This is the Debian GNU/Linux prepackaged version of the popt library.
popt was written by Erik Troan <ewt@redhat.com>.

The package was put together by Enrique Zanardi
<ezanardi@molec1.dfis.ull.es>, from sources obtained from:
  ftp://ftp.redhat.com/pub/redhat/code/popt/popt-1.1.1.tar.gz

Version 1.6.2 from
  ftp://ftp.rpm.org/pub/rpm/dist/rpm-4.0.x/

The copyright on this package is inconsistent, but both licences are
free. The popt.3 manpage says:

       It may be redistributed under either the GNU General Public
       License or the GNU Library General Public License, at the
       distributor's discretion.

(Both the GPL and LGPL can be found on a Debian system in
/usr/share/common-licenses/)

However, the COPYING file contains the X licence:

Copyright (c) 1998  Red Hat Software

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of the X Consortium shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from the X Consortium.
