If there's a GPL vN copyright comment, require that N == 3.

* Makefile.maint (sc_GPL_version): New rule.
* tests/misc/arch: Fix the sole violation.

3 files changed, 12 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 95f77acb3..03cc88d41 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-07-11  Jim Meyering  <jim@meyering.net>
+
+	If there's a GPL vN copyright comment, require that N == 3.
+	* Makefile.maint (sc_GPL_version): New rule.
+	* tests/misc/arch: Fix the sole violation.
+
 2007-07-10  Jim Meyering  <jim@meyering.net>
 
 	Skip "arch" test if it's not built.
diff --git a/Makefile.maint b/Makefile.maint
index 088ddf35b..f0c98c876 100644
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -355,6 +355,11 @@ sc_useless_cpp_parens:
 	  { echo '$(ME): found useless parentheses in cpp directive'	\
 		1>&2; exit 1; } || :
 
+# Require the latest GPL.
+sc_GPL_version:
+	@grep -n 'either ''version [^3]' $$($(CVS_LIST_EXCEPT)) &&	\
+	  { echo '$(ME): GPL vN, N!=3' 1>&2; exit 1; } || :
+
 # Ensure that the c99-to-c89 patch applies cleanly.
 patch-check:
 	rm -rf src-c89 $@.1 $@.2
diff --git a/tests/misc/arch b/tests/misc/arch
index a55a02c1c..6082cccab 100755
--- a/tests/misc/arch
+++ b/tests/misc/arch
@@ -5,7 +5,7 @@
 
 # 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
+# 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,