Hi,
On 19.11.2014 15:25, Reinhard Tartler wrote:
On Nov 19, 2014 8:24 AM, "Nicolas George" <geo...@nsup.org
<mailto:geo...@nsup.org>> wrote:
> It is perfectly legal and compatible with the license to USE a GPLv2
> program with a GPLv3 shared library or the other way around. Licenses can
> only control distribution, not use, and the GPL does not try to do so.
>
> Therefore, I do not believe this kind of conflict is in the users' best
> interest.
You are missing that users may be distributors themselves, as indicated
in my example earlier in this thread.
>
> Actually, there is not much that Debian must do to ensure compliance with
> the licenses. Possibly prevent BUILD a binary .deb package from GPLv2
> source when the GPLv3 library is installed.
That was basically my position so far. Andreas was pointing out that we
should also consider redistributors.
Yes, I think it is reasonable to expect that anything installed from
Debian main can be redistributed, e.g. on a live DVD.
However, this is not the case if you install e.g. dff (GPL v2 only) and
libavcodec-extra-56 (GPL v3).
Distributing this combination is not allowed, because it would require
to comply with the incompatible licenses GPL v2 and GPL v3.
Thus I think Build-Conflicts is not enough.
Best regards,
Andreas
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