Go to /opt/ros/melodic/share/<package_name>/cmake/<package_name>Config.cmake
/opt/ros/melodic/share/<package_name>/cmake/<package_name>Config.cmake
change this line:
set(_include_dirs "include;/usr/include;/usr/include/opencv")
to
set(_include_dirs "include;/usr/include;/usr/include/opencv4")
There was an error while loading. Please reload this page.