往事2018:请问这个怎么解决
-- ==> add_subdirectory(ROS-Academy-for-Beginners/navigation_sim_demo)
-- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy
-- Could NOT find move_base (missing: move_base_DIR)
-- Could not find the required component 'move_base'. The following CMake error indicates that you either need to install the package with the same name or change your environment so that it can be found.
CMake Error at /opt/ros/melodic/share/catkin/cmake/catkinConfig.cmake:83 (find_package):