I have installed indigo followed [link text](http://wiki.ros.org) successfully in ubuntu 14.04. But when I create a new package, I can not build it using `catkin_make`, it only returns
thinker@thinker:~/turtlebot$ catkin_make
Base path: /home/thinker/turtlebot
Source space: /home/thinker/turtlebot/src
Build space: /home/thinker/turtlebot/build
Devel space: /home/thinker/turtlebot/devel
Install space: /home/thinker/turtlebot/install
####
#### Running command: "make cmake_check_build_system" in "/home/thinker/turtlebot/build"
####
####
#### Running command: "make -j4 -l4" in "/home/thinker/turtlebot/build"
####
here is the ROS_PACKAGE_PATH:
`/home/thinker/turtlebot/src:/home/thinker/catkin_ws/src:/home/thinker/huilong/src:/opt/ros/indigo/share:/opt/ros/indigo/stacks`
what can I do next? thanks
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