XOBJS := $(OBJS:.cmo=.cmx)
-OCAMLCFLAGS := -g -w s
+OCAMLCFLAGS := -g -warn-error A
OCAMLCLIBS := -linkpkg
OCAMLOPTPACKAGES := $(OCAMLCPACKAGES)
-OCAMLOPTFLAGS := -w s
+OCAMLOPTFLAGS := -warn-error A
OCAMLOPTLIBS := $(OCAMLCLIBS)
BYTE_TARGETS := virt-top