Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Source: https://metacpan.org/release/Parse-Binary Upstream-Contact: Audrey Tang Upstream-Name: Parse-Binary Files: * Copyright: 2004, Audrey Tang License: Artistic or GPL-1+ Comment: COPYING points to GPL-2 while documentation points to Perl license. Upstream author confirmed that license is Perl: From: Audrey Tang Message-Id: <35D0211C-095D-4986-8973-C473704086B3@audreyt.org> Subject: Re: Parse::Binary license Date: Thu, 20 Dec 2018 08:17:30 +0800 ... Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 . You can freely choose between GPL1+ or Artistic 1+. . > Xavier wrote: > > Hello, > > you package is published : > - "under the same license than Perl" in POD with a link to > Artistic license only > - COPYING points to GPL-2 while Perl is distributed under both > GPL-1+ and Artistic > > Could you tell me what is the good license ? > > Cheers, > Xavier . An issue regarding this licensing issue has also been reported via CPAN's request tracker: https://rt.cpan.org/Public/Bug/Display.html?id=128045 Files: inc/Module/* Copyright: 2002-2012, Adam Kennedy 2002-2012, Audrey Tang 2002-2012, Brian Ingerson License: Artistic or GPL-1+ Files: debian/* Copyright: 2018, Cyrille Bollu License: Artistic or GPL-1+ License: Artistic This program is free software; you can redistribute it and/or modify it under the terms of the Artistic License, which comes with Perl. . On Debian systems, the complete text of the Artistic License can be found in `/usr/share/common-licenses/Artistic'. License: GPL-1+ This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 1, or (at your option) any later version. . On Debian systems, the complete text of version 1 of the GNU General Public License can be found in `/usr/share/common-licenses/GPL-1'.