all: Makefile pdf

#	./build.sh

pdf: stamp-pdf
	@if test ! -f fosdem.tex; then \
	  rm -f stamp-pdf; \
	  $(MAKE) stamp-pdf; \
	else :; fi

stamp-pdf: fosdem.tex
	pdflatex fosdem.tex
	mv fosdem.pdf pdf/
	touch stamp-pdf

clean:
	$(RM) stamp-pdf