let supported_formats () =
let standard = ["cudf://";"deb://";"deb://-";"eclipse://"] in
let rpm =
IFDEF HASRPM THEN
["hdlist://";"synthesis://"]
ELSE
[]
END
in
let db =
IFDEF HASDB THEN
["pgsql://";"sqlite://"]
ELSE
[]
END
in
standard@rpm@db