option('introspection',
       type: 'boolean', value: true,
       description: 'Generate introspection data (requires gobject-introspection)')
option('vapi',
       type: 'boolean', value: true,
       description: 'Generate vapi data (requires vapigen)')

option('plugins',
       type: 'boolean', value: true,
       description: 'Build core plugins')

option('documentation',
       type: 'boolean', value: false,
       description: 'Build reference manual (requires gtk-doc)')

option('enable-gvfs-metadata',
        type: 'combo', choices : ['yes', 'no', 'auto'], value : 'auto',
        description: 'Enable using gvfs to store metadata')
