title: cannot find autoconf. please check your autoconf installation Xampp in CentOS
body: <p>Getting another error when configuring memcahed with php in XAMPP in CentOS</p>
  
  <pre><code>#  /opt/lampp/bin/phpize
  Configuring for:
  PHP Api Version:         20131106
  Zend Module Api No:      20131226
  Zend Extension Api No:   220131226
  </code></pre>
  
  <blockquote>
    <p><strong>Cannot find autoconf. Please check your autoconf installation</strong> and
    the
        $PHP_AUTOCONF environment variable. Then, rerun this script.</p>
  </blockquote>
  
  <p>How to resolved it ?</p>