diff --git a/CMakeLists.txt b/CMakeLists.txt
index c97e91285a..0955483b45 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -85,9 +85,24 @@ if(UNIX AND NOT APPLE)
 endif()
 
 if (APPLE)
-	add_definitions(-x objective-c++)	
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -x objective-c++")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -x objective-c")
+	FIND_LIBRARY(ATB_LIBRARY AudioToolbox)
+	FIND_LIBRARY(AU_LIBRARY AudioUnit)		
+	FIND_LIBRARY(CARBON_LIBRARY Carbon)
+	FIND_LIBRARY(COCOA_LIBRARY Cocoa)
+	FIND_LIBRARY(COREAUDIO_LIBRARY CoreAudio)
+	FIND_LIBRARY(COREFUND_LIBRARY CoreFoundation)
+	FIND_LIBRARY(CORESERV_LIBRARY CoreServices)
+	FIND_LIBRARY(IOB_LIBRARY IOBluetooth)
+	FIND_LIBRARY(IOK_LIBRARY IOKit)		
+	FIND_LIBRARY(OGL_LIBRARY OpenGL)
+	FIND_LIBRARY(WEBKIT_LIBRARY WebKit)		
+	SET(EXTRA_LIBS  ${ATB_LIBRARY}  ${AU_LIBRARY} ${CARBON_LIBRARY} ${COCOA_LIBRARY} ${COREAUDIO_LIBRARY} 
+	${COREFUND_LIBRARY} ${CORESERV_LIBRARY} ${IOB_LIBRARY} ${IOK_LIBRARY} ${OGL_LIBRARY} ${WEBKIT_LIBRARY})
+	
 endif()
-
+ 
 if(WIN32)
 	add_definitions(-D_SECURE_SCL=0)
 	add_definitions(-D_CRT_SECURE_NO_WARNINGS)