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2012-12-01 10:58:38 -0600	asked a question	Package building error for stage tutorial Hello everyone, I am a really new ROS user and I am trying to run a tutorial on my computer (with ubuntu 12.04 for windows installed). I have installed fuerte. The tutorial I am trying to run is the tutorial for the stage simulator titled "SimulatingOneRobot". Sorry I do not have enough karma to post a link, but it is under http:// (followed by) www.ros.org/wiki/stage/Tutorials/SimulatingOneRobot My problem was, when I tried to build the teleop_base package listed in the tutorial, I got the following errors, and I am not sure how to fix it. Thank you very much for your time reading this! {------------------------------------------------------------------------------- mkdir -p bin cd build && cmake -Wdev -DCMAKE_TOOLCHAIN_FILE=`rospack find rosbuild`/rostoolchain.cmake .. [rosbuild] Building package teleop_base Failed to invoke /opt/ros/fuerte/bin/rospack deps-manifests teleop_base [rospack] Error: package/stack teleop_base depends on non-existent package joy CMake Error at /opt/ros/fuerte/share/ros/core/rosbuild/public.cmake:129 (message): `Failed to invoke rospack to get compile flags for package 'teleop_base'. Look above for errors from rospack itself. Aborting. Please fix the broken dependency!` Call Stack (most recent call first): /opt/ros/fuerte/share/ros/core/rosbuild/public.cmake:203 (rosbuild_invoke_rospack) CMakeLists.txt:3 (rosbuild_init) -- Configuring incomplete, errors occurred! -------------------------------------------------------------------------------}