NULL =

memcheck:
	@for dir in $(SUBDIRS); do \
		test "$$dir" = "." || $(MAKE) -C $$dir memcheck; \
	done

leakcheck:
	@for dir in $(SUBDIRS); do \
		test "$$dir" = "." || $(MAKE) -C $$dir leakcheck; \
	done

hellcheck:
	@for dir in $(SUBDIRS); do \
		test "$$dir" = "." || $(MAKE) -C $$dir hellcheck; \
	done