[RFA/GPLv3] Add COPYING3 to gdb

[Joel Brobecker <brobecker at adacore dot com>]

Hello,

I think the first step into moving to GPL v3 is to add a file named
COPYING3 that contains a copy of the GPL v3 licensing terms. I looked
at the GCC sources, and this is what they did. The GPL v2 license was
still kept in COPYING.

2007-08-08  Joel Brobecker  <brobecker@adacore.com>

        * COPYING3: New file.

OK to apply?

The next steps are bulk updates of the headers in the source files.
I propose the following header, which is a modified version of the
current ones, and slightly modeled on the GCC ones as well (for the
later part that talks about how to obtain the license terms).

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GCC; see the file COPYING3.  If not see
   <http://www.gnu.org/licenses/>.

Would that be an acceptable header?

Thanks,
-- 
Joel

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