main.yml

name: Build

on: [push, pull_request]

jobs:
  Build:
    name: ${{ matrix.platform.name }}
    runs-on: ${{ matrix.platform.os }}

    defaults:
      run:
        shell: ${{ matrix.platform.shell }}

    strategy:
      fail-fast: false
      matrix:
        platform:
        - { name: Windows (MSVC),    os: windows-latest, shell: sh,  vendored: true, msvc: 1, shared: 1, static: 0, artifact: 'SDL3_image-VC-x64',
            cmake: '-DSDLIMAGE_BACKEND_STB=OFF -DPerl_ROOT=C:/Strawberry/perl/bin/ -GNinja -DCMAKE_POLICY_DEFAULT_CMP0141=NEW -DCMAKE_MSVC_DEBUG_INFORMATION_FORMAT=ProgramDatabase -DCMAKE_EXE_LINKER_FLAGS=-DEBUG -DCMAKE_SHARED_LINKER_FLAGS=-DEBUG' }
        - { name: Windows (mingw64), os: windows-latest, shell: 'msys2 {0}', vendored: false, msystem: mingw64, msys-env: mingw-w64-x86_64, shared: 1, static: 0, artifact: 'SDL3_image-mingw64',
            cmake: '-DSDLIMAGE_BACKEND_STB=OFF -DSDLIMAGE_BACKEND_WIC=OFF  -DSDLIMAGE_AVIF=ON -G "Ninja Multi-Config"' }
        - { name: Linux,             os: ubuntu-latest,  shell: sh,  vendored: false, cmake: '-GNinja', shared: 1, static: 0, noavif: true, nojxl: true, artifact: 'SDL3_image-linux-x64' }
        - { name: 'Linux (static)',  os: ubuntu-latest,  shell: sh,  vendored: true, cmake: '-DBUILD_SHARED_LIBS=OFF -GNinja', shared: 0, static: 1, artifact: 'SDL3_image-static-linux-x64' }
        - { name: Macos,             os: macos-latest,   shell: sh,  vendored: false, cmake: '-GNinja', shared: 1, static: 0, artifact: 'SDL3_image-macos' }

    steps:

    - uses: ilammy/msvc-dev-cmd@v1
      if: ${{ matrix.platform.msvc }}
      with:
        arch: x64
    - name: Set up MSYS2
      if: ${{ contains(matrix.platform.shell, 'msys2') }}
      uses: msys2/setup-msys2@v2
      with:
        msystem: ${{ matrix.platform.msystem }}
        path-type: inherit
        install: >-
          ${{ matrix.platform.msys-env }}-cmake
          ${{ matrix.platform.msys-env }}-gcc
          ${{ matrix.platform.msys-env }}-ninja
          ${{ matrix.platform.msys-env }}-perl
          ${{ matrix.platform.msys-env }}-pkg-config
          ${{ matrix.platform.msys-env }}-nasm
          ${{ matrix.platform.msys-env }}-libavif
          ${{ matrix.platform.msys-env }}-libjpeg-turbo
          ${{ matrix.platform.msys-env }}-libjxl
          ${{ matrix.platform.msys-env }}-libpng
          ${{ matrix.platform.msys-env }}-libtiff
          ${{ matrix.platform.msys-env }}-libwebp
          ${{ matrix.platform.msys-env }}-zlib
    - name: Install Ninja
      uses: aseprite/get-ninja@main
      if: ${{ !contains(matrix.platform.shell, 'msys2') }}
    - name: Set up SDL
      id: sdl
      uses: libsdl-org/setup-sdl@main
      with:
        cmake-generator: Ninja
        version: 3-head
        sdl-test: true
        shell: ${{ matrix.platform.shell }}
    - name: Set up Macos dependencies
      if: ${{ runner.os == 'macOS' && !matrix.platform.vendored }}
      run: |
        brew install \
          jpeg-xl \
          libavif \
          webp \
          ${NULL+}
    - name: Set up Linux dependencies
      if: ${{ runner.os == 'Linux' && !matrix.platform.vendored }}
      run: |
        sudo apt-get update
        sudo apt-get -y install \
          libavif-dev \
          libjpeg-dev \
          libpng-dev \
          libtiff-dev \
          libwebp-dev \
          zlib1g-dev \
          ${NULL+}
    - name: Set up NASM
      uses: ilammy/setup-nasm@v1
      if: ${{ matrix.platform.vendored && !contains(matrix.platform.shell, 'msys2') }}

