all: latex.pdf tex.pdf

latex.pdf: latex.ps
	pstopdf latex.ps
latex.ps: latex.dvi
	dvips -N latex.dvi
latex.dvi: latex.tex
	latex latex.tex

tex.pdf: tex.ps
	pstopdf tex.ps
tex.ps: tex.dvi
	dvips -N tex.dvi
tex.dvi: tex.tex
	latex tex.tex

clean:
	rm -f *.log *.aux *.toc *.ps *.dvi