catkin build
的时候出现报错:
Cannot specify link libraries for target "/opt/ros/noetic/lib/libroscpp.so"
which is not built by this project.
发现原因是CMakeList.txt
中target_link_libraries
写反了。
原来将自定义的pub_data
写在${catkin_LIBRARIES}
的下方。
## Specify libraries to link a library or executable target against
target_link_libraries(
${catkin_LIBRARIES}
pub_data
)
调整顺序,将自定义的pub_data
写在${catkin_LIBRARIES}
的上方,编译成功通过。
## Specify libraries to link a library or executable target against
target_link_libraries(
pub_data
${catkin_LIBRARIES}
)