-OCAMLOPTIONS = -package "$(REQUIRES)" -predicates "$(PREDICATES)" -pp camlp4o
-OCAMLC = ocamlfind ocamlc $(OCAMLOPTIONS)
-OCAMLOPT = ocamlfind ocamlopt $(OCAMLOPTIONS)
-OCAMLDEP = ocamldep -pp camlp4o
+PREPROCOPTIONS = -pp camlp4o
+PREREQ =
+OCAMLOPTIONS = -package "$(REQUIRES)" -predicates "$(PREDICATES)"
+OCAMLC = ocamlfind ocamlc $(OCAMLOPTIONS) $(PREPROCOPTIONS)
+OCAMLOPT = ocamlfind ocamlopt $(OCAMLOPTIONS) $(PREPROCOPTIONS)
+OCAMLDEP = ocamlfind ocamldep $(PREPROCOPTIONS)