On Nov 11, 7:20 pm, Jeroen Demeyer <jdeme...@cage.ugent.be> wrote:
> On 2010-11-11 11:53, Dr. David Kirkby wrote:
>
> > The license must be a GPL version v2+ compatible license.
>
> Note that GPLv3 is NOT compaible with GPLv2!  I quote 
> fromhttp://www.gnu.org/licenses/license-list.html#GNUGPL

but we talk about GPLv2+ (i.e. GPLv2 or a later version, as you
please), not GPLv2.

>
> Please note that GPLv3 is not compatible with GPLv2 by itself. However,
> most software released under GPLv2 allows you to use the terms of later
> versions of the GPL as well. When this is the case, you can use the code
> under GPLv3 to make the desired combination.
>
> So either
> 1) the requirement that spkgs have GPLv2+ compatible licences must be
> removed
> 2) we release Sage under GPLv3+
> 3) we remove all GPLv3+ code from Sage
>
> I don't like it either, but that's the way it is.

No, I don't think you're right, see above...

Dima

>
> Jeroen.

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