报错信息是:**CMake Error at /opt/ros/melodic/share/catkin/cmake/catkinConfig.cmake:83 (find_package):
Could not find a package configuration file provided by "std_msg" with any
of the following names:
std_msgConfig.cmake
std_msg-config.cmake**
报错信息是:**CMake Error at /opt/ros/melodic/share/catkin/cmake/catkinConfig.cmake:83 (find_package):
Could not find a package configuration file provided by "std_msg" with any
of the following names:
std_msgConfig.cmake
std_msg-config.cmake**