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From: Andreas Oberritter <obi@opendreambox.org>
To: openembedded-core@lists.openembedded.org
Subject: Re: [PATCH v3] libav: set LICENSE and LICENSE_FLAGS according to PACKAGECONFIG options
Date: Wed, 16 Jul 2014 10:31:01 +0200	[thread overview]
Message-ID: <53C63845.2060407@opendreambox.org> (raw)
In-Reply-To: <8672BB614B4CCA40A6B3BDD6FD82050BA8B27F6E@COSNADEXC13.usr.ingenico.loc>

On 16.07.2014 08:43, Matthieu CRAPET wrote:
> Hi again,
> 
>> Some optional parts of Libav are licensed under the GNU General Public License version 2 or later (GPL v2+). See the file COPYING.GPLv2 for details. 
>> None of these parts are used by default, you have to explicitly pass --enable-gpl to configure to activate them. In this case, Libav's license changes to GPL v2+."
> 
> I may misunderstood something here.
> 
> For example:
> - libavfiler. It contains yadif code which is GPLv2+ and frei0r code is LGPLv2.1+. Libavfiler is clearly contaminated: 

Yadif needs to be enabled explicitly with --enable-gpl. frei0r is 
disabled by default. If enabled, it's linked at runtime using dlopen. 
At least, this is what the 'configure' script suggests.

> LICENSE_libavfilter = "GPLv2+"
> - libavutils is 100% LGPL
> LICENSE_libavutils = " LGPLv2.1+"
> 
> Giving --enable-gpl to configure does not convert pure 100% LGPL licensed library to GPL license. Am I wrong?

If you combine GPL'ed and LGPL'ed code, the resulting binary will be GPL'ed.

https://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License#Compatibility

Regards,
Andreas



  reply	other threads:[~2014-07-16  8:31 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-30 14:23 [PATCH v2] libav: add PACKAGECONFIG for theora, libvorbis, speex and openssl Matthieu Crapet
2014-06-30 16:40 ` Martin Jansa
2014-07-01  7:31   ` Matthieu CRAPET
2014-07-11  6:36   ` Koen Kooi
2014-07-11 11:47     ` Matthieu CRAPET
2014-07-11 12:43       ` Andreas Oberritter
2014-07-15 14:38         ` Matthieu CRAPET
2014-07-15 14:54           ` [PATCH v3] libav: set LICENSE and LICENSE_FLAGS according to PACKAGECONFIG options Matthieu Crapet
2014-07-15 16:39             ` Andreas Oberritter
2014-07-16  6:43               ` Matthieu CRAPET
2014-07-16  8:31                 ` Andreas Oberritter [this message]
2014-07-16  8:42                   ` Andreas Oberritter
2014-07-16  9:05                     ` Matthieu CRAPET
2014-07-16 16:31                       ` Saul Wold
2014-07-17 14:44                       ` [RFC][PATCH v4] libav: set LICENSE " Matthieu Crapet
2014-07-17 14:50                         ` Matthieu CRAPET
2014-07-28 12:06                           ` [PATCH] libav: fix PACKAGECONFIG for theora and libvorbis Matthieu Crapet
2014-07-28 12:10                             ` Matthieu CRAPET

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