CentOS6.5升级autoconf版本 Autoconf version 2.64 or higher is required
[root@BobServerStation twemproxy]# autoconf
configure.ac:8: error: Autoconf version 2.64 or higher is required
configure.ac:8: the top level
autom4te: /usr/bin/m4 failed with exit status: 63
[root@BobServerStation twemproxy]# rpm -qf /usr/bin/autoconf
autoconf-2.63-5.1.el6.noarch
[root@BobServerStation twemproxy]# rpm -e --nodeps autoconf-2.63
[root@BobServerStation twemproxy]# wget ftp://ftp.gnu.org/gnu/autoconf/autoconf-2.68.tar.gz
[root@BobServerStation autoconf-2.68]# /usr/bin/autoconf -V
autoconf (GNU Autoconf) 2.68
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+/Autoconf: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>, <http://gnu.org/licenses/exceptions.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.