lwt: add camlp4 dependency
deriving: add camlp4 deps
optcomp: add camlp4 dependency
bitstring: add camlp4 dependency
froc: add camlp4 dependency
bisect: add camlp4 dependencies
Merge branch 'master' of git://github.com/ocaml/opam-repository into camlp4-deps
Merge branch 'master' of git://github.com/ocaml/opam-repository into camlp4-deps
camomile: add camlp4 dependency
Merge pull request #2000 from avsm/camlp4-deps

More camlp4 deps