X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fsafe-read.m4;h=7916242053aca669ab9f6ab6277d9a9bafb8ed2d;hb=531e3287a33c005edeeba10b0ab0910c6686e049;hp=873863442aada9755841972748f609198cc87a80;hpb=53b8fa05726a7fb30010e42ce02e44a35f0d7489;p=gnulib.git

diff --git a/m4/safe-read.m4 b/m4/safe-read.m4
index 873863442..791624205 100644
--- a/m4/safe-read.m4
+++ b/m4/safe-read.m4
@@ -1,18 +1,12 @@
-# safe-read.m4 serial 1
-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.
-
-AC_DEFUN([gl_SAFE_READ],
-[
-  gl_PREREQ_SAFE_READ
-])
+# safe-read.m4 serial 6
+dnl Copyright (C) 2002-2003, 2005-2006, 2009-2011 Free Software Foundation,
+dnl 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.
 
 # Prerequisites of lib/safe-read.c.
 AC_DEFUN([gl_PREREQ_SAFE_READ],
 [
-  AC_CHECK_HEADERS_ONCE(unistd.h)
+  AC_REQUIRE([gt_TYPE_SSIZE_T])
 ])