License restrictions

Aaron J. Grier aaron at frye.com
Thu Feb 22 19:54:09 UTC 2001


On Thu, Feb 22, 2001 at 02:20:53PM +0100, Jörg Bröker wrote:

> Does anyone know the exact license restrictions of RTEMS? As I
> understand it is a modified GPL. But which points of the GPL are
> affected by these modifications? I could not find any detailed
> informations on this topic on OAR Website. Specificly I am interrested
> whether and under which conditions I am allowed to redistribute RTEMS
> (source/binary).

from the file LICENSE distributed with rtems:

--- snip {

#
#  $Id: LICENSE,v 1.6 1997/04/22 16:50:29 joel Exp $
# 
                      LICENSE INFORMATION

RTEMS is free software; you can redistribute it and/or modify it under
terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.  RTEMS 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 RTEMS; see
file COPYING. If not, write to the Free Software Foundation, 675
Mass Ave, Cambridge, MA 02139, USA.

As a special exception, including RTEMS header files in a file,
instantiating RTEMS generics or templates, or linking other files
with RTEMS objects to produce an executable application, does not
by itself cause the resulting executable application to be covered
by the GNU General Public License. This exception does not
however invalidate any other reasons why the executable file might be
covered by the GNU Public License.

--- }

RTEMS is covered under the GNU Public License, available at
http://www.gnu.org/copyleft/gpl.html , with exceptions as outlined
above.

-- 
  Aaron J. Grier   |    Frye Electronics, Tigard, OR   |   aaron at frye.com



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