XPI_NAME:=$(shell sed -nr '/.*<em:id>([^<]+)<\/em:id>.*/ {s//..\/\1.xpi/p;q}' install.rdf)

all: $(XPI_NAME)

$(XPI_NAME): chrome.manifest install.rdf COPYING $(shell find chrome/ -type f)
	zip $@ $^

clean:
	rm -f $(XPI_NAME)

.PHONY: all clean