Apply partial relro security hardening

Change-Id: Ic768751ec01780ae5029be23f76997076f8cbe30
Signed-off-by: saerome.kim <saerome.kim@samsung.com>

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4e39cfd..f2ce402 100755 (executable)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,7 +23,7 @@ SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -Wall -Werror-implicit-function-declaration")
 SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fexceptions -fvisibility=hidden")
 
 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS} -fPIE")
-SET(CMAKE_EXE_LINKER_FLAGS " -Wl,--as-needed -pie -Wl,--hash-style=both")
+SET(CMAKE_EXE_LINKER_FLAGS " -Wl,--as-needed -pie -Wl,--hash-style=both,-z,relro")
 
 ADD_EXECUTABLE(${PROJECT_NAME} ${SRCS})
 TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${pkgs_LDFLAGS} pthread rt gcrypt)