turtlebot3运行功能包错误记录一

西木003

于 2021-03-27 16:43:31 发布

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分类专栏： ubuntu 文章标签： bug

本文链接：https://blog.youkuaiyun.com/Daminate/article/details/115266715

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本文介绍了在使用ROS（Robot Operating System）时遇到的两个常见问题：一是由于CMakelists.txt和package.xml中依赖包不一致导致的‘add_custom_target’错误，解决方法是在package.xml中添加缺失的vicon_bridge依赖；二是环境变量'TURTLEBOT3_MODEL'未设置的问题，通过执行`export TURTLEBOT3_MODEL=burger`来解决。这两个错误对于ROS项目的正常构建和运行至关重要。

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问题一

add_custom_target cannot create target
“vicon_bridge_generate_messages_nodejs” because another target with the
same name already exists. The existing target is a custom target created
in source directory
“/home/mar/catkin_ws/src/Turtlebot_PID_Controller-master”. See
documentation for policy CMP0002 for more details.
此错误出现原因是CMakelist中和package.xml中build依赖包不一致,如下所示：

CMakelist

find_package(catkin REQUIRED COMPONENTS
roscpp
rospy
std_msgs
vicon_bridge
)

package.xml

<buildtool_depend>catkin</buildtool_depend>
<build_depend>roscpp</build_depend>
<build_depend>rospy</build_depend>
<build_depend>std_msgs</build_depend>

在package.xml补上缺失的那一项即可：

<buildtool_depend>catkin</buildtool_depend>
<build_depend>roscpp</build_depend>
<build_depend>rospy</build_depend>
<build_depend>std_msgs</build_depend>
<build_depend>vicon_bridge</build_depend>