config_query_option EVINCE_THUMB "Enable GNOME thumbnailer support?" y   \
                    "--enable-thumbnailer" "--disable-thumbnailer"       &&

config_query_option EVINCE_DVI "Enable dvi viewer support?" n            \
                    "--enable-dvi" "--disable-dvi"                       &&

config_query_option EVINCE_COMIC "Enable comic book archive support?" n  \
                    "--enable-comics" "--disable-comics"

.