CentOS6.5升级autoconf版本 Autoconf version 2.64 or higher is required

安装软件时提示说需要Autoconf 2.64或更高的版本

[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

查询当前版本

[root@BobServerStation twemproxy]# rpm -qf /usr/bin/autoconf

autoconf-2.63-5.1.el6.noarch

卸载当前版本

[root@BobServerStation twemproxy]# rpm -e --nodeps autoconf-2.63

安装最新版本

[root@BobServerStation twemproxy]# wget ftp://ftp.gnu.org/gnu/autoconf/autoconf-2.68.tar.gz

[root@BobServerStation twemproxy]# tar zxvf autoconf-2.68.tar.gz

[root@BobServerStation twemproxy]# cd autoconf-2.68

[root@BobServerStation twemproxy]# ./configure --prefix=/usr/

[root@BobServerStation twemproxy]# make && make install

查看当前版本

[root@BobServerStation autoconf-2.68]# /usr/bin/autoconf -V

autoconf (GNU Autoconf) 2.68

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.

至此，autoconf已升级到2.68。