$(BUILD)/pdf/$(BOOKNAME).pdf: $(CHAPTERS) $(METADATA_YAML)
mkdir -p $(BUILD)/pdf
# pandoc $(TOC) --chapters --number-offset=0 --latex-engine=pdflatex -V documentclass=$(LATEX_CLASS) -V papersize=6x9 -o $@ $^
$(BUILD)/pdf/$(BOOKNAME).pdf: $(CHAPTERS) $(METADATA_YAML)
mkdir -p $(BUILD)/pdf
# pandoc $(TOC) --chapters --number-offset=0 --latex-engine=pdflatex -V documentclass=$(LATEX_CLASS) -V papersize=6x9 -o $@ $^