EPS_IMAGES18 =

 EPS_IMAGES = \

 	$(EPS_IMAGES18)

 PNG_IMAGES = \

 	$(EPS_IMAGES:%.eps=gen-images/%.png)

 GS_COMMAND=gs -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4

 all: html

 $(EPS_IMAGES18:%.eps=gen-images/%.png): gen-images/%.png: images/%.eps

 	-mkdir gen-images

 	$(GS_COMMAND) -sDEVICE=pngalpha -r18 -sOutputFile=$@ $<

 html: $(PNG_IMAGES)

 	doxygen Doxyfile

 clean:

 	-rm -rf html

 	-rm -f doxygen.log

 	-rm -f $(PNG_IMAGES)

 	-rm -rf gen-images

 update-external-tags:

 	wget -O libstdc++.tag.tmp http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/libstdc++.tag && \

 	mv libstdc++.tag.tmp libstdc++.tag || \

 	rm libstdc++.tag.tmp

 	wget -O lemon.tag.tmp http://lemon.cs.elte.hu/pub/doc/latest/lemon.tag && \

 	mv lemon.tag.tmp lemon.tag || \

 	rm lemon.tag.tmp

 .PHONY: update-external-tags html