xcz

when I run build_ros.h, it has something wrong and shows undefined reference to `cv::FileNode::operator int() const'

2

The edition of ubuntu is 18.04 and opencv is 3.3.1.This is the specific error message: /usr/bin/ld: warning: libopencv_imgproc.so.3.2, needed by /opt/ros/melodic/lib/libcv_bridge.so, may conflict with libopencv_imgproc.so.3.3 /usr/bin/ld: warning: libopencv_core.so.3.2, needed by...