Wikimedia Bugzilla is closed!

When i try to install mediawiki in a Gentoo Linux server, with Apache Server
version: Apache/2.0.54
, PHP 4.4.0-pl1-gentoo and mysqld  Ver 4.0.24, gives me the error below

Checking environment...

Please include all of the lines below when reporting installation problems.

    * PHP 4.3.11 installed
    * PHP server API is apache2handler; ok, using pretty URLs (index.php/Page_Title)
    * Have XML / Latin1-UTF-8 conversion support.
    * PHP is configured with no memory_limit.
    * Have zlib support; enabling output compression.
    * Neither Turck MMCache nor eAccelerator are installed, can't use object
caching functions
    * Found GNU diff3: /usr/bin/diff3.
    * Found GD graphics library built-in, image thumbnailing will be enabled if
you enable uploads.
    * Installation directory: /var/www/localhost/htdocs/informatica/v2/wiki
    * Script URI path: /v2/wiki
    * Environment checked. You can install MediaWiki.

      Generating configuration file...
    * Database type: mysql

      Fatal error: Cannot redeclare class user in
/var/www/localhost/htdocs/informatica/v2/wiki/includes/User.php on line 23

As i checked, Class user is only declared once. 

lisandro wiki # fgrep -r "class User" *
docs/memcached.txt:     stores: instance of class User
includes/SpecialUserrights.php:class UserrightsForm extends HTMLForm {
includes/SpecialUserrights.php:} // end class UserrightsForm
includes/templates/Userlogin.php:class UserloginTemplate extends QuickTemplate {
includes/templates/Userlogin.php:class UsercreateTemplate extends QuickTemplate {
includes/User.php:class User {
maintenance/userDupes.inc:class UserDupes {