ros catkin_make 出现add_custom_target cannot create target 错误

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今天用catkin_make编译ros包出现如下错误:

CMake Error at /home/liwei/work/catkin_ws_land/build/mycommbase/cmake/mycommbase-genmsg.cmake:250 (add_custom_target):  add_custom_target cannot create target  "mycommbase_generate_messages_nodejs" because another target with the same  name already exists.  The existing target is a custom target created in  source directory "/home/liwei/work/catkin_ws_land/src/tld_tracker".  See  documentation for policy CMP0002 for more details.Call Stack (most recent call first):  /opt/ros/kinetic/share/genmsg/cmake/genmsg-extras.cmake:307 (include)  mycommbase/CMakeLists.txt:20 (generate_messages)

最后的找到的原因是包的package.xml 中包依赖没有和cmakelist.txt中设置一致

cmakelist.txt:

find_package(catkin REQUIRED COMPONENTS roscpp std_msgs sensor_msgs image_transport mycommbase message_generation)

package.xml:

<build_depend>message_generation</build_depend>
<build_depend>mycommbase</build_depend>
<build_depend>image_transport</build_depend>

<run_depend>message_runtime</run_depend>
<run_depend>mycommbase</run_depend>
<run_depend>image_transport</run_depend>

主要是上面mycommbase是我自己的一个包，一定要在package.xml中 <build_depend> 里面加上

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