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Date: Wed, 1 Aug 2001 15:49:17 +0200
From: Corinna Vinschen <cygwin AT cygwin DOT com>
To: cygwin <cygwin AT cygwin DOT com>
Cc: "Clark, Matthew C (FL51)" <matthew DOT c DOT clark AT honeywell DOT com>
Subject: Re: Licensing terms
Message-ID: <20010801154917.C18101@cygbert.vinschen.de>
Mail-Followup-To: cygwin <cygwin AT cygwin DOT com>,
	"Clark, Matthew C (FL51)" <matthew DOT c DOT clark AT honeywell DOT com>
References: <BA5F9C6AA352D311AD4E009027855BCD07D35171 AT fl51m01 DOT space DOT honeywell DOT com> <20010801151653 DOT B18101 AT cygbert DOT vinschen DOT de> <996672411 DOT 3b68039ba9394 AT imp DOT free DOT fr>
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In-Reply-To: <996672411.3b68039ba9394@imp.free.fr>; from steve.lhomme@free.fr on Wed, Aug 01, 2001 at 03:26:51PM +0200

On Wed, Aug 01, 2001 at 03:26:51PM +0200, Steve Lhomme wrote:
> It would be possible otherwise if it was LGPL.

http://www.gnu.org/licenses/why-not-lgpl.html

> > > I'm looking for a little clarification about the GPL that covers 
> > > cygwin, specifically the gcc compiler.  I used to be under the 
> > > impression that if I modified something covered by the GPL (such as 
> > > a linux module, or a cygwin tool), then I'd have to make the changes
> > 
> > > public.  Now it seems that even if I just use/link a GPL'ed object, 
> > > such as libcygwin.a, I have to make any and all source code I might 
> > > have compiled under cygwin's gcc open source.  Is this correct?  
> > > If so, is this specific to cygwin or GPL in general and when 
> > > did this happen?  
> > 
> > Basically you'll have to release the sources of applications linked
> > against Cygwin. Except when
> > 
> > - you never release the application since you're using it only
> >   internally in your office or so. That's the trivial case.
> > 
> > - you purchase a special Cygwin license from Red Hat. For a
> >   one time fee per project you may distribute also proprietary
> >   software linked against Cygwin.
> >   Visit http://www.redhat.com/products/support/cygwin/ for more
> >   information.

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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