Use packages list generated by ocaml setup.ml -configure

[gildor478]

This feature request has been migrated from artifact #550 on forge.ocamlcore.org. It was assigned to user102.

user102 posted on 2010-04-08 10:13:56:

In MyOCamlbuildFindlib, we do the whole listing of findlib packages to create matching tags. Maybe it is more efficient to use only the tag that are defined in _oasis and checked by -configure.