+IF(DEFINED CMAKE_UBIFS_EXTROOT)
+ ADD_DEFINITIONS(-DUBIFS_EXTROOT)
+ TARGET_LINK_LIBRARIES(block blkid-tiny uci ubox blobmsg_json ubi-utils)
+ELSE(DEFINED CMAKE_UBIFS_EXTROOT)
+ TARGET_LINK_LIBRARIES(block blkid-tiny uci ubox blobmsg_json)
+ENDIF(DEFINED CMAKE_UBIFS_EXTROOT)