buildApple.yml

name: Build macOS

on:
  workflow_call:
    inputs:
      runner-label:
        required: true
        type: string
      unreal-engine-version:
        required: true
        type: string
      unreal-engine-zip:
        required: true
        type: string
      unreal-program-name:
        required: true
        type: string
      upload-package-base-name:
        required: true
        type: string
      xcode-version:
        required: true
        type: string
jobs:
  build:
    runs-on: ${{ inputs.runner-label }}
    steps:
      - name: Customize BuildConfiguration.xml
        run: |
          mkdir -p ~/.config/Unreal\ Engine/UnrealBuildTool
          # - We limit parallel actions because our builds use a lot more memory than UBT thinks they will.
          # - We set the source code control Provider to None so UBT includes all files in the unity build.
          printf '<?xml version="1.0" encoding="utf-8" ?>\n<Configuration xmlns="https://www.unrealengine.com/BuildConfiguration">\n    <BuildConfiguration>\n      <MaxParallelActions>2</MaxParallelActions>\n    </BuildConfiguration>\n    <SourceFileWorkingSet><Provider>None</Provider></SourceFileWorkingSet>\n</Configuration>\n' > ~/.config/Unreal\ Engine/UnrealBuildTool/BuildConfiguration.xml
          # In UE 5.5, UBT apparently loads from ~/Documents instead of ~/.config
          mkdir -p ~/Documents/Unreal\ Engine/UnrealBuildTool
          cp ~/.config/Unreal\ Engine/UnrealBuildTool/BuildConfiguration.xml ~/Documents/Unreal\ Engine/UnrealBuildTool/BuildConfiguration.xml
      - name: Make some more disk space
        run: |
          df -h
          ls /Applications
          brew uninstall google-chrome
          sudo rm -rf /Users/runner/Library/Android
          sudo rm -rf /Applications/Xcode_14.3.app
          sudo rm -rf /Applications/Xcode_14.3.1.app
          sudo rm -rf /Applications/Xcode_15.0.1.app
          sudo rm -rf /Applications/Xcode_15.0.app
          sudo rm -rf /Applications/Xcode_15.1.0.app
          sudo rm -rf /Applications/Xcode_15.1.app
          sudo rm -rf /Applications/Xcode_15.2.0.app
          sudo rm -rf /Applications/Xcode_15.2.app
          sudo rm -rf /Applications/Xcode_15.3.0.app
          sudo rm -rf /Applications/Xcode_15.3.app
          sudo rm -rf /Applications/Xcode_16.0.0.app
          sudo rm -rf /Applications/Xcode_16.0.app
          sudo rm -rf /Applications/Xcode_16.1.0.app
          sudo rm -rf /Applications/Xcode_16.1.app
          sudo rm -rf /Applications/Xcode_16.1_beta.app
          sudo rm -rf /Applications/Xcode_16_beta_6.app
          ls /Applications
          df -h
      - name: Set XCode version
        uses: maxim-lobanov/setup-xcode@v1
        with:
          xcode-version: "${{ inputs.xcode-version }}"
      - name: Check out repository code
        uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: Configure vcpkg caching
        uses: ./.github/actions/vcpkg-cache
        with:
          id: ${{ inputs.upload-package-base-name }}
      - name: Install Unreal Engine
        uses: ./.github/actions/install-unreal-macos
        with:
          unreal-engine-zip: ${{ inputs.unreal-engine-zip }}
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          unreal-program-name: ${{ inputs.unreal-program-name }}
      - name: Set environment variables
        run: |
          export CESIUM_UNREAL_VERSION=$GITHUB_REF_NAME
          export BUILD_CESIUM_UNREAL_PACKAGE_NAME="${{ inputs.upload-package-base-name }}-${CESIUM_UNREAL_VERSION}"
          # Make these available to subsequent steps
