$(MAKE) -f Makefile.cds_lfht_add_unique clean
$(MAKE) -f Makefile.cds_lfht_add_replace clean
$(MAKE) -f Makefile.cds_lfht_del clean
$(MAKE) -f Makefile.cds_lfht_add_unique clean
$(MAKE) -f Makefile.cds_lfht_add_replace clean
$(MAKE) -f Makefile.cds_lfht_del clean