B %GITHUB_WORKSPACE%\downstream\pkgconfig\bare

    - name: Consume (Build PkgConfig - bare MSBuild)
      if: matrix.GEN == 'Visual Studio 16 2019'
      shell: cmd
      run: |
        cmake --build %GITHUB_WORKSPACE%\downstream\pkgconfig\bare --config Release -- /verbosity:minimal /maxCpuCount /noLogo
        cmake --build %GITHUB_WORKSPACE%\downstream\pkgconfig\bare --config Debug -- /verbosity:minimal /maxCpuCount /noLogo

    - name: Consume (Build PkgConfig - bare Ninja)
      if: matrix.GEN == 'Ninja Multi-Config'
      shell: cmd
      run: |
        if /I "${{matrix.VER}}"=="v140" set VER=14.0
        if /I "${{matrix.VER}}"=="v141" set VER=14.1
        if /I "${{matrix.VER}}"=="v142" set VER=14.2
        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{matrix.BIN}} /vcvars_ver=%VER%
        cmake --build %GITHUB_WORKSPACE%\downstream\pkgconfig\bare --config Release
        cmake --build %GITHUB_WORKSPACE%\downstream\pkgconfig\bare --config Debug

    - name: Consume (Emulate SDK presence)
      shell: bash
      run: cmake -E make_directory $GITHUB_WORKSPACE/install/share/cmake/OpenCL;
        echo 'include("${CMAKE_CURRENT_LIST_DIR}/../OpenCLHeaders/OpenCLHeadersTargets.cmake")' > $GITHUB_WORKSPACE/install/share/cmake/OpenCL/OpenCLConfig.cmake

    - name: Consume (Configure PkgConfig - SDK MSBuild)
      if: matrix.GEN == 'Visual Studio 16 2019'
      shell: cmd
      run: |
        if /I "${{matrix.EXT}}"=="ON" (set C_FLAGS="/W4 /WX") else (set C_FLAGS="/W4 /WX /Za /wd4001")
        if /I "${{matrix.BIN}}"=="x86" (set BIN=Win32) else (set BIN=x64)
        cmake -G "${{matrix.GEN}}" -A %BIN% -T ${{matrix.VER}} -D BUILD_TESTING=ON -D CMAKE_C_FLAGS=%C_FLAGS% -D CMAKE_C_EXTENSIONS=${{matrix.EXT}} -D CMAKE_PREFIX_PATH=%GITHUB_WORKSPACE%/install -S %GITHUB_WORKSPACE%\tests\pkgconfig\sdk -B %GITHUB_WORKSPACE%\downstream\pkgconfig\sdk

    - name: Consume (Configure PkgConfig - SDK Ninja)
      if: matrix.GEN == 'Ninja Multi-Config'
      shell: cmd
      run: |
        if /I "${{matrix.VER}}"=="v140" (set VER=14.0)
        if /I "${{matrix.VER}}"=="v141" (set VER=14.1)
        if /I "${{matrix.VER}}"=="v142" (set VER=14.2)
        if /I "${{matrix.EXT}}"=="ON" (set C_FLAGS="/W4 /WX") else (set C_FLAGS="/W4 /WX /Za /wd4001")
        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{matrix.BIN}} /vcvars_ver=%VER%
        cmake -G "${{matrix.GEN}}" -D BUILD_TESTING=ON -D CMAKE_C_FLAGS=%C_FLAGS% -D CMAKE_C_EXTENSIONS=${{matrix.EXT}} -D CMAKE_EXE_LINKER_FLAGS=/INCREMENTAL -D CMAKE_PREFIX_PATH=%GITHUB_WORKSPACE%/install -S %GITHUB_WORKSPACE%\tests\pkgconfig\sdk -B %GITHUB_WORKSPACE%\downstream\pkgconfig\sdk

    - name: Consume (Build PkgConfig - SDK MSBuild)
      if: matrix.GEN == 'Visual Studio 16 2019'
      shell: cmd
      run: |
        cmake --build %GITHUB_WORKSPACE%\downstream\pkgconfig\sdk --config Release -- /verbosity:minimal /maxCpuCount /noLogo
        cmake --build %GITHUB_WORKSPACE%\downstream\pkgconfig\sdk --config Debug -- /verbosity:minimal /maxCpuCount /noLogo

    - name: Consume (Build PkgConfig - SDK Ninja)
      if: matrix.GEN == 'Ninja Multi-Config'
      shell: cmd
      run: |
        if /I "${{matrix.VER}}"=="v140" set VER=14.0
        if /I "${{matrix.VER}}"=="v141" set VER=14.1
        if /I "${{matrix.VER}}"=="v142" set VER=14.2
        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{matrix.BIN}} /vcvars_ver=%VER%
        cmake --build %GITHUB_WORKSPACE%\downstream\pkgconfig\sdk --config Release
        cmake --build %GITHUB_WORKSPACE%\downstream\pkgconfig\sdk --config Debug

  macos-gcc:
    runs-on: macos-latest
    strategy:
      matrix:
        VER: [8, 9]
        EXT: [ON, OFF]
        GEN: [Xcode, Ninja Multi-Config]
        STD: [99, 11] # 90 results in errors

    steps:
    - uses: actions/checkout@v2

    - name: Create Build Environment
      run: |
        cmake -E make_directory $GITHUB_WORKSPACE/build;
        cmake -E make_directory $GITHUB_WORKSPACE/install;
        if [[ "${{matrix.GEN}}" == "Ninja Multi-Config" && ! `which ninja` ]]; then brew install ninja; fi;
        # Install Ninja only if it's the selected generator and it's not available.

