This is the Player robot device server, developed by volunteer contributors, with help from many other places, and released under the GNU Lesser General Public License (LGPL). Some of the code is only available under the GPL, see individual libraries and source files for details.
The Player homepage is:
https://playerproject.github.io/
Read INSTALL for more detailed instructions. For most people, the following sequence will suffice:
$ mkdir build
$ cd build/
$ cmake ../
$ make install
To configure the build, do:
$ ccmake ../