    - uses: actions/checkout@v4
      with:
        submodules: ${{ matrix.platform.vendored && 'recursive' }}

    - name: Check that versioning is consistent
      # We only need to run this once: arbitrarily use the Linux build
      if: ${{ runner.os == 'Linux' }}
      run: ./build-scripts/test-versioning.sh

    - name: Configure (CMake)
      run: |
        export CMAKE_CONFIGURATION_TYPES=Release
        cmake -B build \
          -DSDLIMAGE_VENDORED=${{ matrix.platform.vendored }} \
          -DBUILD_SHARED_LIBS=ON \
          -DCMAKE_BUILD_TYPE=Release \
          -DSDLIMAGE_SAMPLES=ON \
          -DSDLIMAGE_TESTS=ON \
          -DSDLIMAGE_TESTS_INSTALL=ON \
          -DSDLIMAGE_AVIF=${{ !matrix.platform.noavif }} \
          -DSDLIMAGE_JXL=${{ !matrix.platform.nojxl }} \
          -DSDLIMAGE_TIF=ON \
          -DSDLIMAGE_WEBP=ON \
          -DSDLIMAGE_STRICT=ON \
          -DSDLIMAGE_WERROR=ON \
          -DSDLIMAGE_INSTALL_MAN=ON \
          -DCMAKE_INSTALL_PREFIX=prefix_cmake \
          -DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=$PWD/build \
          -DCMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE=$PWD/build \
          ${{ matrix.platform.cmake }}
    - name: Build (CMake)
      id: build
      run: cmake --build build/ --config Release --parallel --verbose
    - name: Run build-time tests
      run: |
        sdl_binpath="${{ steps.sdl.outputs.prefix }}/bin"
        if [ "x${{ runner.os }}" = "xWindows" ]; then
          sdl_binpath="$( cygpath -u "$sdl_binpath" )"
        fi
        echo "sdl_binpath=$sdl_binpath"
        export PATH="$sdl_binpath:$PATH"
        export LD_LIBRARY_PATH="$PWD:$LD_LIBRARY_PATH"
        set -eu

        export SDL_IMAGE_TEST_REQUIRE_LOAD_AVIF=${{ (matrix.platform.noavif && '0') || '1' }}
        export SDL_IMAGE_TEST_REQUIRE_LOAD_BMP=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_CUR=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_GIF=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_ICO=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_JPG=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_JXL=${{ (matrix.platform.nojxl && '0') || '1' }}
        export SDL_IMAGE_TEST_REQUIRE_LOAD_LBM=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_PCX=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_PNG=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_PNM=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_QOI=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_SVG=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_TGA=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_TIF=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_WEBP=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_XPM=1
        export SDL_IMAGE_TEST_REQUIRE_LOAD_XV=1

        export SDL_IMAGE_TEST_REQUIRE_SAVE_JPG=1
        export SDL_IMAGE_TEST_REQUIRE_SAVE_PNG=1

        cd build
        ctest --no-tests=error -VV -C Release
    - name: Install (CMake)
      if: ${{ always() && steps.build.outcome == 'success' }}
      run: |
        set -eu
        rm -fr DESTDIR-cmake
        cmake --install build/ --config Release
        echo "SDL3_image_ROOT=$(pwd)/prefix_cmake" >> $GITHUB_ENV
        ( cd prefix_cmake; find . ) | LC_ALL=C sort -u
    - name: Package (CPack)
      if: ${{ always() && steps.build.outcome == 'success' }}
      run: |
        cmake --build build/ --target package
    - name: Upload artifacts
      if: ${{ failure() }}
      uses: actions/upload-artifact@v4
      with:
        if-no-files-found: ignore
        name: "${{ matrix.platform.artifact }}-failure-artifacts"
        path: |
          build/*.bmp
          build/*.jpg
          build/*.png
          build/CMakeCache.txt
          build/CMakeFiles/*yaml

    - name: Verify CMake configuration files
      run: |
        cmake -S cmake/test -B cmake_config_build \
          -DCMAKE_BUILD_TYPE=Release \
          -DTEST_SHARED=${{ matrix.platform.shared }} \
          -DTEST_STATIC=${{ matrix.platform.static }}
        cmake --build cmake_config_build --verbose
    - uses: actions/upload-artifact@v4
      if: ${{ always() && steps.build.outcome == 'success' }}
      with:
        if-no-files-found: error
        name: ${{ matrix.platform.artifact }}
        path: build/dist/SDL3_image*