ubuntu20.04出现Unable to find either executable ‘empy‘ or Python module ‘em‘... try

企业开发 2023-06-21 12:59:02 阅读次数: 0

ubuntu20.04出现Unable to find either executable ‘empy‘ or Python module ‘em‘… try

问题

在运行catkin_make命令时出现以下报错

-- Could NOT find PY_em (missing: PY_EM) 
CMake Error at /opt/ros/noetic/share/catkin/cmake/empy.cmake:30 (message):
  Unable to find either executable 'empy' or Python module 'em'...  try
  installing the package 'python3-empy'

这是因为catkin找的python版本为anaconda下面的版本，所以需要改为指定采用下面的命令

解决办法

catkin_make -DPYTHON_EXECUTABLE=/usr/bin/python3

因为我的是ubuntu20.04,所以自带python版本是3.x，ubuntu较低版本可能python版本为2.x，故需要将上面命令中的python3改为python2

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转载自blog.csdn.net/weixin_48319333/article/details/129640885

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