# onceonly_2_57.m4 serial 3
-dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2003, 2005 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 size reduction is ca. 9%.
dnl Autoconf version 2.57 or newer is recommended.
-AC_PREREQ(2.54)
+AC_PREREQ(2.57)
# AC_CHECK_HEADERS_ONCE(HEADER1 HEADER2 ...) is a once-only variant of
# AC_CHECK_HEADERS(HEADER1 HEADER2 ...).