if(CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
	set(CMAKE_COMPILER_IS_CLANG 1)
endif()
if(CMAKE_C_COMPILER_ID MATCHES "AppleClang" OR CMAKE_CXX_COMPILER_ID MATCHES "AppleClang")
	set(CMAKE_COMPILER_IS_CLANG 1)
endif()