From a64b1f68b18ee4ef98d99da2b96b9b8c850960e2 Mon Sep 17 00:00:00 2001
From: Akim Demaille <demaille@gostai.com>
Date: Fri, 13 Jan 2012 12:00:12 +0100
Subject: [PATCH] maint: catch missing gnulib macros.

	* configure.ac: Add m4_pattern_forbid.
---
 ChangeLog    | 5 +++++
 configure.ac | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index c49741d1..c6cbac8a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-01-13  Akim Demaille  <akim@lrde.epita.fr>
+
+	maint: catch missing gnulib macros.
+	* configure.ac: Add m4_pattern_forbid.
+
 2012-01-11  Tim Landscheidt  <tim@tim-landscheidt.de>
 
 	java: remove used variable.
diff --git a/configure.ac b/configure.ac
index 55dfa960..8dd693a6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,8 @@
 # keyword in at least string.h from gnulib.  We need Autoconf 2.68 or
 # better to avoid a typo in the `configure --help' entry for the YACC
 # environment variable.
-AC_PREREQ(2.68)
+AC_PREREQ([2.68])
+m4_pattern_forbid([^gl_[A-Z]])
 
 AC_INIT([GNU Bison],
         m4_esyscmd([build-aux/git-version-gen .tarball-version]),
-- 
2.45.2