usb-gadget: access external symbol using dlsym(), not extern keyword

[platform/hal/backend/device-common.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d24f59..2a9ed4d 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,7 @@ ENDFOREACH(flag)
 SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fvisibility=hidden")
 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
 
+ADD_DEFINITIONS("-D_GNU_SOURCE")
 ADD_LIBRARY(${PROJECT_NAME} SHARED ${SRCS})
 
 IF(ENABLE_DLOG STREQUAL on)