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Re: LGPL and GPL code together



Le mercredi 27 avril 2005 à 23:13 +0200, Achim Bohnet a écrit :
> [cc'ed Percy Leonhardt <percy@eris23.de>, the knemo author]
> Hi,
> before searching for sponsor of knemo (ITP #259245,
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=259245
> I did another licence review and noticed that in the knemo
> source (licenced under LGPL) are two files licensed under the GPL.
> 
> The two GPL files signalplotter{.h,.cpp} are a copy from kdebase.
> ksysguard/gui/SensorDisplayLib/SignalPlotter.*.  License and copyright
> are _not_ changed so this is fine.
> 
> But I'm abit confused about the combination using/linking GPL in LGPL
> 
> I read that LGPL is compatible with GPL: 5.) in 
> http://people.debian.org/~bap/dfsg-faq.html

"Compatible" means that you can take a file under the LGPL and relicense
it under the GPL. However you cannot do the opposite.

> From GPL 2b) I get the impression that either the two files need to
> be removed or all the other LGPL code relicensed to GPL.   But
> the 'compatible' from the 5) in dfsg-faq sound like the mixture is
> okay and everything can stay as it is.

It is okay to mix them, but the mix can only be distributed under the
GPL, not the LGPL.
-- 
Josselin Mouette                  /\./\
                                                 pouet
                                                     pouet
« Sans puissance, la maîtrise n'est rien. »



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