[ROS调用cv_bridge]undefined reference to `cv_bridge::toCvCopy(boost::shared_ptr<sensor_msgs::Image_
用ROS调用cv_bridge的时候,报了个错,如下:undefinedreferenceto`cv_bridge::toCvCopy(boost::shared_ptrconst>const&,std::__cxx11::basic_stringconst&)’意思就是我用的这个cv_bridge::toCvCopy函数没有定义,虽然我在开头已经include了对应的库,如:#include#i