SOURCES=$(wildcard *.ly)
PARTS=$(SOURCES:.ly=.pdf)
TDIR=out

book: book.pdf

parts: $(PARTS)

%.pdf: %.ly
	lilypond --pdf $<

$(TDIR)/book.tex: book.lytex *.ly
	lilypond-book --output=$(TDIR) --pdf $<

%.pdf: %.tex
	cd $(@D); pdflatex $(<F)

book.pdf: $(TDIR)/book.pdf
	cp $< $@

clean:
	rm -rf *.pdf out