From 7674ff50b75693ecf089e874652f50ea95ed8d51 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 21 Mar 2005 20:49:41 +0000
Subject: [PATCH] (gl_FUNC_MEMRCHR): Check for memrchr decl.

---
 m4/memrchr.m4 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/m4/memrchr.m4 b/m4/memrchr.m4
index 8ce7d9e467..e2406ec899 100644
--- a/m4/memrchr.m4
+++ b/m4/memrchr.m4
@@ -11,6 +11,8 @@ AC_DEFUN([gl_FUNC_MEMRCHR],
   dnl Persuade glibc <string.h> to declare memrchr().
   AC_REQUIRE([AC_GNU_SOURCE])
 
+  AC_CHECK_DECLS_ONCE([memrchr])
+
   AC_REPLACE_FUNCS(memrchr)
   if test $ac_cv_func_memrchr = no; then
     gl_PREREQ_MEMRCHR
-- 
2.30.2