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 (mingw32),        os: windows-latest, shell: 'msys2 {0}', msystem: mingw32, msys-env: mingw-w64-i686 }
        - { name: Windows (mingw64),        os: windows-latest, shell: 'msys2 {0}', msystem: mingw64, msys-env: mingw-w64-x86_64 }
        - { name: Windows (clang32),        os: windows-latest, shell: 'msys2 {0}', msystem: clang32, msys-env: mingw-w64-clang-i686 }
        - { name: Windows (clang64),        os: windows-latest, shell: 'msys2 {0}', msystem: clang64, msys-env: mingw-w64-clang-x86_64 }
        - { name: Windows (ucrt64),         os: windows-latest, shell: 'msys2 {0}', msystem: ucrt64,  msys-env: mingw-w64-ucrt-x86_64 }
        - { name: Ubuntu 20.04 (CMake),     os: ubuntu-20.04,   shell: sh }
        - { name: Ubuntu 20.04 (autotools), os: ubuntu-20.04,   shell: sh,    autotools: true }
        - { name: Ubuntu 22.04 (CMake),     os: ubuntu-22.04,   shell: sh }
        - { name: Ubuntu 22.04 (autotools), os: ubuntu-22.04,   shell: sh,    autotools: true }
        - { name: MacOS (CMake),            os: macos-latest,   shell: sh,    cmake: '-DCMAKE_OSX_ARCHITECTURES="x86_64;arm64"' }
        - { name: MacOS (autotools),        os: macos-latest,   shell: sh,    autotools: true }

    steps:
    - name: Set up MSYS2
      if: matrix.platform.shell == 'msys2 {0}'
      uses: msys2/setup-msys2@v2
      with:
        msystem: ${{ matrix.platform.msystem }}
        install: >-
          ${{ matrix.platform.msys-env }}-cc
          ${{ matrix.platform.msys-env }}-cmake
          ${{ matrix.platform.msys-env }}-ninja
          ${{ matrix.platform.msys-env }}-pkg-config

    - name: Setup Linux dependencies
      if: runner.os == 'Linux'
      run: |
        sudo apt-get update
        sudo apt-get install build-essential git make autoconf automake libtool \
            pkg-config cmake ninja-build gnome-desktop-testing libasound2-dev libpulse-dev \
            libaudio-dev libjack-dev libsndio-dev libsamplerate0-dev libx11-dev libxext-dev \
            libxrandr-dev libxcursor-dev libxfixes-dev libxi-dev libxss-dev libwayland-dev \
            libxkbcommon-dev libdrm-dev libgbm-dev libgl1-mesa-dev libgles2-mesa-dev \
            libegl1-mesa-dev libdbus-1-dev libibus-1.0-dev libudev-dev fcitx-libs-dev

    - name: Setup extra Ubuntu 22.04 dependencies
      if: matrix.platform.os == 'ubuntu-22.04'
      run: |
        sudo apt-get install libpipewire-0.3-dev libdecor-0-dev

