Changing from gnutls26 to gnutls28 in quantal?

[Scott Ritchie]

On 7/31/12 6:38 AM, Marc Deslauriers wrote:
> On Tue, 2012-07-31 at 15:25 +0200, Sebastien Bacher wrote:
>> Le 31/07/2012 15:22, Marc Deslauriers a écrit :
>>> without checking licensing first.
>> Thanks for the reply, can you give some specifics about the changes and
>> what to check?
>
> gnutls went from LGPL-2.1+ to LGPL-3+, so it can't be linked with stuff
> that's GPL-2 only. I can't remember the list of packages, but I seem to
> recall cups and gtk-vnc being part of the problematic ones.
>

I like to consider myself knowledgeable about this sort of thing, and 
that being an incompatibility surprises me since I thought that all 
manner of differently-licensed software could link with LGPL libraries.

Could you point me to some sort of explanation of how this works?

Thanks,
Scott Ritchie