ROS msg catkin_create_pkg [package] [dependencies(std_msgs, message_generation)] /msg 폴더에 [message.msg] <[package]/msg/message.msg>int32 xint32 y [CMakeLists.txt] find_package(catkin REQUIRED COMPONENTS message_generation roscpp std_msgs) add_message_files(FILES message.msg) generate_messages(DEPENDENCIES std_msgs) catkin_package(LIBRARIES [package] CATKIN_D