macos.yml

name: macOS version

on:
  push:
    branches: [master]
  workflow_dispatch:
  workflow_call:

env:
  SDL3_VER: release-3.4.10
  SDL3_TTF_VER: release-3.2.2
  SDL3_IMAGE_VER: release-3.4.6
  SDL3_MIXER_VER: release-3.2.4
  LUAJIT_REV: v2.1

jobs:
  build:
    name: macOS ${{ matrix.arch }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - { os: macos-15-intel, arch: x86_64, deployment: "10.13" }
          - { os: macos-15, arch: arm64, deployment: "11.0" }

    steps:
      - uses: actions/checkout@v7

      - name: Install Packages
        run: brew install ninja cmake pkg-config

      - name: Cache SDL3
        id: cache-sdl
        uses: actions/cache@v6
        with:
          path: ${{ runner.temp }}/prefix
          key: ${{ runner.os }}-${{ matrix.arch }}-sdl3-${{ env.SDL3_VER }}-${{ env.SDL3_TTF_VER }}-${{ env.SDL3_IMAGE_VER }}-${{ env.SDL3_MIXER_VER }}-${{ matrix.deployment }}

      - name: Build SDL3
        if: steps.cache-sdl.outputs.cache-hit != 'true'
        run: |
          set -e
          PREFIX="$RUNNER_TEMP/prefix"
          build() {
            name="$1"; tag="$2"; shift 2
            git clone --depth 1 --recurse-submodules --shallow-submodules \
              -b "$tag" "https://github.com/libsdl-org/$name.git" "/tmp/$name"
            cmake -S "/tmp/$name" -B "/tmp/$name/build" -G Ninja \
              -DCMAKE_BUILD_TYPE=Release \
              -DCMAKE_INSTALL_PREFIX="$PREFIX" \
              -DCMAKE_INSTALL_RPATH=@executable_path \
              -DCMAKE_OSX_DEPLOYMENT_TARGET="${{ matrix.deployment }}" \
              -DCMAKE_OSX_ARCHITECTURES="${{ matrix.arch }}" "$@"
            cmake --build "/tmp/$name/build"
            cmake --install "/tmp/$name/build"
          }
          build SDL "$SDL3_VER" -DSDL_TESTS=OFF -DSDL_EXAMPLES=OFF
          build SDL_ttf "$SDL3_TTF_VER" -DSDLTTF_VENDORED=ON -DSDLTTF_SAMPLES=OFF -DSDLTTF_PLUTOSVG=OFF
          build SDL_image "$SDL3_IMAGE_VER" -DSDLIMAGE_VENDORED=ON -DSDLIMAGE_SAMPLES=OFF -DSDLIMAGE_TESTS=OFF -DSDLIMAGE_AVIF=OFF -DSDLIMAGE_JXL=OFF -DSDLIMAGE_SVG=OFF
          build SDL_mixer "$SDL3_MIXER_VER" -DSDLMIXER_VENDORED=ON -DSDLMIXER_TESTS=OFF -DSDLMIXER_EXAMPLES=OFF -DSDLMIXER_GME=OFF -DSDLMIXER_MOD=ON -DSDLMIXER_MOD_XMP_SHARED=OFF -DSDLMIXER_MIDI=OFF -DSDLMIXER_WAVPACK=OFF -DSDLMIXER_MP3_MPG123=OFF

      - name: Cache LuaJIT
        id: cache-luajit
        uses: actions/cache@v6
        with:
          path: luajit
          key: ${{ runner.os }}-${{ matrix.arch }}-luajit-${{ env.LUAJIT_REV }}-${{ matrix.deployment }}

      - name: Build LuaJIT
        if: steps.cache-luajit.outputs.cache-hit != 'true'
        env:
          MACOSX_DEPLOYMENT_TARGET: ${{ matrix.deployment }}
        run: |
          set -e
          git clone --depth 1 --branch "$LUAJIT_REV" https://github.com/LuaJIT/LuaJIT.git luajit
          make -C luajit -j"$(sysctl -n hw.ncpu)"

      - name: Configure CMake
        run: |
          cmake -S . -B build -G Ninja \
            -DCMAKE_BUILD_TYPE=Release -DSTANDALONE=1 -DWITH_LUAJIT=1 \
            -DCMAKE_PREFIX_PATH="$RUNNER_TEMP/prefix" \
            -DCMAKE_INSTALL_RPATH=@executable_path \
            -DCMAKE_OSX_DEPLOYMENT_TARGET="${{ matrix.deployment }}" \
            -DCMAKE_OSX_ARCHITECTURES="${{ matrix.arch }}" \
            -DLUA_INCLUDE_DIR="$PWD/luajit/src" \
            -DLUA_LIBRARY="$PWD/luajit/src/libluajit.a"

