 ifdef CLEANPPUFILES  -$(DEL) $(CLEANPPUFILES) endif ifneq ($(CLEANPPULINKFILES),)  -$(DEL) $(CLEANPPULINKFILES) endif ifdef CLEANRSTFILES  -$(DEL) $(addprefix $(UNITTARGETDIRPREFIX),$(CLEANRSTFILES)) endif endif ifdef CLEAN_FILES  -$(DEL) $(CLEAN_FILES) endif 