PHP安装扩展异常记录
使用phpize命令
异常:configure.ac:3: error: Autoconf version 2.68 or higher is required
原因:Autoconf版本不够高
rpm -qf /usr/bin/autoconf
autoconf-2.63-5.1.el6.noarch
rpm -e --nodeps autoconf-2.63
wget http://ftp.gnu.org/gnu/autoconf/autoconf-2.69.tar.gz
tar -zxvf autoconf-2.69.tar.gz
cd autoconf-2.69
./configure --prefix=/usr/
make && make install
rpm -qf /usr/bin/autoconf