Rationalize cmakelists.txt a bit

CMakeLists.txt

@@ -99,7 +99,10 @@ FIND_PACKAGE(Threads REQUIRED)
 FIND_PACKAGE(wolf REQUIRED)
 
 FIND_PACKAGE(vision_utils REQUIRED)
-MESSAGE("vision_utils Library FOUND: vision related sources will be built.")
+IF (vision_utils_FOUND)
+    MESSAGE("vision_utils Library FOUND: vision related sources will be built.")
+ENDIF(vision_utils_FOUND)
+
 SET(PRINT_INFO_VU false)
 FIND_PACKAGE(OpenCV REQUIRED)
 
@@ -276,26 +279,24 @@ ADD_LIBRARY(${PLUGIN_NAME}
   ${SRCS_WRAPPER}
   ${SRCS_YAML}
   )
-TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${CMAKE_THREAD_LIBS_INIT})
-TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${wolf_LIBRARY})
-
-TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${YAMLCPP_LIBRARY})
-
-TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${OpenCV_LIBS})
-TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${vision_utils_LIBRARY})
 
 #Link the created libraries
 #===============EXAMPLE=========================
 # IF (Ceres_FOUND)
 #     TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${CERES_LIBRARIES})
 # ENDIF(Ceres_FOUND)
+TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${CMAKE_THREAD_LIBS_INIT})
+TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${wolf_LIBRARY})
+TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${YAMLCPP_LIBRARY})
+TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${OpenCV_LIBS})
+TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${vision_utils_LIBRARY})
+IF (GLOG_FOUND)
+    TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${GLOG_LIBRARY})
+ENDIF (GLOG_FOUND)
 
 
 #Build tests
 #===============EXAMPLE=========================
-IF (GLOG_FOUND)
-    TARGET_LINK_LIBRARIES(${PLUGIN_NAME} ${GLOG_LIBRARY})
-ENDIF (GLOG_FOUND)
 IF (GLOG_FOUND)
     IF(BUILD_TESTS)
         MESSAGE("Building tests.")