运行phpize时出现：Cannot find autoconf. Please check your autoconf installation

运行/usr/local/php/bin/phpize时出现 Cannot find autoconf. Please check your autoconf installation：

Configuring for: PHP Api Version:         20041225 Zend Module Api No:      20060613 Zend Extension Api No:   220060519 Cannot find autoconf. Please check your autoconf installation and the $PHP_AUTOCONF environment variable. Then, rerun this script.

根据网上的解决办法是：

cd /usr/src
wget http://ftp.gnu.org/gnu/m4/m4-1.4.16.tar.gz
tar -zvxf m4-1.4.16.tar.gz
cd m4-1.4.16/
./configure && make && make install
cd ../
wget http://ftp.gnu.org/gnu/autoconf/autoconf-2.69.tar.gz
tar -zvxf autoconf-2.69.tar.gz
cd autoconf-2.69/
./configure && make && make install