# HG changeset patch
# User Paul Eggert <eggert@cs.ucla.edu>
# Date 1124585487 0
# Node ID 371903e6dfeef0cd7039575ca2a95789c2e0fb74
# Parent  221ad521f97671ff53c21fc534dcf6018ffcb61f
* m4/regex.m4 (gl_PREREQ_REGEX): Require AC_GNU_SOURCE.

diff --git a/m4/ChangeLog b/m4/ChangeLog
--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,3 +1,7 @@
+2005-08-20  Bruno Haible  <bruno@clisp.org>
+
+	* regex.m4 (gl_PREREQ_REGEX): Require AC_GNU_SOURCE.
+
 2005-08-17  Bruno Haible  <bruno@clisp.org>
 
 	* strcasestr.m4: New file.
diff --git a/m4/regex.m4 b/m4/regex.m4
--- a/m4/regex.m4
+++ b/m4/regex.m4
@@ -1,4 +1,4 @@
-#serial 24
+#serial 25
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005 Free
 # Software Foundation, Inc.
@@ -125,6 +125,7 @@
 # Prerequisites of lib/regex.c and lib/regex_internal.c.
 AC_DEFUN([gl_PREREQ_REGEX],
 [
+  AC_REQUIRE([AC_GNU_SOURCE])
   AC_REQUIRE([gl_C_RESTRICT])
   AC_REQUIRE([AM_LANGINFO_CODESET])
   AC_CHECK_HEADERS_ONCE([locale.h wchar.h wctype.h])