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Re: [Toon-members] TooN license on Savannah

From: Gerhard Reitmayr
Subject: Re: [Toon-members] TooN license on Savannah
Date: Wed, 5 May 2010 22:59:58 +0200

hmmmm, I don't get the wording of that either. linking -> GPL, but linking -> 
do what you want :)

I am two minds about licenses for TooN/libcvd...

On the one hand, I think that companies can replicate the functionality in 
TooN, if they want to. so a more liberal license would be ok to just support 
its uptake.

On the other hand, the LGPL/GPL licensing of TooN already created some offers 
at least for Cambridge which might otherwise not be made.

So I can't really decide... looks like the GPL way does help...


On 5 May 2010, at 17:46, Simon Taylor wrote:

> Georg Klein wrote:
>> Hey folks,
>> the savannah page still has TooN listed as LGPL, and this can't be
>> changed, you have to contact the savannah admins. Any objections to me
>> doing this?
> I'm not quite sure where Ed got the new TooN license from. I think the
> spirit of it is "if you use it unmodified then do whatever you want with
> it, but you must submit any modifications to us".
> However the TooN COPYING file says:
> ---
> [...GPL v2 blah...]
> As a special exception, you may use these files as part of a free
> software library without restriction. [...]
> ---
> Note the *free software* in the last sentence, which seemingly forbids
> commercial use.
> It seems to me the exception we want is the same as the GNU Classpath
> (Java base classes):
> Linking this library statically or dynamically with other modules is
> making a combined work based on this library. Thus, the terms and
> conditions of the GNU General Public License cover the whole combination.
> As a special exception, the copyright holders of this library give you
> permission to link this library with independent modules to produce an
> executable, regardless of the license terms of these independent
> modules, and to copy and distribute the resulting executable under terms
> of your choice, provided that you also meet, for each linked independent
> module, the terms and conditions of the license of that module. An
> independent module is a module which is not derived from or based on
> this library. If you modify this library, you may extend this exception
> to your version of the library, but you are not obligated to do so. If
> you do not wish to do so, delete this exception statement from your version.
> I suppose one could argue that as TooN is all templates, the terminology
> of "linking this library" doesn't really apply though.
> Simon
> _______________________________________________
> Toon-members mailing list
> address@hidden

Gerhard Reitmayr
Institute for Computer Graphics and Vision
tel: ++43 316 873 5082

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