ROSberryPi - Install new packages

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Hi all! I am not totally new to ROS,but it is the first time I use it on a Raspberry Pi. I have a question regarding the installation of new packages on Rosberry Pi. Do I have to launch this command everytime I install a new package?

sudo ./src/catkin/bin/catkin_make_isolated --install -DCMAKE_BUILD_TYPE=Release --install-space /opt/ros/indigo

Can't I just use catkin_make --pkg and compile just that new package? Cause this catkin_make_isolated takes a lot of time. Moreover do I have to use that one also when I create a pkg by myself or can I just use catkin_make? Thx!!