catkin_make fatal error opencv2
I tried to use realsense depth camera (intel) with following environment.
/Environment Jetsonnano Ubuntu 18.04 ROS melodic
When I tried to build, following error happened. II don't have idea to solve this problem. Please help me.
/opt/ros/melodic/include/cv_bridge/cv_bridge.h:43:10: fatal error: opencv2/core/core.hpp: No such file or directory #include <opencv2 core="" core.hpp="">