GNU bug report logs - #41118
[PATCH] gnu: inkscape: Update to 1.0.

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From: Marius Bakke <mbakke <at> fastmail.com>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>, Leo Famulari <leo <at> famulari.name>
Cc: 41118 <at> debbugs.gnu.org
Subject: [bug#41118] [PATCH] gnu: inkscape: Update to 1.0.
Date: Sat, 16 May 2020 13:05:38 +0200

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Maxim Cournoyer <maxim.cournoyer <at> gmail.com> writes:

> Hello Leo,
>
> Leo Famulari <leo <at> famulari.name> writes:
>
>> On Fri, May 15, 2020 at 09:36:13AM -0400, Maxim Cournoyer wrote:
>>> This was made here: https://gitlab.com/inkscape/inkscape/-/issues/784.
>>> If you have a good grasp of the GPL v2 vs GPL v3 merits, perhaps it'd be
>>> useful to them to to post that there.  IIRC, I think the big new things
>>> in GPL v3 were immunization to patent attacks (nice to have for
>>> Inkscape) as well as preventing tivoization (this is not so applicable),
>>> and clarifying that linking with GPL code means the whole should be GPL.
>>> I'll re-read the licenses text in detail when I have a chance.
>>> 
>>> Anyway, if this doesn't move quickly enough, we could reluctantly build
>>> Inkscape with its bundled lib2geom, which is a subset of the full
>>> lib2geom and which doesn't link with GSL (IIRC).
>
> Actually, this doesn't help with the licensing incompatibility, given
> that Inkscape already depends on the GPL v3+ GNU Scientific Library
> (GSL) and that the bundled lib2geom sources within Inkscape make use of
> GSL.  I've pointed that here:
> https://gitlab.com/inkscape/inkscape/-/issues/784#note_343667232.

What exactly is the license incompatibility?  As Leo points out,
LGPL2.1+ is compatible with GPL3.  Your initial assessment that the
entire works become GPL3+ seems correct to me.

GNU has a handy chart that shows compatibility between the various GNU
licenses: <https://www.gnu.org/licenses/gpl-faq.html#AllCompatibility>.

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