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Re: RFH: GPLv3

From: Alexandre Oliva <aoliva at redhat dot com>
To: Marcus Meissner <meissner at suse dot de>
Cc: Michael Eager <eager at eagercon dot com>, Robert Dewar <dewar at adacore dot com>, Nicholas Nethercote <njn at csse dot unimelb dot edu dot au>, Mark Mitchell <mark at codesourcery dot com>, GCC <gcc at gcc dot gnu dot org>
Date: Mon, 16 Jul 2007 15:32:00 -0300
Subject: Re: RFH: GPLv3
References: <4695B50B.6050108@codesourcery.com> <46965067.3050809@eagercon.com> <Pine.GSO.4.61.0707131920210.20833@mulga.csse.unimelb.edu.au> <46975334.5000404@adacore.com> <4697A029.4050203@eagercon.com> <20070713230508.GB28211@suse.de>

On Jul 13, 2007, Marcus Meissner <meissner@suse.de> wrote:

> GPLv3+ code is however incompatible to GPLv2+ code, so it warrants
> a major version bump.

Not quite.

GPLv2 code is incompatible with GPLv3, and vice-versa, but GPLv2+ is
compatible with GPLv3+ and vice-versa, the result of the combination
being GPLv3+.

-- 
Alexandre Oliva         http://www.lsd.ic.unicamp.br/~oliva/
FSF Latin America Board Member         http://www.fsfla.org/
Red Hat Compiler Engineer   aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist  oliva@{lsd.ic.unicamp.br, gnu.org}

References:
- RFH: GPLv3
  - From: Mark Mitchell
- Re: RFH: GPLv3
  - From: Michael Eager
- Re: RFH: GPLv3
  - From: Nicholas Nethercote
- Re: RFH: GPLv3
  - From: Robert Dewar
- Re: RFH: GPLv3
  - From: Michael Eager
- Re: RFH: GPLv3
  - From: Marcus Meissner

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