GENIMG=lille1.png polytechlille.png CMPIMG=CREP-1.jpg CREP-2.jpg CREP-3.jpg CREP-4.jpg CREP-5.jpg all: $(GENIMG) $(CMPIMG) mainBgPattern.png mainBgPattern.png: wget http://subtlepatterns.com/patterns/low_contrast_linen.png -O $@ convert -negate $@ $@ optipng -o7 $@ %.png: %.svg convert -background none $< $@ optipng -o7 $@ %.jpg: orig/%.jpg convert -resize x1200 -strip -interlace Plane -gaussian-blur 0.05 -quality 90% $< $@ clean: rm -rf $(GENIMG) $(CMPIMG)