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List:       kde-licensing
Subject:    Re: Using libunrar in KArchive?
From:       David Faure <faure () kde ! org>
Date:       2014-03-29 9:33:10
Message-ID: 5773035.3YmTephpf7 () asterix
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On Saturday 29 March 2014 10:31:03 Albert Astals Cid wrote:
> El Divendres, 28 de març de 2014, a les 19:45:07, Alex Merry va escriure:
> > On 28/03/14 18:55, Ingo Klöcker wrote:
> > > On Thursday 27 March 2014 13:51:48 David Faure wrote:
> > >> On Thursday 27 March 2014 12:36:52 Sune Vuorela wrote:
> > >>> On 2014-03-27, David Faure <faure@kde.org> wrote:
> > >>>> Do you think it would be possibly to make karchive optionally
> > >>>> depend on libunrar, for *extracting* rar files (with no support
> > >>>> for creating rar files)?
> > >>>> 
> > >>>> The license for libunrar has limitations, but AFAICS only "do not
> > >>>> recreate the compression algorithm", so if we don't do that,
> > >>>> would it be a problem?
> > >>> 
> > >>> It would be code that none of the big distributions would ship, so
> > >>> I'm not sure it would be that ... useful.
> > >> 
> > >> OK. Since I will write this code anyway (a customer needs it), this
> > >> only leaves one question - is it ok to put it in karchive anyway?
> > > 
> > > What do you mean by "put it in karchive"? As the cited Fedora page says
> > > the license is GPL-incompatible. You cannot link GPL code together with
> > > any parts of unrar's source code. Calling the unrar executable from
> > > karchive should be okay though.
> > 
> > I would assume this is putting the code that *uses* libunrar in
> > KArchive, which is fine.  Obviously, putting libunrar itself in would
> > not be.
> 
> Yep, that is what i understood too.

And it is what I meant, too.

The code in karchive itself would be LGPL just like the rest of karchive.
It would just have a dependency on libunrar - and get disabled if libunrar 
isn't available.

-- 
David Faure, faure@kde.org, http://www.davidfaure.fr
Working on KDE, in particular KDE Frameworks 5

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