all:
	cd 1 && make
	cd 2 && make
	cd 2.b && make
	cd 3 && make
	cd 4 && make
	gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -dPDFSETTINGS=/prepress -sOutputFile=relazione.pdf \
		1/1.pdf 2/2.pdf 2.b/2.b.pdf 3/analisi.pdf 4/4.pdf