This is Tobias Geerinckx-Rice (nckx)'s unsupported packages for a certain Linux distribution.
Do not add this repository to your system unless explicitly told to do so by the author. Even then, its contents are entirely unsupported. Bug reports and all support request will be met with stunned silence.
Go away.
Unless indicated otherwise, all files in this repository are copyright (C) 2014 Tobias Geerinckx-Rice, and distributed under the terms of the GNU General Public Licence version 3. See the LICENCE file for details.