X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fmemchr.m4;h=1194bac2e81dbadeb030ed946d00f2304bd000c0;hb=e3e47d1710f6154c54b65c5d9dd5d56516a893d6;hp=0f899d21ea0bbf08f851ae5360c5549804d1c6e0;hpb=ea5142f7369225f5aef66f89f9b9d1421c6dceff;p=gnulib.git

diff --git a/m4/memchr.m4 b/m4/memchr.m4
index 0f899d21e..1194bac2e 100644
--- a/m4/memchr.m4
+++ b/m4/memchr.m4
@@ -1,10 +1,10 @@
-# memchr.m4 serial 6
+# memchr.m4 serial 7
 dnl Copyright (C) 2002, 2003, 2004, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
-AC_DEFUN([gl_FUNC_MEMCHR],
+AC_DEFUN_ONCE([gl_FUNC_MEMCHR],
 [
   dnl Check for prerequisites for memory fence checks.
   gl_FUNC_MMAP_ANON