TEX=latexmk
OUT_FOLDER=.out
OPTS=-output-directory=${OUT_FOLDER} -pdf
PDF_VIEWER=okular

PDFS=YOUR_PDF.pdf

main: ${PDFS}

%.pdf : %.tex
	${TEX} ${OPTS} $<
	cp ${OUT_FOLDER}/$@ $@

show: main
	${PDF_VIEWER} ${PDFS}

clean:
	${TEX} ${OPTS} -c

clean-all:
	${TEX} ${OPTS} -C
	rm -f ${PDFS}