Issue : Undefined reference to

报错信息：

undefined reference to `serial::Serial::Serial(
undefined reference to `actionlib::GoalIDGenerator::

诸如此类

参考：

https://answers.ros.org/question/226719/undefined-reference-to-rosinit/

mkdir -p ~/test_space/src
cd ~/test_space/src/
catkin_init_workspace
cd ..
catkin_make
source devel/setup.bash
cp -r ~/catkin_ws/src/LongbowRobot/nogrp_moveit_config ./src/
catkin_make nogrp_moveit_config

思路： 当某一package 编译不过去的时候，可以试着把它拿出来单独编译。

in catkin_ws rm -rf build devel install ought to work as a 'superclean' that maybe would have also solved your problem. The only thing left over that could mess up your build would maybe be an old or somehow corrupted catkin_ws/src/CMakeLists.txt, rm and catkin_init_workspace to make a new one.

最后

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