OUTPUT=stepwise-pres
PAPER=presentation

all: $(OUTPUT).pdf

$(OUTPUT).pdf: $(PAPER).pdf
	cp $(PAPER).pdf $(OUTPUT).pdf

$(PAPER).pdf: $(PAPER).tex
	pdflatex -halt-on-error $(PAPER).tex

$(PAPER).tex: $(PAPER).lhs
	lhs2TeX --poly $(PAPER).lhs -o $(PAPER).tex