option('development', type: 'boolean', value: false, description: 'whether this is a development build')
option('platform', type: 'combo', choices: ['gnome', 'win32'], value: 'gnome', description: 'for which platform to build')

option('viewer', type: 'boolean', value: true, description: 'whether Viewer support is requested')
option('previewer', type: 'boolean', value: true, description: 'whether Previewer support is requested')
option('thumbnailer', type: 'boolean', value: true, description: 'whether Thumbnailer support is requested')
option('nautilus', type: 'boolean', value: false, description: 'whether Nautilus support is requested')

option('comics', type: 'feature', value: 'auto', description: 'whether Comics support is requested')
option('djvu', type: 'feature', value: 'auto', description: 'whether DJVU support is requested')
option('dvi', type: 'feature', value: 'auto', description: 'whether DVI support is requested')
option('pdf', type: 'feature', value: 'enabled', description: 'whether PDF support is requested')
option('ps', type: 'feature', value: 'disabled', description: 'whether PS support is requested')
option('tiff', type: 'feature', value: 'auto', description: 'whether TIFF support is requested')
option('xps', type: 'feature', value: 'auto', description: 'whether XPS support is requested')

option('gtk_doc', type: 'boolean', value: true, description: 'whether GTK Doc reference is requested')
option('user_doc', type: 'boolean', value: true, description: 'whether User documentation is requested')
option('introspection', type: 'boolean', value: true, description: 'whether introspection support is requested')
option('dbus', type: 'boolean', value: true, description: 'whether DBUS support is requested')
option('keyring', type: 'feature', value: 'auto', description: 'whether keyring support is requested')
option('gtk_unix_print', type: 'feature', value: 'auto', description: 'whether gtk+-unix-print support is requested')
option('thumbnail_cache', type: 'feature', value: 'auto', description: 'whether GNOME Desktop (Thumbnail cache) is requested')
option('multimedia', type: 'feature', value: 'auto', description: 'whether multimedia support is requested')
option('gspell', type: 'feature', value: 'auto', description: 'whether gpsell support is requested')

option('internal_synctex', type: 'combo', value: 'auto', choices : ['auto', 'true', 'false'], description: 'whether to use the internal synctex')

option('systemduserunitdir', type: 'string', value: '', description: 'custom directory for systemd user units, or \'no\' to disable')