SET(EXTRA_CXXFLAGS "${EXTRA_CXXFLAGS} -fPIC -Wall" )
-SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CXXFLAGS} -fPIC -std=c++11 -fvisibility=hidden")
+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CXXFLAGS} -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro -fPIC -std=c++11 -fvisibility=hidden")
SET(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
ADD_LIBRARY(${PROJECT_NAME} SHARED ${SRCS} )