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En includes/defines.php

define('JPATH_ROOT', implode(DIRECTORY_SEPARATOR, $parts));

define('JPATH_SITE', JPATH_ROOT);

define('JPATH_CONFIGURATION', JPATH_ROOT);

define('JPATH_ADMINISTRATOR', JPATH_ROOT . DIRECTORY_SEPARATOR . 'administrator');

define('JPATH_LIBRARIES', JPATH_ROOT . DIRECTORY_SEPARATOR . 'libraries');

define('JPATH_PLUGINS', JPATH_ROOT . DIRECTORY_SEPARATOR . 'plugins');

define('JPATH_INSTALLATION', JPATH_ROOT . DIRECTORY_SEPARATOR . 'installation');

define('JPATH_THEMES', JPATH_BASE . DIRECTORY_SEPARATOR . 'templates');

define('JPATH_CACHE', JPATH_BASE . DIRECTORY_SEPARATOR . 'cache');

define('JPATH_MANIFESTS', JPATH_ADMINISTRATOR . DIRECTORY_SEPARATOR . 'manifests');