LATEXMK ?= latexmk
.DELETE_ON_ERROR:
.DEFAULT_GOAL := all
.PHONY: all
all: build/main.pdf
build/main.pdf: main.tex latexmkrc | build
	@$(LATEXMK) -norc -r latexmkrc -pdf -outdir=build main.tex > build/latexmk.log 2>&1 || \
	  { cat build/latexmk.log >&2; exit 1; }
build:
	@mkdir -p $@