%.html: %.texi.in
	m4 $prereq | texi2html --split=chapter --prefix=$stem -

%.pdf: %.texi.in
	m4 $prereq > $stem.texi
	texi2pdf -b $stem.texi; rm -f manual.texi

%.info: %.texi.in
	m4 $prereq | makeinfo -

default:QV:
	echo 'Please specify one of "html", "pdf" or "info" as targets.'
	exit 1

pdf:V: manual.pdf
html:V: manual.html
info:V: manual.info

clean:V:
	rm -f *.{aux,cp,cps,df,fn,ky,log,pg,toc,tp,vr}
	rm -f *.info
	rm -f *.html
	rm -f *.pdf
	rm -f manual.texi