How to activate plugins automatically in the theme WordpressMu?

How can I activate plugin using function.php? so when the theme is activated, it will also a开发者_运维技巧ctivate specific plugins. thanks

@me Quite Simple

  require_once('path../wp-admin/includes/plugin.php');
  activate_plugin($plugin_path);    // Activate Plugin

You can include() the plugin's main php file, but you may have some problems with some of the plugin's hooks so beware :)