[Feature Request] Add support for Mac Catalyst

[TolikPylypchuk]

[Feature Request] Add support for Mac Catalyst

[TolikPylypchuk]

I've managed to add support for Mac Catalyst in my fork, but I feel that it's full of hacks. Nevertheless it works. You can check out this commit in my fork.

This is how it can be built:

export CC=clang
export CFLAGS='-O2 -g -target arm64-apple-ios13.1-macabi -miphoneos-version-min=13.1 -fembed-bitcode'

cmake -B ./build \
  -G "Unix Makefiles" \
  -D CMAKE_INSTALL_PREFIX=./dist/darwin/catalyst \
  -D CMAKE_VERBOSE_MAKEFILE=true \
  -D CMAKE_OSX_ARCHITECTURES='arm64' \
  -D BUILD_SHARED_LIBS=ON \
  -D MAC_CATALYST=ON \
  -D USE_APPLICATION_SERVICES=OFF \
  -D USE_IOKIT=OFF \
  -D USE_APPKIT=OFF \
  -D USE_EPOCH_TIME=ON

cmake --build ${{github.workspace}}/build \
  --parallel 2 \
  --config RelWithDebInfo \
  --clean-first

cmake --install ${{github.workspace}}/build --config RelWithDebInfo

This will build the arm64 version - the x86_64 can be built the same way basically, just changing arm64 to x86_64.