autoconf 版本升级

安装软件时提示说需要Autoconf 2.64或更高的版本：

1. [root@wslu-cs wslu]# autoconf

2. configure.ac:8: error: Autoconf version 2.64 or higher is required

3. configure.ac:8: the top level

4. autom4te: /usr/bin/m4 failed with exit status: 63

查询当前版本：

1. [root@wslu-cs wslu]# rpm -qf /usr/bin/autoconf

2. autoconf-2.63-5.1.el6.noarch

卸载当前版本：

[root@wslu-cs wslu]# rpm -e --nodeps autoconf-2.63

安装最新版本：

1. [root@wslu-cs wslu]# wget ftp://ftp.gnu.org/gnu/autoconf/autoconf-2.69.tar.gz

2. [root@wslu-cs wslu]# tar zxvf autoconf-2.69.tar.gz

3. [root@wslu-cs wslu]# cd autoconf-2.69

4. [root@wslu-cs wslu]# ./configure --prefix=/usr/

5. [root@wslu-cs wslu]# make && make install

查看当前版本：

1. [root@wslu-cs autoconf-2.69]# /usr/bin/autoconf -V

2. autoconf (GNU Autoconf) 2.69

3. Copyright (C) 2010 Free Software Foundation, Inc.

4. License GPLv3+/Autoconf: GNU GPL version 3 or later

5. <http://gnu.org/licenses/gpl.html>, <http://gnu.org/licenses/exceptions.html>

6. This is free software: you are free to change and redistribute it.

7. There is NO WARRANTY, to the extent permitted by law.

8.  

9. Written by David J. MacKenzie and Akim Demaille