X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fwcwidth.m4;h=df7919bd73d83d3fb4f1154d67e58231894532ea;hb=48ee8b2ef2165371632bc30c5f183f64d1e7f50e;hp=a260998a8b07c7e11504468df07de73f662e4f5a;hpb=7599e817ca9e12244449ca2fad855b96f6c8b817;p=gnulib.git

diff --git a/m4/wcwidth.m4 b/m4/wcwidth.m4
index a260998a8..df7919bd7 100644
--- a/m4/wcwidth.m4
+++ b/m4/wcwidth.m4
@@ -1,4 +1,4 @@
-# wcwidth.m4 serial 11
+# wcwidth.m4 serial 12
 dnl Copyright (C) 2006, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -9,7 +9,7 @@ AC_DEFUN([gl_FUNC_WCWIDTH],
   AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
 
   dnl Persuade glibc <wchar.h> to declare wcwidth().
-  AC_REQUIRE([AC_GNU_SOURCE])
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
   AC_REQUIRE([gt_TYPE_WCHAR_T])
   AC_REQUIRE([gt_TYPE_WINT_T])