想知道出现此问题 应该如何解决 求各位帮忙解答一下呀
CMake Error at ros_tutorials/roscpp_tutorials/CMakeLists.txt:16 (add_executable):
add_executable cannot create target "listener" because another target with
the same name already exists. The existing target is an executable created
in source directory "/home/yzt/catkin_ws/src/learning_communication". See
documentation for policy CMP0002 for more details.
Call Stack (most recent call first):
ros_tutorials/roscpp_tutorials/CMakeLists.txt:46 (rostutorial)
CMake Error at ros_tutorials/roscpp_tutorials/CMakeLists.txt:16 (add_executable):
add_executable cannot create target "talker" because another target with
the same name already exists. The existing target is an executable created
in source directory "/home/yzt/catkin_ws/src/learning_communication". See
documentation for policy CMP0002 for more details.
Call Stack (most recent call first):
ros_tutorials/roscpp_tutorials/CMakeLists.txt:46 (rostutorial)