          echo "CESIUM_UNREAL_VERSION=${CESIUM_UNREAL_VERSION}" >> $GITHUB_ENV
          echo "BUILD_CESIUM_UNREAL_PACKAGE_NAME=${BUILD_CESIUM_UNREAL_PACKAGE_NAME}" >> $GITHUB_ENV
      - name: Install nasm
        uses: ilammy/setup-nasm@v1.5.1
      - name: Build cesium-native for macOS ARM64
        run: |
          export UNREAL_ENGINE_ROOT=$HOME/${{ inputs.unreal-program-name }}
          export CESIUM_VCPKG_RELEASE_ONLY=TRUE
          mkdir -p extern/build-arm64
          cd extern/build-arm64
          cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 -DCMAKE_OSX_ARCHITECTURES=arm64 -DCMAKE_SYSTEM_NAME=Darwin -DCMAKE_SYSTEM_PROCESSOR=arm64
          cmake --build . -j4 --target install
      - name: Build cesium-native for macOS x86_64
        run: |
          export UNREAL_ENGINE_ROOT=$HOME/${{ inputs.unreal-program-name }}
          export CESIUM_VCPKG_RELEASE_ONLY=TRUE
          mkdir -p extern/build-x64
          cd extern/build-x64
          cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 -DCMAKE_OSX_ARCHITECTURES=x86_64 -DCMAKE_SYSTEM_NAME=Darwin -DCMAKE_SYSTEM_PROCESSOR=x86_64
          cmake --build . -j4 --target install
      - name: Create universal macOS libs for cesium-native
        run: |
          mkdir -p ${GITHUB_WORKSPACE}/Source/ThirdParty/lib/Darwin-universal-Release
          for f in ${GITHUB_WORKSPACE}/Source/ThirdParty/lib/Darwin-x86_64-Release/*.a
          do
            arm64f=${GITHUB_WORKSPACE}/Source/ThirdParty/lib/Darwin-arm64-Release/$(basename -- $f)
            x64f=${GITHUB_WORKSPACE}/Source/ThirdParty/lib/Darwin-x86_64-Release/$(basename -- $f)
            universalf=${GITHUB_WORKSPACE}/Source/ThirdParty/lib/Darwin-universal-Release/$(basename -- $f)
            if diff $arm64f $x64f; then
              # arm64 and x64 files are identical, so just copy one to the universal directory.
              cp $arm64f $universalf
            else
              lipo -create -output $universalf $arm64f $x64f
            fi
          done
          rm -rf ${GITHUB_WORKSPACE}/Source/ThirdParty/lib/Darwin-x86_64-Release
          rm -rf ${GITHUB_WORKSPACE}/Source/ThirdParty/lib/Darwin-arm64-Release
      - name: Build cesium-native for iOS
        run: |
          mkdir -p extern/build-ios
          cd extern
          export UNREAL_ENGINE_ROOT=$HOME/${{ inputs.unreal-program-name }}
          export CESIUM_VCPKG_RELEASE_ONLY=TRUE
          cmake -B build-ios -S . -GXcode -DCMAKE_TOOLCHAIN_FILE="unreal-ios-toolchain.cmake" -DCMAKE_BUILD_TYPE=Release
          cmake --build build-ios -j4 --target install --config Release
      - name: Remove extern directory
        run: |
          rm -rf extern
      - name: Build plugin for macOS and iOS
        run: |
          sed -i '' 's/\"EngineVersion\": \"5.3.0\"/\"EngineVersion\": \"${{ inputs.unreal-engine-version }}\"/g' CesiumForUnreal.uplugin
          export UNREAL_ENGINE_DIR=$HOME/${{ inputs.unreal-program-name }}
          cd $UNREAL_ENGINE_DIR/Engine/Build/BatchFiles
          ./RunUAT.sh BuildPlugin -Plugin="$GITHUB_WORKSPACE/CesiumForUnreal.uplugin" -Package="$GITHUB_WORKSPACE/packages/CesiumForUnreal" -CreateSubFolder -TargetPlatforms=Mac+iOS -Architecture_Mac=arm64+x64
      - name: Print log
        if: ${{ failure() }}
        run: |
          cat "/Users/runner/Library/Logs/Unreal Engine/LocalBuildLogs/UBT-UnrealEditor-Mac-Development.txt"
      - name: Publish plugin package artifact
        if: ${{ success() }}
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.BUILD_CESIUM_UNREAL_PACKAGE_NAME}}
          path: packages