Re: [gentoo-dev] Eigen and GPL-2 exception - is a new licence required?

[Petteri Räty]

Marcus D. Hanwell kirjoitti:
> There is a template library called Eigen I would like to add to the tree. It
> is a dependency of an application I would like to add shortly. It will also
> end up being a dependency of KDE 4 (for kalzium). My question relates to the
> licence the code is released under.
>
> It is licenced under the GNU GPL, version 2 or later with the following
> exception,
>
> // As a special exception, if other files instantiate templates or use macros
> // or inline functions from this file, or you compile this file and link it
> // with other works to produce a work based on this file, this file does not
> // by itself cause the resulting work to be covered by the GNU General Public
> // License. This exception does not invalidate any other reasons why a work
> // based on this file might be covered by the GNU General Public License.
>
> Please see http://eigen.tuxfamily.org/ for more details. My question is
> whether this requires a new licence to be added to the tree, listing it under
> GPL-2 and then installing a copy of the modified licence or something I have
> not thought of?
>
> Thanks,
>
> Marcus

dev-java/gnu-classpath has a similar exception and we have it in as
GPL-2-with-linking-exception so whatever we end up with it should be
done the same way for all ebuilds. As by default the licenses are anded
I guess we should go with "GPL-2 exception" as Carsten suggested.

Regards,
Petteri