Updates to swox.com/gmp/devel/

Paul Leyland paul at leyland.vispa.com
Thu Jan 4 22:14:35 CET 2007

On Thu, 2007-01-04 at 10:33, Vincent Lefevre wrote:
> On 2007-01-04 01:33:15 +0100, Torbjorn Granlund wrote:
> > I've made several updates to the GPL code at swox.com/gmp/devel/ in
> > the last days.
> > 
> > It is important to remember that this code is released under the GPL
> > during the development process.  This is done to prevent producers of
> > non-free programs that use GMP from taking advantage of the
> But it should be noted that as a side effect, all the *free* programs
> that are distributed under a licence not compatible with the GPL (i.e.
> almost all the other licences) can't take advantage of the development
> code either (unless one accepts to do a fork).
> > development code.  Several huge corporations base their non-free
> > key products on GMP, but contribute absolutely nothing back.

Indeed, the same consideration has prevented me in the past from being
able to send someone a binary to a program for which I was quite willing
to send the source.

That particular case involved a binary for the free-as-in-beer version
of Cygwin and the source was under a BSD license.

So be it.  I don't choose to use the GPL, at least in part due to
considerations like these, but I do abide by the license when required
to do so.

FWIW, my software is generally released without conditions or under a
BSD-like license.  If others can use it, that's good enough for me (and
if no-one else can use it, I've not lost anything because it still does
what I want it to do).  I don't require that they give me or anyone else
anything in return, though receiving a thank-you note is nice.


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