all: poster.pdf poster-upperhalf.pdf poster-lowerhalf.pdf

%.pdf: %.svg
	inkscape -A $@ $<

# those serve more as reminders to what doesn't work, for neither actually produces the expected result

%-upperhalf.pdf: %.svg
	inkscape --export-area=`inkscape -S $< |grep upperhalf | tr ',' ':' |cut -d: -f2-` -A $@ $<

%-lowerhalf.pdf: %.svg
	inkscape -i lowerhalf -A $@ $<