Ubuntu 1804 编译realsense-ros包报错

CMake Error at /opt/ros/melodic/share/cv_bridge/cmake/cv_bridgeConfig.cmake:113 (message):

  Project 'cv_bridge' specifies '/usr/include/opencv' as an include dir,

  which is not found.  It does neither exist as an absolute directory nor in

  '${{prefix}}//usr/include/opencv'.  Check the issue tracker

  'https://github.com/ros-perception/vision_opencv/issues' and consider

  creating a ticket if the problem has not been reported yet.

Call Stack (most recent call first):

  /opt/ros/melodic/share/catkin/cmake/catkinConfig.cmake:76 (find_package)

  realsense-ros/realsense2_camera/CMakeLists.txt:8 (find_package)