rosmake cannot work without rospack functional. You need to make sure that `rospack depends omnibot` works. Also when you build a package it's just `rosmake PACKAGE_NAME` you don't tell it what file to build that needs to be in your CMakeLists.txt file. Tully On Tue, Oct 19, 2010 at 9:57 AM, Blaise Gassend wrote: > I would focus on the error message you are getting. Why can't rospack > create the file /home/omnibot-user/.ros/.rospack_cache.6LDHUP. > > Is it possible that you were running as root as some point, and that > /home/omnibot-user/.ros is owned by root? Try to create files in that > directory by hand. That should allow you to track down your problem. > > I doubt that adding PowerCube to your rosmake invocation caused the > problem (it seems to be ignored when I try something similar). > > On Tue, Oct 19, 2010 at 8:58 AM, Michael Wrock > wrote: > > Hello, > > > > I'm fairly new to ros, but I haven't seen any documentation on this > issue. > > > > I'm using an existing package that I know already works. It's called > > omnibot, so I used rosmake omnibot and everything compiled fine. I > > started writing a new .cpp file and added it to the package and > > compiled it fine. Since there are 15 files that need to compile, I > > tried to guess how to compile just the new .cpp I made, called > > PowerCube. I ran the command rosmake omnibot PowerCube, I'm not sure > > what happened there, but now I cant run rosmake omnibot! When I try, I > > get the following response: > > > > omnibot > > working on omnibot > > Unable to create temporary cache file: > > /home/omnibot-user/.ros/.rospack_cache.6LDHUP > > [rospack] failed to create tmp cache file > > [rosmake] Couldn't determine dependencies for package omnibot. Maybe > > it was a stack? > > omnibot was neither a stack or a package. > > > > Any idea what changed when I ran rosmake omnibot PowerCube? How can I > > reverse it? > > > > Thanks, > > Mike > > _______________________________________________ > > ros-users mailing list > > ros-users@code.ros.org > > https://code.ros.org/mailman/listinfo/ros-users > > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > -- Tully Foote Systems Engineer Willow Garage, Inc. tfoote@willowgarage.com (650) 475-2827