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To: Corinna Vinschen <cygwin AT cygwin DOT com>
Subject: Re: Licensing terms
Message-ID: <996672411.3b68039ba9394@imp.free.fr>
Date: Wed, 01 Aug 2001 15:26:51 +0200 (MEST)
From: Steve Lhomme <steve DOT lhomme AT free DOT fr>
References: <BA5F9C6AA352D311AD4E009027855BCD07D35171 AT fl51m01 DOT space DOT honeywell DOT com> <20010801151653 DOT B18101 AT cygbert DOT vinschen DOT de>
In-Reply-To: <20010801151653.B18101@cygbert.vinschen.de>
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It would be possible otherwise if it was LGPL.

> > 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.

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