bldcmd=R CMD Sweave

rrv.pdf: rrv.tex v1s3.tex maia2.sty
	pdflatex rrv.tex

rrv.tex: rrv.rnw
	$(bldcmd) rrv.rnw

v1s3.tex: ext/v1s3.rnw
	$(bldcmd) ext/v1s3.rnw


