all: slides.pdf handout.pdf

%.pdf: %.tex
	pdflatex $<
	while grep -E -q 'No file.*\.toc' $(<:%.tex=%.log); do \
		pdflatex $<; \
	done

slides.pdf: slides.tex main.tex

handout.pdf: handout.tex main.tex

clean:
	rm -f *.aux *.log *.nav *.out *.snm *.toc *.vrb
	rm -f slides.pdf handout.pdf

.PHONY: all clean