OSX_MIN_VERSION=10.12
OSX_SDK_VERSION=10.14.4
XCODE_VERSION=10.2.1
XCODE_BUILD_ID=10E1001
OSX_SDK=$(SDK_PATH)/Xcode-$(XCODE_VERSION)-$(XCODE_BUILD_ID)-extracted-SDK-with-libcxx-headers
darwin_CC=clang -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK)
darwin_CXX=clang++ -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -stdlib=libc++

darwin_CFLAGS=-pipe
darwin_CXXFLAGS=$(darwin_CFLAGS)

darwin_release_CFLAGS=-O2
darwin_release_CXXFLAGS=$(darwin_release_CFLAGS)

darwin_debug_CFLAGS=-O1
darwin_debug_CXXFLAGS=$(darwin_debug_CFLAGS)

darwin_native_toolchain=native_cctools
darwin_cmake_system=Darwin