X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fbackupfile.m4;h=f1de0bf8563b61e21ba4503a0c300a451424b6aa;hb=6c7676917dc405c3db23d307137da507511a6847;hp=0793f1f004d303a15f5afaae6e4ac0d5ea0bbc31;hpb=25be25141892b856543719f2046220501412d4c9;p=gnulib.git

diff --git a/m4/backupfile.m4 b/m4/backupfile.m4
index 0793f1f00..f1de0bf85 100644
--- a/m4/backupfile.m4
+++ b/m4/backupfile.m4
@@ -1,18 +1,13 @@
-# backupfile.m4 serial 5
-dnl Copyright (C) 2002, 2003, 2004 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.
+# backupfile.m4 serial 14
+dnl Copyright (C) 2002-2006, 2009-2011 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.
 
+dnl Prerequisites of lib/backupfile.c.
 AC_DEFUN([gl_BACKUPFILE],
 [
-  dnl Prerequisites of lib/backupfile.c.
-  AC_REQUIRE([AC_HEADER_DIRENT])
   AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_INO])
-  AC_REQUIRE([gl_AC_DOS])
   AC_REQUIRE([AC_SYS_LONG_FILE_NAMES])
-  AC_CHECK_HEADERS_ONCE(unistd.h)
-  AC_CHECK_FUNCS(pathconf)
+  AC_CHECK_FUNCS_ONCE([pathconf])
 ])