      - name: Build
        run: cmake --build build

      - name: Prepare runtime
        run: |
          set -e
          cmake --install build
          PREFIX="$RUNNER_TEMP/prefix"
          STAGE=build/standalone
          # the staged binary looks for the SDL libraries next to itself
          cp -a "$PREFIX"/lib/libSDL3*.dylib "$STAGE"/
          LIBS=$(find "$STAGE" -maxdepth 1 -name 'libSDL3*.dylib' ! -type l)
          for f in "$STAGE/sdl-instead" $LIBS; do
            otool -L "$f" | tail -n +2 | awk '{print $1}' | while read -r dep; do
              case "$dep" in
                "$PREFIX"/*)
                  install_name_tool -change "$dep" \
                    "@executable_path/$(basename "$dep")" "$f" ;;
              esac
            done
            codesign --force --sign - "$f"
          done
          echo "== dependencies:"
          otool -L "$STAGE/sdl-instead"
          if otool -L "$STAGE/sdl-instead" "$STAGE"/libSDL3*.dylib | grep -q "$PREFIX"; then
            echo "error: absolute dependencies on the build prefix"
            exit 1
          fi

      - name: Test
        run: ctest --test-dir build --output-on-failure

      - name: Create Artifact
        run: |
          set -e
          VER=$(sed -n 's/^SET(INSTEAD_VERSION "\(.*\)")$/\1/p' CMakeLists.txt)
          APP=INSTEAD.app
          rm -rf "$APP" INSTEAD.icns icon.iconset
          mkdir -p "$APP/Contents/MacOS" "$APP/Contents/Resources"
          cp build/standalone/sdl-instead "$APP/Contents/MacOS/"
          cp -a build/standalone/libSDL3*.dylib "$APP/Contents/MacOS/"
          cp -R build/standalone/stead build/standalone/themes build/standalone/lang \
            build/standalone/icon build/standalone/games "$APP/Contents/Resources/"
          # the engine changes cwd to Contents/Resources, so a bundle just works
          ICON_KEY=""
          mkdir icon.iconset
          for s in 16 32 128 256 512; do
            sips -z $s $s icon/sdl_instead.png --out "icon.iconset/icon_${s}x${s}.png" >/dev/null 2>&1
            sips -z $((s * 2)) $((s * 2)) icon/sdl_instead.png --out "icon.iconset/icon_${s}x${s}@2x.png" >/dev/null 2>&1
          done
          if iconutil -c icns icon.iconset -o INSTEAD.icns 2>/dev/null; then
            cp INSTEAD.icns "$APP/Contents/Resources/"
            ICON_KEY="<key>CFBundleIconFile</key><string>INSTEAD.icns</string>"
          fi
          cat > "$APP/Contents/Info.plist" <<EOF
          <?xml version="1.0" encoding="UTF-8"?>
          <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
          <plist version="1.0">
          <dict>
            <key>CFBundleName</key><string>INSTEAD</string>
            <key>CFBundleDisplayName</key><string>INSTEAD</string>
            <key>CFBundleExecutable</key><string>sdl-instead</string>
            <key>CFBundleIdentifier</key><string>ru.instead.interpreter</string>
            <key>CFBundlePackageType</key><string>APPL</string>
            <key>CFBundleShortVersionString</key><string>$VER</string>
            <key>CFBundleVersion</key><string>$VER</string>
            $ICON_KEY
            <key>LSMinimumSystemVersion</key><string>${{ matrix.deployment }}</string>
            <key>NSHighResolutionCapable</key><true/>
          </dict>
          </plist>
          EOF
          # ad-hoc signature: arm64 binaries are unsigned otherwise and the
          # bundle won't start; users still need to clear the quarantine flag
          codesign --force --deep --sign - "$APP"
          ditto -c -k --sequesterRsrc --keepParent "$APP" "INSTEAD-macos-${{ matrix.arch }}.zip"

      - name: Create DMG
        run: |
          set -e
          APP=INSTEAD.app
          DMG="INSTEAD-macos-${{ matrix.arch }}.dmg"
          rm -rf dmg "$DMG"
          mkdir dmg
          mv "$APP" dmg/
          # drag-and-drop install
          ln -s /Applications dmg/Applications
          # HFS+ so the image mounts on the deployment target too
          hdiutil create -volname "INSTEAD" -fs HFS+ -srcfolder dmg -ov \
            -format UDZO "$DMG"
          hdiutil verify "$DMG"
          mkdir -p "$RUNNER_TEMP/dmg-mount"
          hdiutil attach "$DMG" -nobrowse -readonly \
            -mountpoint "$RUNNER_TEMP/dmg-mount"
          ls -la "$RUNNER_TEMP/dmg-mount"
          test -d "$RUNNER_TEMP/dmg-mount/INSTEAD.app"
          test -L "$RUNNER_TEMP/dmg-mount/Applications"
          codesign --verify --deep --strict "$RUNNER_TEMP/dmg-mount/INSTEAD.app"
          hdiutil detach "$RUNNER_TEMP/dmg-mount"

      - name: Publish Artifact
        uses: actions/upload-artifact@v7
        with:
          name: instead-macos-${{ matrix.arch }}
          path: |
            INSTEAD-macos-${{ matrix.arch }}.zip
            INSTEAD-macos-${{ matrix.arch }}.dmg
          retention-days: 1