option('lua51',
       type: 'boolean', value: true,
       description: 'Enable Lua 5.1 support (requires lua-lgi)')

option('python2',
       type: 'boolean', value: false,
       description: 'Enable Python 2 support (requires pygobject)')
option('python3',
       type: 'boolean', value: true,
       description: 'Enable Python 3 support (requires pygobject)')

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

option('widgetry',
       type: 'boolean', value: true,
       description: 'Build GTK+ widgetry (requires gtk+)')
option('glade_catalog',
       type: 'boolean', value: true,
       description: 'Install Glade catalog (requires gladeui)')

option('demos',
       type: 'boolean', value: true,
       description: 'Build demo programs')

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