From 248223b210c479e6e4fbd31e180c5eda4fd7a6dc Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Sat, 5 Feb 2011 13:52:41 +0100
Subject: [PATCH] New module 'wmemchr', part 3.

---
 m4/wmemchr.m4 | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/m4/wmemchr.m4 b/m4/wmemchr.m4
index 9a52b34f2d..b2a2052918 100644
--- a/m4/wmemchr.m4
+++ b/m4/wmemchr.m4
@@ -6,5 +6,10 @@ dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_FUNC_WMEMCHR],
 [
-  AC_REPLACE_FUNCS([wmemchr])
+  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+  AC_CHECK_FUNCS_ONCE([wmemchr])
+  if test $ac_cv_func_wmemchr = no; then
+    HAVE_WMEMCHR=0
+    AC_LIBOBJ([wmemchr])
+  fi
 ])
-- 
2.30.2