[ros-users] help with serial_port_node package

Matt McLellan mattmclel at gmail.com
Mon Nov 22 04:14:26 UTC 2010


I'm getting the following error message when I try to compile a package that
uses serial_port_node:

 mkdir -p bin
  cd build && cmake -Wdev -DCMAKE_TOOLCHAIN_FILE=`rospack find
rosbuild`/rostoolchain.cmake  ..
  [rosbuild] Building package serial_port_node
  [rosbuild] Including /opt/ros/cturtle/ros/core/rospy/cmake/rospy.cmake
  [rosbuild] Including /opt/ros/cturtle/ros/core/roscpp/cmake/roscpp.cmake
  [rosbuild] Including /opt/ros/cturtle/ros/core/roslisp/cmake/roslisp.cmake
  [rosbuild] Error from calling to Python to set the mtime on

  CMake Error at /opt/ros/cturtle/ros/core/rosbuild/public.cmake:758
    [rosbuild] Failed to set mtime; aborting
  Call Stack (most recent call first):
    CMakeLists.txt:20 (rosbuild_gensrv)

  -- Configuring incomplete, errors occurred!
  CMake Error: Unable to open cache file for save.
  CMake Error: : System Error: Permission denied

I'm using cturtle with the serial_port_node package, output from 'uname
-a': Linux robot-brain 2.6.32-25-generic #44-Ubuntu SMP Fri Sep 17 20:26:08
UTC 2010 i686 GNU/Linux
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