XPMP2

Building XPMP2 and the Sample Plugin

The XPMP2 Library and the [XPMP2-Sample plugin]/https://github.com/TwinFan/XPMP2-Sample) are now two separate GitHub repositories.

It is recommended that you include XPMP2 as a submodule in your project.

The XPMP2-Sample repo is configured as a Public Template, so you can immediately base your own project on it. Please note that XPMP2-Sample includes XPMP2 as a submodule, so you need to checkout those, too, e.g. on the command line by doing

git clone --recurse-submodules https://github.com/TwinFan/XPMP2-Sample

Build options

Both repositories share many similarities when it comes to building. There are four options to build from sources:

Options	Windows	MacOS (universal)	Linux
IDE	Visual Studio 2022	XCode 12	-
Docker	Mingw64	clang, SDK 12	Focal and Bionic
CMake	VS 2022 / NMAKE	XCode 12 / ninja	Focal and Bionic / ninja
Github Actions	Visual Studio 2022	XCode 12	Focal

Using an IDE

Windows

• Install Visual Studio
• Open the root folder of the repo using “File > Open > Folder”, see here for VS’s “Open Folder” functionality)
• VS use the CMake setup to configure building the binaries.
• Build from within Visual Studio.

Results are in build-win.

MacOS

My development environment is Mac OS, so expect the XCode environment to be maintained best. Open XPMP2.xcodeproj resp. XPMP2-Sample.xcodeproj in XCode.

In the XPMP2-Sample XCode Build Settings you may want to change the definition of the User-Defined build macro XPLANE11_ROOT: Put in the path to your X-Plane 11 installation’s root path, then the XPMP2 binaries will be installed right there in the appropriate Resources/plugins sub-folder structure.

Using Docker

Docker environments based on Ubuntu 20.04 and 18.04 are used, which can build all 3 platforms, Linux even in two flavors.

• Install Docker Desktop and start it.
• cd to the project’s docker folder, and enter make for all XPMP2 library targets on all platforms.

The following make targets are available:

• lin builds Linux on Ubuntu 20.04
• lin-bionic builds Linux on Ubuntu 18.04
• mac-arm builds MacOS for Apple Silicon using clang as cross compiler
• mac-x86 builds MacOS for x86 using clang as cross compiler
• mac builds mac-arm and mac-x86 and then combines the results into a univeral binary
• win builds Windows using a Mingw64 cross compiler setup
• bash_focal starts a bash prompt in the Ubuntu 20.04 docker container
• bash_bionic starts a bash prompt in the Ubuntu 18.04 docker container
• doc builds the documentation based on Doxygen, will probably only work on a Mac with Doxygen provided in Applications/Doxygen.app
• clean removes all build-<platform> folders

Find results in the respective build-<platform> folder, the XPMP2 library right there, the Sample plugins in their proper <platform>_x64 subfolder.

For more details and background information on the provided Docker environments see the docker/README.md.

Using CMake

Given a proper local setup with a suitable compiler, CMake, and Ninja installed, you can just locally build the sources from the CMakeList.txt file, e.g. like this:

mkdir build
cd build
cmake -G Ninja ..
ninja

This is precicely how the Mac and Linux builds are done in Github Actions.

Using Gitub Actions

The GitHub workflow .github/workflows/build.yml builds the plugin in GitHubs CD/CI environment. build.yml calls a number of custom composite actions available in .github/actions, each coming with its own README.md.

The workflow builds Linux, MacOS, and Windows plugin binaries and provides them as artifacts, so you can download the result from the Actions tab on GitHub.

Apple: Sign and Notiarize

The Apple build of the XPMP2-Sample plugin can be signed and notarized, provided that the following Repository Secrets are defined in the repository’s settings (Settings > Secrets > Actions):

• MACOS_CERTIFICATE: Base64-encoded .p12 certificate as explained here
• MACOS_CERT_PWD: The password for the above .p12 certificate file export
• NOTARIZATION_USERNAME: Apple ID for notarization service (parameter --apple-id to notarytool)
• NOTARIZATION_TEAM: Team ID for notarization service (parameter --team-id to notarytool)
• NOTARIZATION_PASSWORD: App-specific password for notarization service (parameter --password to notarytool)

Including XPMP2 directly in GitHub project and CMake builds

You can avoid separate builds and instead include XPMP2 directly into your project. Recommended steps are:

1. Include XPMP2 as a Github Submodule into your Github project, using something like

    git submodule add --name XPMP2 'https://github.com/TwinFan/XPMP2' lib/XPMP2
   

   To update your local version with changes from the XPMP2 repository run something like

    git submodule update --remote
   

2. In your CMakeLists.txt file include XPMP2 using something like the following in appropriate places:
   1. If needing FMOD sound support first define

       set (INCLUDE_FMOD_SOUND 1)              
       add_compile_definitions(INCLUDE_FMOD_SOUND=1)
       include_directories("${CMAKE_CURRENT_SOURCE_DIR}/lib/XPMP2/lib/fmod/logo")
       target_sources(${CMAKE_PROJECT_NAME} lib/XPMP2/lib/fmod/logo/FMOD_Logo.cpp)
      

   2. Including building XPMP2 as follows:

       include_directories("${CMAKE_CURRENT_SOURCE_DIR}/lib/XPMP2/inc")
       add_subdirectory(lib/XPMP2)
       add_dependencies(${CMAKE_PROJECT_NAME} XPMP2)
       target_link_libraries(${CMAKE_PROJECT_NAME} XPMP2)
      

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