Additional plugins for GMPC. avahi, awn, lirc, microhttpd, and webkitgtk are optional deps. Some of these are available at SlackBuilds.org. If you have any of these and would like to enable the plugin, the variables are as follows: AVAHI AWN LIRC MSERVER WIKIPEDIA For example, if you have avahi and lirc, you would do this: AVAHI=yes LIRC=yes ./gmpc-plugins.SlackBuild