This gmp package was built for Debian by Steve M. Robbins Philipp Matthias Hahn from sources obtained at ftp://ftp.gnu.org/gnu/gmp/. The GNU MP Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (LGPL) as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The license text is contained in /usr/share/common-licenses/LGPL. The documentation is released under the GNU Free Documentation License (GFDL) and it has cover texts. As such, it has been determined not to meet the Debian Free Software Guidelines, and is not shipped in the debian packages. The demo code in the -doc package is covered either by the LGPL, or under the GNU General Public License /usr/share/common-licenses/GPL. See the individual source files to determine the license under which it falls.