all: seatingplan.pdf seatingplan.txt

seatingplan.pdf: seatingplan.pic
	pic $< | troff -ms | dpost | \
		ps2pdf -sPAPERSIZE=a4 -dPDFSETTINGS=/prepress - $@

seatingplan.txt:
	pdftotext -layout seatingplan.pdf

seatingplan.pic: persons seats
	sort -R persons | awk -f mapping.awk >$@

clean:
	rm -f seatingplan.ps seatingplan.pic

realclean: clean
	rm -f seatingplan*