PICTURES = a.pdf b.pdf c.pdf	# Put your list here

# Rule to make .pdf file from .jgr (jgraph) file - requires epstopdf,jgraph
%.pdf : %.jgr
	cat $< | jgraph | epstopdf --filter > $@

# Rule to make .pdf file from .g (gnuplot) file - requires gnuplot,epstopdf
%.pdf : %.g
	gnuplot $<
	epstopdf $*.eps && rm $*.eps

# Rule to make .pdf file from .fig (xfig?) file - requires fig2dev
%.pdf : %.fig
	fig2dev -L pdf -p portrait $< > $@

# Default target
all : $(PICTURES)
	@ls -l $(PICTURES)

clean :
	rm -f $(PICTURES)