how to tell roslaunch to use the shared libraries from my catkin work space lib directory before the default ros libraries.

I'm debugging my node written in cpp. My code calls ControllerManager::update from controller_manager package. But the gdb doesn't step into the function. I cloned https://github.com/ros-controls/ros_control.git and rebuilt it. My node is linked against libcontroller_manager.so built with the controller_manager package. Probably roslaunch loads the version of the libcontroller_manager.so from /opt/ros/hydro/lib instead of the one which was built with the controller_manager package. So the question is how to tell roslaunch to use the shared libraries from my catkin work space lib directory before the default ros libraries.