$(outdir)/%.tex: %.latex
$(LILYPOND_BOOK_COMMAND) --pdf -o $(outdir) $<
-# Add the tex => pdf rule only if we have dblatex
+# Add the tex => pdf rule only if we have pdflatex
ifeq (,$(findstring pdflatex,$(MISSING_OPTIONAL)))
$(outdir)/%.pdf: $(outdir)/%.tex
cd $(outdir) && $(PDFLATEX) $(notdir $<)