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

    * PHP 5.2.2-pl1-gentoo installed
    * Found database drivers for: MySQL
    * PHP server API is apache2handler; ok, using pretty URLs (index.php/Page_Title)
    * Have XML / Latin1-UTF-8 conversion support.
    * PHP's memory_limit is 128M. If this is too low, installation may fail!
    * Have zlib support; enabling output compression.
    * Couldn't find Turck MMCache, eAccelerator or APC. Object caching functions cannot be used.
    * Found GNU diff3: /usr/bin/diff3.
    * Found ImageMagick: /usr/bin/convert; image thumbnailing will be enabled if you enable uploads.
    * Found GD graphics library built-in.
    * Installation directory: /home/httpd/htdocs/mediawiki
    * Script URI path: /mediawiki
    * Environment checked. You can install MediaWiki.

      Generating configuration file...
    * Database type: MySQL
    * Loading class: DatabaseMysql
    * Attempting to connect to database server as root...success.
    * Connected to 5.0.38-log
    * Database wiki exists
    * There are already MediaWiki tables in this database. Checking if updates are needed...

      ...hitcounter table already exists.
      ...querycache table already exists.
      ...objectcache table already exists.
      Creating categorylinks table...Query "CREATE TABLE `categorylinks` (
       cl_from int(8) unsigned NOT NULL default '0',
       cl_to varchar(255) binary NOT NULL default '',
       cl_sortkey varchar(86) binary NOT NULL default '',
       cl_timestamp timestamp NOT NULL,
       UNIQUE KEY cl_from(cl_from,cl_to),
       KEY cl_sortkey(cl_to,cl_sortkey),
       KEY cl_timestamp(cl_to,cl_timestamp)
       ) TYPE=InnoDB
      " failed with error code "Specified key was too long; max key length is 1000 bytes (localhost)".