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Re: About including Motif and Qt in GPL-ed programs


On Thu, 23 Oct 1997, joost witteveen wrote:

> Date: Thu, 23 Oct 1997 21:52:22 +0200 (CEST)
> From: joost witteveen <joost@rulcmc.leidenuniv.nl>
> To: debian-devel@lists.debian.org
> Subject: Re: About including Motif and Qt in GPL-ed programs
> Resent-Date: Thu, 23 Oct 1997 15:52:33 -0400
> Resent-From: debian-devel@lists.debian.org
> > I discussed this with Richard Stallman recently.
> > 
> > The GPL explicitly states (near the end) that GPL-ed programs can not
> > be incorporated into non-free software. This applies to such things as
> > Qt and Motif. One caveat about this is that only the owner of the
> > copyright has the right to enforce the license, and in this case the
> > copyright owner is usually the violator and will not enforce against
> > himself. However, if _somebody_else_ makes a version of your program
> > linked to Qt or Motif and you don't like that, you are within your
> > rights to enforce against them.
> There's one thing I'd like to know then: I believe the editor I'm
> using at the moment (Emacs) was originally written by Richard Stallman.
> So I presume he's one of the owners of the copyright of Emacs.
> Then, how does Richard Stallman feel about versions of Emacs
> linked with Motif? Is he going to enforce GPL?

FSF/RMS ruled that Motif is related to libraries included
with the system (together with libc, libsocket etc), so
it's covered by respectful GPL clause and linking
GPL code against Motif doesn't violate GPL.



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