include $(LEVEL)/Makefile.config
-# CFLAGS needs to be set before Makefile.rules is included. Yes, ocaml puts its
-# includes under its libdir.
-CFLAGS += -I$(OCAML_LIBDIR)
+# CFLAGS needs to be set before Makefile.rules is included.
+CFLAGS += -I$(shell $(OCAMLC) -where)
include $(LEVEL)/Makefile.common