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README-macOS.md

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Building on macOS

Required:

Building dependencies for Universal

I've found that using CMake makes building universal binaries on macOS a lot easier.

Here's the process for dependencies that use CMake:

cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES="x86_64;arm64" -DCMAKE_OSX_DEPLOYMENT_TARGET="10.15" -DBUILD_SHARED_LIBS=ON -DCMAKE_FIND_FRAMEWORK=LAST
cmake --build build --config Release -j8
sudo cmake --install build

This will build + install a CMake project as a Universal binary. It's important that every dependency in the chain be universal for this to work, otherwise you will get linking errors.

Some notes:

  • When compiling Hashlink, you may need to disable uv and ssl as these are not needed by MBHaxe

Please see the other readme for Haxe libraries as you will need to use a custom version of Heaps and HLSDL.

Compiling MBHaxe

Use haxe compile-c.hxml to generate the native directory. If you're going to build a .app bundle, use compile-macos.hxml instead.

cd into the native directory, then use the following command to build:

# Sometimes needed because of HLSDL.
sed -i -e 's/?sdl/sdl/g' sdl/Window.c hl/natives.h hl/functions.c sdl/Sdl.c

clang -mmacosx-version-min=10.15 -arch x86_64 -arch arm64 -o marblegame -I . -L /usr/local/lib/ -std=c11 marblegame.c /usr/local/lib/{ui.hdll, openal.hdll, fmt.hdll, sdl.hdll} -lsdl2 -lhl

This assumes you built all the libraries and installed them to /usr/local/lib.

Packaging for macOS .app format

After compiling native/marblegame.c successfully, use the script ./package-macos.sh to create the skeleton app bundle under macos-dist.

Finally, you need to use otool and install_name_tool to redirect the library paths to @rpath/lib.dylib.

marblegame should already have the rpath set. You just need to make sure it's correct and copy the libs:

  • fmt.hdll
  • libSDL2-2.0.0.dylib
  • libhl.dylib
  • libogg.dylib
  • libopenal.dylib
  • libpng16.dylib
  • libturbojpeg.dylib
  • libvorbis.dylib
  • libvorbisfile.dylib
  • libz.dylib
  • openal.dylib
  • sdl.hdll
  • ui.hdll

Ensure that they all depend on eachother with @rpath, as that will be set to the correct directory when running marblegame. otool -L is useful to check.

Sign the .app with codesign and it should be ready to go.