cmake error upon catkin make

edit

I'm new to the software, I was doing the following tutorial ( http://wiki.ros.org/hector_quadrotor/... ) and got a cmake error, I'm not sure how to " Add the installation prefix of "hardware_interface" to CMAKE_PREFIX_PATH" as it suggests, how can I fix it?

Full terminal text:

user@ubuntu:~$ mkdir ~/hector_quadrotor_tutorial
user@ubuntu:~$ cd ~/hector_quadrotor_tutorial
user@ubuntu:~/hector_quadrotor_tutorial$ wstool init src https://raw.github.com/tu-darmstadt-ros-pkg/hector_quadrotor/hydro-devel/tutorials.rosinstall
Using initial elements from: https://raw.github.com/tu-darmstadt-ros-pkg/hector_quadrotor/hydro-devel/tutorials.rosinstall
Writing /home/user/hector_quadrotor_tutorial/src/.rosinstall
[hector_quadrotor] Fetching https://github.com/tu-darmstadt-ros-pkg/hector_quadrotor.git (version hydro-devel) to /home/user/hector_quadrotor_tutorial/src/hector_quadrotor
Cloning into '/home/user/hector_quadrotor_tutorial/src/hector_quadrotor'...
remote: Counting objects: 2851, done.
remote: Total 2851 (delta 0), reused 0 (delta 0), pack-reused 2851
Receiving objects: 100% (2851/2851), 726.82 KiB | 332.00 KiB/s, done.
Resolving deltas: 100% (1758/1758), done.
Checking connectivity... done.
[hector_quadrotor] Done.
[hector_slam] Fetching https://github.com/tu-darmstadt-ros-pkg/hector_slam.git (version catkin) to /home/user/hector_quadrotor_tutorial/src/hector_slam
Cloning into '/home/user/hector_quadrotor_tutorial/src/hector_slam'...
remote: Counting objects: 1827, done.
remote: Total 1827 (delta 0), reused 0 (delta 0), pack-reused 1827
Receiving objects: 100% (1827/1827), 338.44 KiB | 236.00 KiB/s, done.
Resolving deltas: 100% (1112/1112), done.
Checking connectivity... done.
[hector_slam] Done.
[hector_localization] Fetching https://github.com/tu-darmstadt-ros-pkg/hector_localization.git (version catkin) to /home/user/hector_quadrotor_tutorial/src/hector_localization
Cloning into '/home/user/hector_quadrotor_tutorial/src/hector_localization'...
remote: Counting objects: 2620, done.
remote: Total 2620 (delta 0), reused 0 (delta 0), pack-reused 2620
Receiving objects: 100% (2620/2620), 3.69 MiB | 1.22 MiB/s, done.
Resolving deltas: 100% (1948/1948), done.
Checking connectivity... done.
[hector_localization] Done.
[hector_gazebo] Fetching https://github.com/tu-darmstadt-ros-pkg/hector_gazebo.git (version hydro-devel) to /home/user/hector_quadrotor_tutorial/src/hector_gazebo
Cloning into '/home/user/hector_quadrotor_tutorial/src/hector_gazebo'...
remote: Counting objects: 1499, done.
remote: Total 1499 (delta 0), reused 0 (delta 0), pack-reused 1499
Receiving objects: 100% (1499/1499), 2.08 MiB | 789.00 KiB/s, done.
Resolving deltas: 100% (950/950), done.
Checking connectivity... done.
[hector_gazebo] Done.
[hector_models] Fetching https://github.com/tu-darmstadt-ros-pkg/hector_models.git (version hydro-devel) to /home/user/hector_quadrotor_tutorial/src/hector_models
Cloning into '/home/user/hector_quadrotor_tutorial/src/hector_models'...
remote: Counting objects: 630, done.
remote: Total 630 (delta 0), reused 0 (delta 0), pack-reused 630
Receiving objects: 100% (630/630), 207.65 KiB | 199.00 KiB/s, done.
Resolving deltas: 100% (414/414), done.
Checking connectivity... done.
[hector_models] Done.

update complete.
user@ubuntu:~/hector_quadrotor_tutorial$ catkin_make
Base path: /home/user/hector_quadrotor_tutorial
Source space: /home/user/hector_quadrotor_tutorial/src
Build space: /home/user/hector_quadrotor_tutorial/build
Devel space: /home/user/hector_quadrotor_tutorial/devel
Install space: /home/user/hector_quadrotor_tutorial/install
Creating symlink "/home/user/hector_quadrotor_tutorial/src/CMakeLists.txt" pointing to "/opt/ros/indigo/share/catkin/cmake/toplevel.cmake"
####
#### Running command: "cmake /home/user/hector_quadrotor_tutorial/src -DCATKIN_DEVEL_PREFIX=/home/user/hector_quadrotor_tutorial/devel -DCMAKE_INSTALL_PREFIX=/home/user/hector_quadrotor_tutorial/install -G Unix Makefiles" in "/home/user/hector_quadrotor_tutorial/build"
####
-- The C compiler identification is GNU 4.8.2
-- The CXX compiler identification is GNU 4.8.2 ...