Use "${CMAKE_HOST_SYSTEM_PROCESSOR}" over x86_64 if CMAKE_OSX_ARCHITECTURES is empty
Use "${CMAKE_HOST_SYSTEM_PROCESSOR}" over x86_64 if CMAKE_OSX_ARCHITECTURES is empty
apple/swift-llbuild,apple/swift-llbuild,apple/swift-llbuild,apple/swift-llbuild,apple/swift-llbuild,apple/swift-llbuild,apple/swift-llbuild