SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
ENDFOREACH(flag)
-SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CFLAGS} -fPIE -Wall")
+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CFLAGS} -fPIE -Wall -Werror")
#SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CFLAGS} -finstrument-functions")
SET(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
SET(CMAKE_CXX_FLAGS_RELEASE "-O2 -g")