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+.

19 files changed, 55 insertions, 90 deletions

diff --git a/tests/atlocal.in b/tests/atlocal.in
index 42a6590b..96f3831f 100644
--- a/tests/atlocal.in
+++ b/tests/atlocal.in
@@ -7,8 +7,8 @@
 #
 # 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
@@ -16,9 +16,7 @@
 # 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/>.
 
 PERL='@PERL@'
 GREP='@GREP@'
diff --git a/tests/autoscan.at b/tests/autoscan.at
index d7a35dca..88392385 100644
--- a/tests/autoscan.at
+++ b/tests/autoscan.at
@@ -6,8 +6,8 @@ AT_BANNER([Autoscan.])
 #
 # 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
@@ -15,9 +15,7 @@ AT_BANNER([Autoscan.])
 # 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/>.
 
 AT_SETUP([autoscan])
 
diff --git a/tests/autotest.at b/tests/autotest.at
index 5310ab5b..05e7cce8 100644
--- a/tests/autotest.at
+++ b/tests/autotest.at
@@ -7,8 +7,8 @@ AT_BANNER([Autotest.])
 #
 # 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
@@ -16,9 +16,7 @@ AT_BANNER([Autotest.])
 # 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/>.
 
 
 # AT_DATA_AUTOTEST(FILE-NAME, CONTENTS)
diff --git a/tests/base.at b/tests/base.at
index b5ee30fb..21a2c828 100644
--- a/tests/base.at
+++ b/tests/base.at
@@ -7,8 +7,8 @@ AT_BANNER([Autoconf base layer.])
 #
 # 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
@@ -16,9 +16,7 @@ AT_BANNER([Autoconf base layer.])
 # 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/>.
 
 
 ## ------------------------------- ##
diff --git a/tests/c.at b/tests/c.at
index 33b2684b..668b6766 100644
--- a/tests/c.at
+++ b/tests/c.at
@@ -7,8 +7,8 @@ AT_BANNER([C low level compiling/preprocessing macros.])
 #
 # 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
@@ -16,9 +16,7 @@ AT_BANNER([C low level compiling/preprocessing macros.])
 # 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/>.
 
 
 # Since the macros which compile are required by most tests, check
diff --git a/tests/compile.at b/tests/compile.at
index 30028a09..49cd6cba 100644
--- a/tests/compile.at
+++ b/tests/compile.at
@@ -7,8 +7,8 @@ AT_BANNER([Low level compiling/preprocessing macros.])
 #
 # 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
@@ -16,9 +16,7 @@ AT_BANNER([Low level compiling/preprocessing macros.])
 # 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/>.
 
 
 # Since the macros which compile are required by most tests, check
diff --git a/tests/erlang.at b/tests/erlang.at
index e8a5de74..7865b144 100644
--- a/tests/erlang.at
+++ b/tests/erlang.at
@@ -6,8 +6,8 @@ AT_BANNER([Erlang low level compiling and utility macros.])
 #
 # 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
diff --git a/tests/foreign.at b/tests/foreign.at
index 30e9aabe..099a84f5 100644
--- a/tests/foreign.at
+++ b/tests/foreign.at
@@ -7,8 +7,8 @@ AT_BANNER([Compatibility with other tools.])
 #
 # 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
@@ -16,9 +16,7 @@ AT_BANNER([Compatibility with other tools.])
 # 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/>.
 
 
 ## --------- ##
diff --git a/tests/fortran.at b/tests/fortran.at
index 8bed4e66..ed58ee78 100644
--- a/tests/fortran.at
+++ b/tests/fortran.at
@@ -7,8 +7,8 @@ AT_BANNER([Fortran low level compiling/preprocessing macros.])
 #
 # 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
@@ -16,10 +16,7 @@ AT_BANNER([Fortran low level compiling/preprocessing macros.])
 # 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/>.
 
