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165 lines
6.5 KiB
Plaintext
165 lines
6.5 KiB
Plaintext
Copyright (C) 2001-2011 Free Software Foundation, Inc.
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See the end of the file for license conditions.
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This directory contains scripts for building the DJGPP (a.k.a. MS-DOS)
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version of Emacs, and other files useful for running that version of
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Emacs.
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The files emacs.ico and emacs.pif are for using the DJGPP version on
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Windows 3.X. Since these are binary files, their copyright notice is
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reproduced here:
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# Copyright (C) 1993, 2002-2011 Free Software Foundation, Inc.
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#
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# This file is part of GNU Emacs.
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#
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# This file is free software; as a special exception, the author gives
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# unlimited permission to copy and/or distribute it, with or without
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# modifications, as long as this notice is preserved.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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#
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# ----------------------------------------------------------------------
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NOTE ON THE LEGAL STATUS OF THE FILES IS_EXEC.C, SIGACTION.C
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As distributed with GNU Emacs, the files is_exec.c and sigaction.c are
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Copyright (C) 1995 DJ Delorie, and are licensed under the terms of the
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GNU General Public License version 3 (see COPYING), or (at your
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option) any later version.
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Here we record the details of the legal history of these files.
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The files is_exec.c and sigaction.c were originally part of DJGPP,
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distributed by DJ Delorie. The versions of these files in DJGPP
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contain the following license notice:
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Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details
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The contents of the file COPYING.DJ (as available at, for example, the
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URL: <http://www.delorie.com/bin/cvsweb.cgi/djgpp/copying.dj>) are as
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follows:
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-- COPYING.DJ STARTS HERE --
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This is the file "COPYING.DJ". It does NOT apply to any sources or
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binaries copyrighted by UCB Berkeley, the Free Software Foundation, or
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any other agency besides DJ Delorie and others who have agreed to
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allow their sources to be distributed under these terms.
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Copyright Information for sources and executables that are marked
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Copyright (C) DJ Delorie
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334 North Rd
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Deerfield NH 03037-1110
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This document is Copyright (C) DJ Delorie and may be distributed
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verbatim, but changing it is not allowed.
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Source code copyright DJ Delorie is distributed under the terms of the
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GNU General Public Licence, with the following exceptions:
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* Sources used to build crt0.o, gcrt0.o, libc.a, libdbg.a, and
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libemu.a are distributed under the terms of the GNU Library General
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Public License, rather than the GNU GPL.
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* Any existing copyright or authorship information in any given source
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file must remain intact. If you modify a source file, a notice to that
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effect must be added to the authorship information in the source file.
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* Runtime binaries, as provided by DJ in DJGPP, may be distributed
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without sources ONLY if the recipient is given sufficient information
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to obtain a copy of djgpp themselves. This primarily applies to
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go32-v2.exe, emu387.dxe, and stubedit.exe.
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* Runtime objects and libraries, as provided by DJ in DJGPP, when
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linked into an application, may be distributed without sources ONLY
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if the recipient is given sufficient information to obtain a copy of
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djgpp themselves. This primarily applies to crt0.o and libc.a.
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-----
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Changes to source code copyright BSD, FSF, or others, by DJ Delorie
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fall under the terms of the original copyright. Such files usually
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have multiple copyright notices in them.
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A copy of the files "COPYING" and "COPYING.LIB" are included with this
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document. If you did not receive a copy of these files, you may
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obtain one from whence this document was obtained, or by writing:
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Free Software Foundation, Inc.
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51 Franklin Street,
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Fifth Floor,
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Boston, MA 02110-1301,
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USA
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-- COPYING.DJ ENDS HERE --
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Both is_exec.c and sigaction.c are parts of DJGPP's libc.a, therefore
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according to exception 1 in the above terms their "base" license is
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the GNU Library General Public License [now known as the GNU Lesser
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General Public License].
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The terms of the GNU LGPL, specifically clause 3, which begins:
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3. You may opt to apply the terms of the ordinary GNU General
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Public License instead of this License to a given copy of the
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Library.
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permit us to relicense the files is_exec.c and sigaction.c as used in
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GNU Emacs under the terms of the GNU GPL.
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COPYING.DJ, however, lists extra exceptions 2-4 to the GNU licenses.
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Items 3 and 4 are not relevant in the case of GNU Emacs, since they
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can only apply to copies of DJGPP [confirmed by email from DJ Delorie
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to rms at gnu.org and others, 2007/01/31].
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Exception 2 of COPYING.DJ, when viewed as an added restriction, rather
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than as an interpretation of the GPL, leads to problems. The added
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requirement makes the overall license of the file incompatible with
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the GNU GPL.
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As a solution to this problem, DJ Delorie has kindly granted (February
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2007) GNU Emacs an exception, and permits us to license the files
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is_exec.c and sigaction.c solely under the terms of the GNU GPL. This
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exception applies _only_ to these files as distributed with GNU Emacs.
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This solution was arrived at in an email discussion between DJ Delorie
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<dj at delorie.com> and Richard Stallman <rms at gnu.org> in
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January/February 2007. We record below a summary of the relevant final
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email in this discussion:
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From: DJ Delorie <dj at delorie.com>
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To: rms at gnu.org
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Subject: Re: COPYING.DJ and Emacsn
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I have no problem with whatever you wish to do with those files in
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emacs (as long as djgpp itself doesn't need to change).
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Accordingly, in February 2007 we relicensed the files is_exec.c and
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sigaction.c as used in GNU Emacs under the GNU GPL.
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Copies of both the GNU General Public License and GNU Lesser (Library)
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Public License may be obtained from <http://www.gnu.org/licenses/>, or:
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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