+# TODO: fix hardcoded out/ ?
+LYS_OUTPUT_OPTION= --lily-output-dir $(LYS_OUTPUT_DIR)
+LYS_OUTPUT_DIR=$(top-build-dir)/out/lybook-db/
+LILYPOND_BOOK_FLAGS += $(LYS_OUTPUT_OPTION)
+$(outdir)/%.latex: %.doc
+ LILYPOND_VERSION=$(TOPLEVEL_VERSION) $(PYTHON) $(LILYPOND_BOOK) $(LILYPOND_BOOK_INCLUDES) --process='$(LILYPOND_BOOK_PROCESS) $(LILYPOND_BOOK_LILYPOND_FLAGS)' --output=$(outdir) $(LILYPOND_BOOK_FLAGS) $<