option('libnl', type: 'feature', value: 'auto', description: 'Enable libnl support for network related features') option('libudev', type: 'feature', value: 'auto', description: 'Enable libudev support for udev related features') option('pulseaudio', type: 'feature', value: 'auto', description: 'Enable support for pulseaudio') option('dbusmenu-gtk', type: 'feature', value: 'auto', description: 'Enable support for tray') option('out', type: 'string', value : '/', description: 'output prefix directory')