    - name: Configure CMake
      shell: bash
      run: cmake
        -G "${{matrix.GEN}}"
        -D BUILD_TESTING=ON
        -D CMAKE_C_FLAGS="-Wall -Wextra -Werror -pedantic -Wno-format"
        -D CMAKE_C_COMPILER=/usr/local/bin/gcc-${{matrix.VER}}
        -D CMAKE_C_STANDARD=${{matrix.STD}}
        -D CMAKE_C_EXTENSIONS=${{matrix.EXT}}
        -D CMAKE_INSTALL_PREFIX=$GITHUB_WORKSPACE/install
        -S $GITHUB_WORKSPACE
        -B $GITHUB_WORKSPACE/build

    - name: Build (Xcode)
      if: matrix.GEN == 'Xcode'
      shell: bash
      run: |
        cmake --build $GITHUB_WORKSPACE/build --config Release
        cmake --build $GITHUB_WORKSPACE/build --config Debug

    - name: Build (Ninja)
      if: matrix.GEN == 'Ninja Multi-Config'
      shell: bash
      run: |
        cmake --build $GITHUB_WORKSPACE/build --config Release
        cmake --build $GITHUB_WORKSPACE/build --config Debug

    - name: Test
      working-directory: ${{runner.workspace}}/OpenCL-Headers/build
      shell: bash
      run: ctest -C Release --parallel `sysctl -n hw.logicalcpu`

    - name: Install (Xcode)
      if: matrix.GEN == 'Xcode'
      shell: bash
      run: |
        cmake --build $GITHUB_WORKSPACE/build --config Release --target install

    - name: Install (Ninja)
      if: matrix.GEN == 'Ninja Multi-Config'
      shell: bash
      run: |
        cmake --build $GITHUB_WORKSPACE/build --config Release --target install

    - name: Consume (Configure PkgConfig - bare)
      shell: bash
      run: cmake
        -G "${{matrix.GEN}}"
        -D BUILD_TESTING=ON
        -D CMAKE_C_FLAGS="-Wall -Wextra -Werror -pedantic -Wno-format"
        -D CMAKE_C_COMPILER=/usr/local/bin/gcc-${{matrix.VER}}
        -D CMAKE_C_STANDARD=${{matrix.STD}}
        -D CMAKE_C_EXTENSIONS=${{matrix.EXT}}
        -D CMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/install
        -S $GITHUB_WORKSPACE/tests/pkgconfig/bare
        -B $GITHUB_WORKSPACE/downstream/pkgconfig/bare

    - name: Consume (Build PkgConfig - bare)
      shell: bash
      run: |
        cmake --build $GITHUB_WORKSPACE/downstream/pkgconfig/bare --config Release
        cmake --build $GITHUB_WORKSPACE/downstream/pkgconfig/bare --config Debug

    - name: Consume (Emulate SDK presence)
      shell: bash
      run: cmake -E make_directory $GITHUB_WORKSPACE/install/share/cmake/OpenCL;
        echo 'include("${CMAKE_CURRENT_LIST_DIR}/../OpenCLHeaders/OpenCLHeadersTargets.cmake")' > $GITHUB_WORKSPACE/install/share/cmake/OpenCL/OpenCLConfig.cmake

    - name: Consume (Configure PkgConfig - SDK)
      shell: bash
      run: cmake
        -G "${{matrix.GEN}}"
        -D BUILD_TESTING=ON
        -D CMAKE_C_FLAGS="-Wall -Wextra -Werror -pedantic -Wno-format"
        -D CMAKE_C_COMPILER=/usr/local/bin/gcc-${{matrix.VER}}
        -D CMAKE_C_STANDARD=${{matrix.STD}}
        -D CMAKE_C_EXTENSIONS=${{matrix.EXT}}
        -D CMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/install
        -S $GITHUB_WORKSPACE/tests/pkgconfig/sdk
        -B $GITHUB_WORKSPACE/downstream/pkgconfig/sdk

    - name: Consume (Build PkgConfig - SDK)
      shell: bash
      run: |
        cmake --build $GITHUB_WORKSPACE/downstream/pkgconfig/sdk --config Release
        cmake --build $GITHUB_WORKSPACE/downstream/pkgconfig/sdk --config Debug