Add Partial RELRO flags

Change-Id: I3c491ca2cd5a44f0f27f36aaf488e18b4fc17a5b

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f4222550fc5b4c4c53bd79bd14d8f234ffcf0ce6..ed3d7f5c66f45a44bdfe34657da3e015c6701896 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,7 +40,7 @@ FOREACH(flag ${pkgs_CFLAGS})
         SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
 ENDFOREACH(flag)
 
-SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fvisibility=hidden -fPIC")
+SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fvisibility=hidden -fPIC -Wl,-z,relro")
 SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -g -fno-omit-frame-pointer -finstrument-functions -fstack-protector-strong")
 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS} -lrt")
 SET(CMAKE_EXE_LINKER_FLAGS "-pie")