libprotobuf for Unreal Engine 4
Link the google's protocol bufffers library as the third party in Unreal Engine 4.
- Protobuf: 3.19.0
- Unreal Engine 4: 4.27.1
- Import or copy the folder
libprotobufinto<your project>/Source/ThirdParty/libprotobuf. - Add the libprotobuf as a module into
<your project>.Build.cs
PrivateDependencyModuleNames.AddRange(new string[] { "libprotobuf" });- Compile the proto files for Unreal Engine 4 by
generate_for_ue4.py.python generate_for_ue4.py --proto_input <proto_file_or_path> --cpp_out <output_path>- ex:
python generate_for_ue4.py --proto_input Message.proto --cpp_out d:\Prject\Source\ProtoFiles
- Include and use the header file(ex: Message.pb.h) in your
.cppfile.
Apply the patch first
cd <prj_root>\protobuf-source
git apply ..\build\patch\diff-base-on-3.19.0.diff
Visual Studio 2019 and CMake are required
cd <prj_root>/build
mkdir _win64 & cd _win64
cmake -G "Visual Studio 16 2019" -A x64 ..\..\protobuf-source\cmake ^
-DCMAKE_INSTALL_PREFIX=_install ^
-DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded$<$<CONFIG:Debug>:Debug>DLL" ^
-Dprotobuf_BUILD_TESTS=false -Dprotobuf_WITH_ZLIB=false ^
-Dprotobuf_MSVC_STATIC_RUNTIME=false
cmake --build . --target install --config Release
Clang cross-compile toolchain, Ninja and Unreal Engine Source Code are required
cd <prj_root>/build
mkdir _linux & cd _linux
cmake -G "Ninja" ..\..\protobuf-source\cmake ^
-DCMAKE_MAKE_PROGRAM=<ninja_install_path>\ninja.exe ^
-DCMAKE_TOOLCHAIN_FILE="..\linux\ue4-linux-cross-compile.cmake" ^
-DCMAKE_INSTALL_PREFIX=_install ^
-DUE4_ENGINE_PATH=<ue4_source_path>\Engine ^
-Dprotobuf_BUILD_TESTS=false -Dprotobuf_WITH_ZLIB=false ^
-Dprotobuf_BUILD_EXAMPLES=false ^
-Dprotobuf_BUILD_PROTOC_BINARIES=false -Dprotobuf_BUILD_LIBPROTOC=false
cmake --build . --target install --config Release
Android Studio is required. And you need install other additional sdk and tools through SDK Manager.
- Android NDK: r21b(21.4.7075529)
- Android SDK Build-Tools: 28.0.3
- Android SDK Command-line Tools
- CMake
Obtaining the correct component version is important. you can get the version info from this file: Engine\Extras\Android\SetupAndroid.bat
cd <prj_root>/build
mkdir _android & cd _android
"%ANDROID_HOME%\cmake\X.XX.X\bin\cmake.exe" -G "Ninja" ..\..\protobuf-source\cmake ^
-DCMAKE_INSTALL_PREFIX=_install ^
-DCMAKE_TOOLCHAIN_FILE="%NDK_ROOT%\build\cmake\android.toolchain.cmake" ^
-DCMAKE_MAKE_PROGRAM=%ANDROID_HOME%\cmake\X.XX.X\bin\ninja.exe ^
-Dprotobuf_BUILD_TESTS=false -Dprotobuf_WITH_ZLIB=false ^
-Dprotobuf_BUILD_EXAMPLES=false ^
-Dprotobuf_BUILD_PROTOC_BINARIES=false -Dprotobuf_BUILD_LIBPROTOC=false
"%ANDROID_HOME%\cmake\X.XX.X\bin\cmake.exe" --build . --target install --config Release
PS4 SDK(Orbis) is required.
cd <prj_root>/build
mkdir _ps4 & cd _ps4
"%SCE_ROOT_DIR%\ORBIS\Tools\CMake\PS4CMake.bat" ..\..\protobuf-source\cmake ^
-DCMAKE_INSTALL_PREFIX=_install ^
-Dprotobuf_BUILD_TESTS=false -Dprotobuf_WITH_ZLIB=false ^
-Dprotobuf_BUILD_EXAMPLES=false ^
-Dprotobuf_BUILD_PROTOC_BINARIES=false -Dprotobuf_BUILD_LIBPROTOC=false ^
-Dprotobuf_DISABLE_RTTI=true
cmake --build . --target install --config Release
PS5 SDK(Prospero) is required.
cd <prj_root>/build
mkdir _ps5 & cd _ps5
"%SCE_ROOT_DIR%\Prospero\Tools\CMake\PS5CMake.bat" ..\..\protobuf-source\cmake ^
-DCMAKE_INSTALL_PREFIX=_install ^
-Dprotobuf_BUILD_TESTS=false -Dprotobuf_WITH_ZLIB=false ^
-Dprotobuf_BUILD_EXAMPLES=false ^
-Dprotobuf_BUILD_PROTOC_BINARIES=false -Dprotobuf_BUILD_LIBPROTOC=false ^
-Dprotobuf_DISABLE_RTTI=true
cmake --build . --target install --config Release
Xcode and CMake are required.
cd <prj_root>/build
mkdir _mac && cd _mac
cmake -G "Unix Makefiles" ../../protobuf-source/cmake \
-DCMAKE_INSTALL_PREFIX=./_install \
-Dprotobuf_BUILD_TESTS=false -Dprotobuf_WITH_ZLIB=false \
-Dprotobuf_BUILD_EXAMPLES=false \
-Dprotobuf_BUILD_PROTOC_BINARIES=false -Dprotobuf_BUILD_LIBPROTOC=false \
-DCMAKE_OSX_DEPLOYMENT_TARGET=10.14
cmake --build . --target install --config Release
Xcode and CMake are required.
cd <prj_root>/build
mkdir _ios && cd _ios
cmake -G "Unix Makefiles" ../../protobuf-source/cmake \
-DCMAKE_INSTALL_PREFIX=./_install \
-DCMAKE_TOOLCHAIN_FILE=../ios/ios.toolchain.cmake -DPLATFORM=OS64 \
-Dprotobuf_BUILD_TESTS=false -Dprotobuf_WITH_ZLIB=false \
-Dprotobuf_BUILD_EXAMPLES=false \
-Dprotobuf_BUILD_PROTOC_BINARIES=false -Dprotobuf_BUILD_LIBPROTOC=false
cmake --build . --target install --config Release
Use The MIT License.
- https://github.com/code4game/libprotobuf
- https://unrealcommunity.wiki/standalone-dedicated-server-i5qjfc27
- https://unrealcommunity.wiki/linking-static-libraries-using-the-build-system-1ahhe4vt
- https://unrealcommunity.wiki/compiling-for-linux-nutp04d0
- https://docs.unrealengine.com/4.27/en-US/SharingAndReleasing/Linux/
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