# make              all the variants (XeLaTeX)
# make ENGINE=pdflatex    or lualatex
# make apology-a4.pdf      just one
ENGINE ?= xelatex
VARIANTS = apology-a5 apology-a4 apology-two-columns apology-book \
            apology-study apology-large-print apology-screen apology-booklet

all: $(VARIANTS:=.pdf)

%.pdf: %.tex apology-common.tex apology-text.tex
	$(ENGINE) -interaction=batchmode -halt-on-error $<

apology-booklet.pdf: apology-book.pdf

clean:
	rm -f *.aux *.log

.PHONY: all clean