    - name: Setup Macos dependencies
      if: runner.os == 'macOS'
      run: |
        brew install \
          ninja
    - uses: actions/checkout@v3
    - name: Check that versioning is consistent
      # We only need to run this once: arbitrarily use the Linux/CMake build
      if: "runner.os == 'Linux' && ! matrix.platform.autotools"
      run: ./build-scripts/test-versioning.sh
    - name: Configure (CMake)
      if: "! matrix.platform.autotools"
      run: |
        cmake -S . -B build -G Ninja \
        -DSDL_TESTS=ON \
        -DSDL_WERROR=ON \
        -DSDL_INSTALL_TESTS=ON \
        -DSDL_VENDOR_INFO="Github Workflow" \
        -DCMAKE_INSTALL_PREFIX=cmake_prefix \
        -DCMAKE_BUILD_TYPE=Release \
        ${{ matrix.platform.cmake }}
    - name: Build (CMake)
      if: "! matrix.platform.autotools"
      run: |
        cmake --build build/ --config Release --verbose --parallel
    - name: Run build-time tests (CMake)
      if: "! matrix.platform.autotools"
      run: |
        set -eu
        export SDL_TESTS_QUICK=1
        ctest -VV --test-dir build/
        if test "${{ runner.os }}" = "Linux"; then
          # This should show us the SDL_REVISION
          strings build/libSDL2-2.0.so.0 | grep SDL-
        fi
    - name: Install (CMake)
      if: "! matrix.platform.autotools"
      run: |
        set -eu
        cmake --install build/ --config Release
        echo "SDL2_DIR=$(pwd)/cmake_prefix" >> $GITHUB_ENV
        ( cd cmake_prefix; find ) | LC_ALL=C sort -u
    - name: Configure (Autotools)
      if: matrix.platform.autotools
      run: |
        set -eu
        rm -fr build-autotools
        mkdir build-autotools
        ./autogen.sh
        (
          cd build-autotools
          ${{ github.workspace }}/configure \
            --enable-vendor-info="Github Workflow" \
            --enable-werror \
            --prefix=${{ github.workspace }}/autotools_prefix \
        )
        if test "${{ runner.os }}" != "macOS" ; then
          curdir="$(pwd)"
          multiarch="$(dpkg-architecture -qDEB_HOST_MULTIARCH)"
          (
            mkdir -p build-autotools/test
            cd build-autotools/test
            ${{ github.workspace }}/test/configure \
              --enable-werror \
              --x-includes=/usr/include \
              --x-libraries="/usr/lib/${multiarch}" \
              --prefix=${{ github.workspace }}/autotools_prefix \
              SDL_CFLAGS="-I${curdir}/include" \
              SDL_LIBS="-L${curdir}/build-autotools/build/.libs -lSDL2" \
              ac_cv_lib_SDL2_ttf_TTF_Init=no \
              ${NULL+}
          )
        fi
    - name: Build (Autotools)
      if: matrix.platform.autotools
      run: |
        set -eu
        parallel="$(getconf _NPROCESSORS_ONLN)"
        make -j"${parallel}" -C build-autotools V=1
        if test "${{ runner.os }}" != "macOS" ; then
          make -j"${parallel}" -C build-autotools/test V=1
        fi
    - name: Run build-time tests (Autotools)
      if: ${{ matrix.platform.autotools && (runner.os != 'macOS') }}
      run: |
        set -eu
        curdir="$(pwd)"
        parallel="$(getconf _NPROCESSORS_ONLN)"
        export SDL_TESTS_QUICK=1
        make -j"${parallel}" -C build-autotools/test check LD_LIBRARY_PATH="${curdir}/build-autotools/build/.libs"
        if test "${{ runner.os }}" = "Linux"; then
          # This should show us the SDL_REVISION
          strings "${curdir}/build-autotools/build/.libs/libSDL2-2.0.so.0" | grep SDL-
        fi
    - name: Install (Autotools)
      if: matrix.platform.autotools
      run: |
        set -eu
        curdir="$(pwd)"
        parallel="$(getconf _NPROCESSORS_ONLN)"
        make -j"${parallel}" -C build-autotools install V=1
        if test "${{ runner.os }}" != "macOS" ; then
          make -j"${parallel}" -C build-autotools/test install V=1
        fi
        ( cd autotools_prefix; find . ) | LC_ALL=C sort -u
        echo "SDL2_DIR=$(pwd)/autotools_prefix" >> $GITHUB_ENV
    - name: Verify CMake configuration files
      run: |
        cmake -S cmake/test -B cmake_config_build -G Ninja \
          -DCMAKE_BUILD_TYPE=Release \
          -DCMAKE_PREFIX_PATH=${{ env.SDL2_DIR }}
        cmake --build cmake_config_build --verbose
    - name: Verify sdl2-config
      run: |
        export PATH=${{ env.SDL2_DIR }}/bin:$PATH
        cmake/test/test_sdlconfig.sh
    - name: Verify sdl2.pc
      run: |
        export PKG_CONFIG_PATH=${{ env.SDL2_DIR }}/lib/pkgconfig
        cmake/test/test_pkgconfig.sh
    - name: Distcheck (Autotools)
      if: matrix.platform.autotools
      run: |
        set -eu
        parallel="$(getconf _NPROCESSORS_ONLN)"
        make -j"${parallel}" -C build-autotools dist V=1
        # Similar to Automake `make distcheck`: check that the tarball
        # release is sufficient to do a new build
        mkdir distcheck
        tar -C distcheck -zxf build-autotools/SDL2-*.tar.gz
        ( cd distcheck/SDL2-* && ./configure )
        make -j"${parallel}" -C distcheck/SDL2-*
    - name: Run installed-tests (Autotools)
      if: "runner.os == 'Linux' && matrix.platform.autotools"
      run: |
        set -eu
        parallel="$(getconf _NPROCESSORS_ONLN)"
        sudo make -j"${parallel}" -C build-autotools install
        sudo make -j"${parallel}" -C build-autotools/test install
        export SDL_TESTS_QUICK=1
        # We need to set LD_LIBRARY_PATH because it isn't in the default
        # linker search path. We don't need to set XDG_DATA_DIRS for
        # ginsttest-runner, because /usr/local/share *is* in the default
        # search path for that.
        env --chdir=/ \
            LD_LIBRARY_PATH=/usr/local/lib \
            SDL_AUDIODRIVER=dummy \
            SDL_VIDEODRIVER=dummy \
            ginsttest-runner --tap SDL2
