PNGS = stock_down_arrow_16.png stock_up_arrow_16.png HDRS = arrow_down.h arrow_up.h noinst_DATA = $(HDRS) EXTRA_DIST = $(PNGS) CLEANFILES = $(HDRS) arrow_down.h: stock_down_arrow_16.png gdk-pixbuf-csource --name=arrow_down $< > $@ arrow_up.h: stock_up_arrow_16.png gdk-pixbuf-csource --name=arrow_up $< > $@