all:
	for dot in *.dot; do make $${dot%%.dot}.png; done
	for dot in *.dot; do make $${dot%%.dot}.pdf; done
	for dot in *.dot; do make $${dot%%.dot}.svg; done

clean:
	rm -f *.png *.pdf *.svg

%.png: %.dot
	dot -Tpng < $< > $@

%.pdf: %.dot
	dot -Tpdf < $< > $@

%.svg: %.dot
	dot -Tsvg < $< > $@