X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fmemcmp.m4;h=4442e47b6945300103ffb255dc32eb78502a76cb;hb=10d07d3dae308f7bcfb60f319ccbb2f3ff9f1275;hp=e76aeda87079989ffeae71c51542904155854428;hpb=409d8f2d902cc6e12e40b08200f5dac27d0e98cb;p=gnulib.git

diff --git a/m4/memcmp.m4 b/m4/memcmp.m4
index e76aeda87..4442e47b6 100644
--- a/m4/memcmp.m4
+++ b/m4/memcmp.m4
@@ -1,13 +1,22 @@
-#serial 1
+# memcmp.m4 serial 8
+dnl Copyright (C) 2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
 
-dnl If you use this macro in a package, you should
-dnl add the following two lines to acconfig.h:
-dnl   /* Define to rpl_memcmp if the replacement function should be used.  */
-dnl   #undef memcmp
-dnl
-AC_DEFUN(jm_FUNC_MEMCMP,
-[AC_REQUIRE([AC_FUNC_MEMCMP])dnl
- if test $ac_cv_func_memcmp_clean = no; then
-   AC_DEFINE_UNQUOTED(memcmp, rpl_memcmp)
- fi
+AC_DEFUN([jm_FUNC_MEMCMP],
+[
+  AC_REQUIRE([AC_FUNC_MEMCMP])
+  if test $ac_cv_func_memcmp_working = no; then
+    AC_DEFINE(memcmp, rpl_memcmp,
+      [Define to rpl_memcmp if the replacement function should be used.])
+    gl_PREREQ_MEMCMP
+  fi
+])
+
+# Prerequisites of lib/memcmp.c.
+AC_DEFUN([gl_PREREQ_MEMCMP], [
+  AC_CHECK_HEADERS_ONCE(string.h)
 ])