Disabled RTTI and exceptions.

They wouldn't probably be used at all (RTTI is too heavy for dynamic
cast and has too few features to be used for reflection) and they break
C++ rule "you don't pay for what you don't use".

src/CMakeLists.txt

@@ -1,4 +1,4 @@
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic -std=c++0x -fvisibility=hidden")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic -std=c++0x -fvisibility=hidden -fno-rtti -fno-exceptions")
 
 # If targeting GLES, save it into configuration header
 if(TARGET_GLES)