Hi Matt, Have you made sure to add the serial_port to your $ROS_PACKAGE_PATH environment variable yet? Kent On Sun, Nov 21, 2010 at 8:11 PM, Matt McLellan wrote: > Hi, > > I'm having a problem building a package that has serial_port as a > dependency. When I run 'rosmake', I get the following message in the > terminal: > > [rosbuild] Building package serial_port > [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 > -- Configuring done > CMake Error: Unable to open cache file for save. > /opt/ros/cturtle/stacks/serial_port/build/CMakeCache.txt > CMake Error: : System Error: Permission denied > > I've made sure that all users/groups/etc have read/write access to the > CMakeCache.txt file, but it still doesn't seem to work. > > I'm using cturtle with the serial_port 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 > > Any help is greatly appreciated. > > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > > -- Kent Williams k3nt00@gmail.com (818)203-4394