CMakeLists.txt: add comment to why we call find_package(OpenCV)

k-okada · k-okada · commit 3b588d06b950 · 2017-04-04T20:02:53.000+09:00
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -3,6 +3,7 @@ project(opencv_apps)
 
 find_package(catkin REQUIRED COMPONENTS cv_bridge dynamic_reconfigure message_generation image_transport nodelet roscpp)
 
+# Call find_package(OpenCV) to get target in opencv library, such as opencv_optflow or opencv_line_descriptor
 find_package(OpenCV REQUIRED)
 message(STATUS "OpenCV VERSION: ${OpenCV_VERSION}")
 message(STATUS "OpenCV Components: ${OpenCV_LIB_COMPONENTS}")