 # Since the macros which compile are required by most tests, check
 # them first.  But remember that looking for a compiler is even more
diff --git a/tests/local.at b/tests/local.at
index ed7e509a..acc46692 100644
--- a/tests/local.at
+++ b/tests/local.at
@@ -5,8 +5,8 @@
 
 # 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
@@ -14,9 +14,7 @@
 # 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/>.
 
 m4_version_prereq([2.57])
 
diff --git a/tests/m4sh.at b/tests/m4sh.at
index a7cef6c0..4627a48a 100644
--- a/tests/m4sh.at
+++ b/tests/m4sh.at
@@ -7,8 +7,8 @@ AT_BANNER([M4sh.])
 #
 # 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
@@ -16,9 +16,7 @@ AT_BANNER([M4sh.])
 # 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/>.
 
 ## ---------------- ##
 ## LINENO support.  ##
diff --git a/tests/m4sugar.at b/tests/m4sugar.at
index 2e89cc53..87c303f6 100644
--- a/tests/m4sugar.at
+++ b/tests/m4sugar.at
@@ -7,8 +7,8 @@ AT_BANNER([M4sugar.])
 #
 # 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
@@ -16,9 +16,7 @@ AT_BANNER([M4sugar.])
 # 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/>.
 
 
 # AT_CHECK_M4SUGAR_TEXT(CODE, STDOUT, STDERR)
diff --git a/tests/mktests.sh b/tests/mktests.sh
index 8ea39ff9..d44d6b9f 100755
--- a/tests/mktests.sh
+++ b/tests/mktests.sh
@@ -7,8 +7,8 @@
 
 # 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
@@ -16,9 +16,7 @@
 # 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/>.
 
 # If we fail, clean up, but touch the output files.  We probably failed
 # because we used some non-portable tool.
diff --git a/tests/semantics.at b/tests/semantics.at
index ce0e0e66..596c1cd9 100644
--- a/tests/semantics.at
+++ b/tests/semantics.at
@@ -7,8 +7,8 @@ AT_BANNER([Semantics.])
 #
 # 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
@@ -16,9 +16,7 @@ AT_BANNER([Semantics.])
 # 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/>.
 
 
 ## -------------------------------- ##
diff --git a/tests/statesave.m4 b/tests/statesave.m4
index 83f05e92..26640af3 100644
--- a/tests/statesave.m4
+++ b/tests/statesave.m4
@@ -5,8 +5,8 @@
 
 # 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
diff --git a/tests/suite.at b/tests/suite.at
index 6b3617a0..b4d1dc26 100644
--- a/tests/suite.at
+++ b/tests/suite.at
@@ -5,8 +5,8 @@
 #
 # 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
@@ -14,9 +14,7 @@
 # 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/>.
 
 # Run the tests from the lowest level to the highest level, and from
 # the most selective to the easiest.
diff --git a/tests/tools.at b/tests/tools.at
index cba570eb..60349813 100644
--- a/tests/tools.at
+++ b/tests/tools.at
@@ -7,8 +7,8 @@ AT_BANNER([Executables (autoheader, autoupdate...).])
 #
 # 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
@@ -16,9 +16,7 @@ AT_BANNER([Executables (autoheader, autoupdate...).])
 # 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/>.
 
 
 ## ----------------------------- ##
diff --git a/tests/torture.at b/tests/torture.at
index 11cd05ae..84eeda9b 100644
--- a/tests/torture.at
+++ b/tests/torture.at
@@ -5,8 +5,8 @@
 
 # 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
@@ -14,9 +14,7 @@
 # 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/>.
 
 
 AT_BANNER([[Testing config.status.]])
diff --git a/tests/wrapper.as b/tests/wrapper.as
index b335de7e..1c45bbbd 100644
--- a/tests/wrapper.as
+++ b/tests/wrapper.as
@@ -5,8 +5,8 @@ AS_INIT[]dnl                                            -*- shell-script -*-
 
 # 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
@@ -14,9 +14,7 @@ AS_INIT[]dnl                                            -*- shell-script -*-
 # 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/>.
 
 testdir='@abs_top_builddir@/tests'
 PATH=$testdir$PATH_SEPARATOR$PATH