PREPROCOPTIONS = -pp camlp4o
PREREQ =
-OCAMLOPTIONS = -package "$(REQUIRES)" -predicates "$(PREDICATES)"
+OCAMLOPTIONS = -package "$(REQUIRES)" -predicates "$(PREDICATES)" -thread
OCAMLDEBUGOPTIONS = -g
OCAMLFIND = ocamlfind
OCAMLC = $(OCAMLFIND) ocamlc $(OCAMLDEBUGOPTIONS) $(OCAMLOPTIONS) $(PREPROCOPTIONS)