option('enable-appindicator',        type: 'boolean', value: false)
option('enable-wingpanel-indicator', type: 'boolean', value: false)
option('for-elementary',             type: 'boolean', value: false)
option('for-ubuntu',                 type: 'boolean', value: false)
option('use-libhandy',               type: 'boolean', value: false)
option('use-rdnn-everywhere',        type: 'boolean', value: false)