X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Freadlink.m4;h=083456551629f05711ee59dca89b958db694b0a7;hb=f6183e64302b3af947cdd932049180b5a32f6443;hp=ec53e14db86a6316fab7be3c1d6d94c40d07b43d;hpb=2b2d00f3641023f822d6f0aa981b1570de2196ce;p=gnulib.git

diff --git a/m4/readlink.m4 b/m4/readlink.m4
index ec53e14db..083456551 100644
--- a/m4/readlink.m4
+++ b/m4/readlink.m4
@@ -1,15 +1,15 @@
-# readlink.m4 serial 2
-dnl Copyright (C) 2003 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.
+# readlink.m4 serial 3
+dnl Copyright (C) 2003, 2007 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_READLINK],
 [
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
   AC_CHECK_FUNCS(readlink)
   if test $ac_cv_func_readlink = no; then
+    HAVE_READLINK=0
     AC_LIBOBJ(readlink)
     gl_PREREQ_READLINK
   fi