Update License to GPLv3+ including new Autoconf Exception.

* NEWS, README: Update licensing information.
* COPYING.EXCEPTION: New file.
* Makefile.am (EXTRA_DIST): Distribute it.
* cfg.mk (autom4te-update): Remove copyright change warning.
* lib/autoconf/autoconf.m4, lib/autoconf/autoheader.m4,
lib/autoconf/autoscan.m4, lib/autoconf/autotest.m4,
lib/autoconf/autoupdate.m4, lib/autoconf/c.m4,
lib/autoconf/erlang.m4, lib/autoconf/fortran.m4,
lib/autoconf/functions.m4, lib/autoconf/general.m4,
lib/autoconf/headers.m4, lib/autoconf/lang.m4,
lib/autoconf/libs.m4, lib/autoconf/oldnames.m4,
lib/autoconf/programs.m4, lib/autoconf/specific.m4,
lib/autoconf/status.m4, lib/autoconf/types.m4,
lib/autotest/autotest.m4, lib/autotest/general.m4,
lib/autotest/specific.m4, lib/m4sugar/foreach.m4,
lib/m4sugar/m4sh.m4, lib/m4sugar/m4sugar.m4: Update exception
statement, bump to GPLv3.
* bin/autoconf.as, bin/autoheader.in, bin/autom4te.in,
bin/autoreconf.in, bin/autoscan.in, bin/autoupdate.in,
bin/ifnames.in: Bump to GPLv3+, adjust --version output
to reflect the GPLv3+ and the Autoconf Exception.
* lib/Autom4te/C4che.pm, lib/Autom4te/ChannelDefs.pm,
lib/Autom4te/General.pm, lib/Autom4te/Request.pm,
lib/autom4te.in, lib/autoscan/autoscan.pre,
lib/emacs/autoconf-mode.el, lib/emacs/autotest-mode.el,
lib/freeze.mk, tests/atlocal.in, tests/autoscan.at,
tests/autotest.at, tests/base.at, tests/c.at,
tests/compile.at, tests/erlang.at, tests/foreign.at,
tests/fortran.at, tests/local.at, tests/m4sh.at,
tests/m4sugar.at, tests/mktests.sh, tests/semantics.at,
tests/statesave.m4, tests/suite.at, tests/tools.at,
tests/torture.at, tests/wrapper.as: Bump to GPLv3+.

2 files changed, 6 insertions, 10 deletions

diff --git a/lib/emacs/autoconf-mode.el b/lib/emacs/autoconf-mode.el
index ec1b3cc4..5b02e948 100644
--- a/lib/emacs/autoconf-mode.el
+++ b/lib/emacs/autoconf-mode.el
@@ -10,8 +10,8 @@
 ;;
 ;; 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, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 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
@@ -19,9 +19,7 @@
 ;; GNU General Public License for more details.
 ;;
 ;; You should have received a copy of the GNU General Public License
-;; along with this program; if not, write to the Free Software
-;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-;; 02110-1301, USA.
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 ;; A major mode for editing autoconf input (like configure.in).
 ;; Derived from m4-mode.el by Andrew Csillag (drew@staff.prodigy.com)
diff --git a/lib/emacs/autotest-mode.el b/lib/emacs/autotest-mode.el
index da481f2d..d376f745 100644
--- a/lib/emacs/autotest-mode.el
+++ b/lib/emacs/autotest-mode.el
@@ -9,8 +9,8 @@
 ;;
 ;; 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, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 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
@@ -18,9 +18,7 @@
 ;; GNU General Public License for more details.
 ;;
 ;; You should have received a copy of the GNU General Public License
-;; along with this program; if not, write to the Free Software
-;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-;; 02110-1301, USA.
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;; Commentary: