-install: install.sbindir $(R)$(sbindir)/checkrad
+install: $(R)$(sbindir)/checkrad
-$(R)$(sbindir)/checkrad: src/main/checkrad
+$(R)$(sbindir)/checkrad: src/main/checkrad | $(R)$(sbindir)
@echo INSTALL $(notdir $<)
@$(INSTALL) -m 755 $< $(R)$(sbindir)