Add --as-needed option to link only used library

Add --as-needed option to link only used library because there are no
--as-needed option when building hal-backend-power package.

Change-Id: I96e25f0d23639ddda4b8bd8155d28968fe78b7cc
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 85da319ddcec68e432d39e4bc769b35e5cadb237..8a8544aa1b846e787d11abea0d349f187976534a 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,7 +15,7 @@ pkg_check_modules(pkgs REQUIRED
 FOREACH(flag ${pkgs_CFLAGS})
          SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
 ENDFOREACH(flag)
-SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS} -Wl,--as-needed")
 
 INCLUDE_DIRECTORIES(${PROJECT_SOURCE_DIR}/include)