if USE_VISUALIZATION if OFF, we assume we're using Qt5, use Qt5Core i…

…nstaed of Qt5Widgets

jsk_rviz_plugins/CMakeLists.txt

@@ -76,11 +76,11 @@ include_directories(src ${Boost_INCLUDE_DIR} ${catkin_INCLUDE_DIRS})
 ## CATKIN_DEPENDS: catkin_packages dependent projects also need
 ## DEPENDS: system dependencies of this project that dependent projects also need
 
-if(rviz_QT_VERSION VERSION_LESS "5")
+if(USE_VISUALIZATION AND ("${rviz_QT_VERSION}" VERSION_LESS "5"))
   find_package(Qt4 COMPONENTS QtCore QtGui REQUIRED)
   include(${QT_USE_FILE})
-else()
-  find_package(Qt5Widgets REQUIRED)
+else() # is USE_VISUALIZAITON not set, but we still need Qt5
+  find_package(Qt5Core REQUIRED)
 endif()
 add_definitions(-DQT_NO_KEYWORDS -g)