if spell_ok gstreamer; then config_query_list TRACKER_EXTRACTOR "Which video extractor to use?" \ gstreamer xine external elif spell_ok xine-lib; then config_query_list TRACKER_EXTRACTOR "Which video extractor to use?" \ xine gstreamer external else config_query_list TRACKER_EXTRACTOR "Which video extractor to use?" \ external gstreamer xine fi && config_query_option TRACKER_SEARCH_TOOL "Build tracker-needle (tracker-search-tool replacement)?" y \ "--enable-tracker-needle" \ "--disable-tracker-needle" && config_query_option TRACKER_PREFERENCES "Build tracker-preferences?" y \ "--enable-tracker-preferences" \ "--disable-tracker-preferences" && config_query_option TRACKER_EXPLORER "Build tracker-explorer?" y \ "--enable-tracker-explorer" \ "--disable-tracker-explorer" && config_query_option TRACKER_SEARCH_BAR "Build tracker-search-bar?" y \ "--enable-tracker-search-bar" \ "--disable-tracker-search-bar"