1 files changed, 13 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 75fadf6..5efae66 100644
--- a/Makefile
+++ b/Makefile
@@ -26,6 +26,16 @@
 # 2) It gives some flexibility in that files can be created or deleted
 #    freely as long as they are not part of any of these lists
 
+VERSION := 3.0.7
+
+help:
+	@echo 'Makefile for generate eMatrix                                '
+	@echo '                                                             '
+	@echo 'Usage:                                                       '
+	@echo '   make all                        generate eMatrix.xpi      '
+	@echo '   make clean                      remove eMatrix.xpi        '
+	@echo '                                                             '
+
 DIST := dist/
 
 ROOTMETA := bootstrap.js install.rdf chrome.manifest icon.png	\
@@ -148,10 +158,10 @@ JS := $(JS1) $(JS2) $(JS3) $(JS4)
 all: eMatrix.xpi
 
 eMatrix.xpi: $(ROOT) $(ASSETS) $(CSS) $(IMG) $(LIB) $(LOCALE) $(JS)
-	@zip -r $@ $^
-	@mv eMatrix.xpi $(DIST)
+	@install -d -m755 $(DIST)/$(VERSION)
+	@zip -r $(DIST)/$(VERSION)/eMatrix-$(VERSION).xpi $^
 
 .PHONY: clean
 
 clean:
-	@rm -f $(DIST)/eMatrix.xpi
+	@rm -fr $(DIST)