dummy:
	@echo You have to make something ...

date:
	sed "1s/(.*)/(`date`)/" < README > README+
	mv README+ README

patches:
	@echo "Patches? Patches?  We don't need no stinking patches!"
	@bin/makepatches

clean:
	@echo cleaning source tree
	@cd src; make clean

realclean:
	@echo cleaning at top level
	@rm -f R-Image
	@-rm -f bin/R*
	@-rm -f `ls psmetrics/* | sed /CVS/d`
	@-rm -f `ls library/* | sed /CVS/d`
#	@-rm -f `ls help/* | sed /CVS/d`
	@-rm -rf `ls html/funs/* | sed /CVS/d`
	@-rm -rf `ls dvi/* | sed /CVS/d`
	@echo really cleaning the source tree
	@cd src; make realclean