%.pdf: %.tex
	lualatex --shell-escape $<
print_a3.pdf: songsheet_a3part.pdf
	pdftk A=$< B=$< shuffle A B output -  | pdfjam -o a4.pdf --nup 1x2 --paper a4paper --clip true /dev/stdin && \
	pdfbook2 --paper a3paper -s -n -o 0 -i 0 -t 0 -b 0 a4.pdf && \
	mv a4-book.pdf print_a3.pdf && \
	rm a4.pdf
print_a4.pdf: songsheet_a4part.pdf
	pdftk A=$< B=$< shuffle A B output - | pdfjam -o $@ --nup 1x2 --paper a4paper /dev/stdin;
songsheet_a3part.pdf: songsheet_a5.pdf
	cp $< $@
#	pdftk $< cat ~3-4 output $@
songsheet_a4part.pdf: songsheet_a5.pdf
#	cp $< $@
# Uncomment this if songsheet.pdf has 12 pages or less, and you want to use an a4 sheet inside a folded a3 sheet
	pdftk $< cat 3-4 output $@
songsheet_a5.pdf: songsheet.pdf
	pdfjam -o $@ --nup 2x1 --paper a5paper --landscape $<
%.tex:
	$(MAKE) -C .. $@
clean_intermediate:
	$(RM) songsheet_a3part.pdf songsheet_a4part.pdf songsheet_a5.pdf