GRAPHVIZ_PDFS:=$(patsubst %.dot,%.pdf,$(wildcard *.dot))

.PHONY: all clean
all: ${GRAPHVIZ_PDFS}

%.pdf: %.svg
	inkscape $< --export-area-drawing --batch-process --export-type=pdf --export-filename=$@

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

clean:
	rm -rf ${GRAPHVIZ_PDFS}