While execute phpize in centos or fedora system, the error has received Cannot find autoconf. Please check your autoconf installation,

#  /opt/lampp/bin/phpize

Configuring for:
PHP Api Version:         20131106
Zend Module Api No:      20131226
Zend Extension Api No:   220131226
Cannot find autoconf. Please check your autoconf installation and the $PHP_AUTOCONF environment variable. Then, rerun this script.


Which means need to install necessary packages , Install autoconf

CentOS:
 
# yum install autoconf

Ubuntu :
 
# apt-get install autoconf