buildLinux.yml

name: Build Linux

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
      extra-choco-packages:
        required: false
        type: string
        default: ''
      clang-version:
        required: true
        type: string
jobs:
  build:
    runs-on: ${{ inputs.runner-label }}
    steps:
      - name: Display system info
        run: |
          sudo swapon --show
          cat /proc/meminfo
          apt list --installed
          sudo dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n
          sudo snap list
      - name: Removed unneeded packages to gain disk space
        run: |
          sudo apt update
          sudo apt remove google-chrome-stable clang-13 clang-14 clang-15 llvm-13-dev llvm-13-linker-tools llvm-13-runtime llvm-13-tools llvm-13 llvm-14-dev llvm-14-linker-tools llvm-14-runtime llvm-14-tools llvm-14 llvm-15-dev llvm-15-linker-tools llvm-15-runtime llvm-15-tools llvm-15 x11-common xserver-common aspnetcore-runtime-6.0 aspnetcore-runtime-7.0 aspnetcore-runtime-8.0 aspnetcore-targeting-pack-6.0 aspnetcore-targeting-pack-7.0 aspnetcore-targeting-pack-8.0 docker-ce-cli docker-ce dotnet-apphost-pack-6.0 dotnet-apphost-pack-7.0 dotnet-apphost-pack-8.0 dotnet-host dotnet-hostfxr-6.0 dotnet-hostfxr-7.0 dotnet-hostfxr-8.0 dotnet-runtime-6.0 dotnet-runtime-7.0 dotnet-runtime-8.0 dotnet-runtime-deps-6.0 dotnet-runtime-deps-7.0 dotnet-runtime-deps-8.0 dotnet-sdk-6.0 dotnet-sdk-7.0 dotnet-sdk-8.0 dotnet-targeting-pack-6.0 dotnet-targeting-pack-7.0 dotnet-targeting-pack-8.0 eatmydata emacsen-common firebird3.0-common-doc firebird3.0-common firefox kubectl mercurial-common mercurial microsoft-edge-stable mssql-tools mysql-client-8.0 mysql-client-core-8.0 mysql-client mysql-common mysql-server-8.0 php8.1 postgresql-14 azure-cli microsoft-edge-stable google-cloud-cli temurin-21-jdk temurin-17-jdk temurin-11-jdk temurin-8-jdk powershell google-cloud-cli-anthoscli mysql-server-core-8.0 containerd.io libllvm15 libllvm14 libllvm13 mono-devel libclang-common-15-dev libclang-common-14-dev libclang-common-13-dev
          df -h
      - name: Create some space to work in /mnt
        run: |
          sudo mkdir /mnt/work
          sudo chown $(whoami) /mnt/work
      - 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-linux
        with:
          unreal-engine-zip: ${{ inputs.unreal-engine-zip }}
          unreal-program-name: ${{ inputs.unreal-program-name }}
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
      - name: Install nasm
        uses: ilammy/setup-nasm@v1.5.1
      - name: Install Ninja and patchelf
        run: |
          sudo apt install -y ninja-build patchelf
      - name: Set environment variables
        run: |
          echo "CESIUM_UNREAL_VERSION=$GITHUB_REF_NAME" >> "$GITHUB_ENV"
          echo "BUILD_CESIUM_UNREAL_PACKAGE_NAME=${{ inputs.upload-package-base-name }}-$GITHUB_REF_NAME" >> "$GITHUB_ENV"
          echo "UNREAL_ENGINE_ROOT=/mnt/work/${{ inputs.unreal-program-name }}" >> "$GITHUB_ENV"
          echo "LINUX_MULTIARCH_ROOT=/mnt/work/${{ inputs.unreal-program-name }}/Engine/Extras/ThirdPartyNotUE/SDKs/HostLinux/Linux_x64/${{ inputs.clang-version }}/" >> "$GITHUB_ENV"
      - name: Build cesium-native
        run: |
          export UNREAL_ENGINE_COMPILER_DIR="${LINUX_MULTIARCH_ROOT}x86_64-unknown-linux-gnu"
          export UNREAL_ENGINE_LIBCXX_DIR="${UNREAL_ENGINE_ROOT}/Engine/Source/ThirdParty/Unix/LibCxx"
          export CESIUM_VCPKG_RELEASE_ONLY=TRUE
          cd extern
          cmake -B build -S . -G Ninja -DCMAKE_TOOLCHAIN_FILE="unreal-linux-toolchain.cmake" -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_BUILD_TYPE=Release
          cmake --build build --config Release --target install -j8
          cd ..
          rm -rf extern
      - name: Make more swap space available
        run: |
          sudo swapoff -a
          sudo fallocate -l 10G /mnt/swapfile
          sudo chmod 600 /mnt/swapfile
          sudo mkswap /mnt/swapfile
          sudo swapon /mnt/swapfile
          sudo swapon --show
      - name: Customize BuildConfiguration.xml
        run: |
          mkdir -p ~/.config/Unreal\ Engine/UnrealBuildTool
          # - We limit parallel actions because our builds use a lot more memory than UBT thinks they will.
          # - We set the source code control Provider to None so UBT includes all files in the unity build.
          printf '<?xml version="1.0" encoding="utf-8" ?>\n<Configuration xmlns="https://www.unrealengine.com/BuildConfiguration">\n    <BuildConfiguration>\n      <MaxParallelActions>2</MaxParallelActions>\n    </BuildConfiguration>\n    <SourceFileWorkingSet><Provider>None</Provider></SourceFileWorkingSet>\n</Configuration>\n' > ~/.config/Unreal\ Engine/UnrealBuildTool/BuildConfiguration.xml
      - name: Build plugin
        run: |
          sed -i 's/\"EngineVersion\": \"5.3.0\"/\"EngineVersion\": \"${{ inputs.unreal-engine-version }}\"/g' CesiumForUnreal.uplugin
          cd $UNREAL_ENGINE_ROOT/Engine/Build/BatchFiles
          ./RunUAT.sh BuildPlugin -Plugin="$GITHUB_WORKSPACE/CesiumForUnreal.uplugin" -Package="$GITHUB_WORKSPACE/packages/CesiumForUnreal" -CreateSubFolder -TargetPlatforms=Linux
      - name: Fix RPATH
        run: |
          cd $GITHUB_WORKSPACE/packages/CesiumForUnreal/Binaries/Linux
          patchelf --print-rpath libUnrealEditor-CesiumRuntime.so
          export UPDATED_RPATH=`patchelf --print-rpath libUnrealEditor-CesiumRuntime.so | sed 's/${ORIGIN}[^:]*\/SunPosition\/Binaries\/Linux/${ORIGIN}\/..\/..\/..\/..\/Runtime\/SunPosition\/Binaries\/Linux/'`
          patchelf --force-rpath --set-rpath "$UPDATED_RPATH" libUnrealEditor-CesiumRuntime.so
      - name: Print disk space free
        run: |
          df -h
      - name: Publish plugin package artifact
        if: ${{ success() }}
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.BUILD_CESIUM_UNREAL_PACKAGE_NAME}}
          path: packages