ccan code breaks older build farm systems

[Michael Adam]

Ok, I think I understand now, that LGPL code is automatically
conveyed under the GPL (given (L)GPL versions allow it) of
the overall project, and individual files don't need to be
relicensed.

But this still presents the problem that GPL files (like htable)
will prevent us from releasing libraries using it under LGPL.
The will automatically be conveyed as GPL.

Cheers - Michael

simo wrote:
> 
> On Thu, 2011-07-07 at 15:25 +0200, Michael Adam wrote:
> > I was understanding  from the GNU page above that we do for example
> > violate our own GPLv3+ license of the server code if we directly
> > link in the LGPL ccan code or for instance the talloc and tdb
> > code. It states that if you directly use LGPL code (i.e. tdb,
> > talloc, ccan, ...) in a GPL project, than you have to relicense
> > it. If you link it as a library however, that is ok.
> 
> We do not violate our license, as the LGPL allow us to link against
> samba. It is true that the LGPL imposes slightly different conditions
> when you link code in statically, but because we release all the source
> code, it is not really an issue.
> 
> > So at least in the samba3 autoconf build, we have a problem since we
> > do
> > link the plain object files into smbd if we link talloc or tdb
> > statically. It might be different in s4 and with the waf build.
> 
> The way ccan is structured I think the waf build makes no difference.
> 
> > That being said, let me state clearly that I am not an expert on
> > licenses, but that I am trying to understand what I read on the
> > GNU documents. So if anyone (Simo??) could shed some light on the
> > licensing issues for me, I would be really greatful! 
> 
> I don't think there is a problem keeping the original license, we've
> done the same with other licenses for ages. It is given for granted
> though, that the whole smbd/samba binary and source code is released
> under the terms of the GPLv3 when released as a whole.
> 
> Simo.
> 
> -- 
> Simo Sorce
> Samba Team GPL Compliance Officer <simo at samba.org>
> Principal Software Engineer at Red Hat, Inc. <simo at redhat.com>
> 

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