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Date: Mon, 12 Apr 2010 13:35:00 -0000
From: Duncan Sands <baldrick@free.fr>
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To: Jonathan Wakely <jwakely.gcc@gmail.com>
CC: Jack Howarth <howarth@bromo.med.uc.edu>,   David Edelsohn <dje.gcc@gmail.com>,  Steven Bosscher <stevenb.gcc@gmail.com>, gcc@gcc.gnu.org
Subject: Re: dragonegg in FSF gcc?
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Hi Jonathan,

> egcs code was always license-compatible with GCC and was always
> assigned to the FSF
>
> The difference is quite significant.

both dragonegg and LLVM are license-compatible with GCC.  The dragonegg
code is licensed under GPLv2 or later, while LLVM is licensed under the
University of Illinois/NCSA Open Source License, which is GPL compatible
according to

  http://www.gnu.org/licenses/license-list.html#GPLCompatibleLicenses

The dragonegg plugin, being a combination of these plus GCC, is therefore
GPLv3.

You are of course quite right that neither LLVM nor dragonegg has its
copyright assigned to the FSF.

Ciao,

Duncan.