--- a/ApplicationDefinition.st	Sun Oct 14 19:13:29 2018 +0200
+++ b/ApplicationDefinition.st	Sun Oct 14 19:16:52 2018 +0200
@@ -2973,6 +2973,15 @@
 # for mac, a dmg is generated
 # (SETUP_RULE is set to setup_macosx)
 #
+dmg:    setup_macosx
+
+clobber::
+        -rm -f "%(PRODUCT_FILENAME).dmg"
+
+clean::
+        -rm -rf "%(PRODUCT_FILENAME)_dmg"
+        -rm -f "%(PRODUCT_FILENAME)_cmpr.dmg"
+
 setup_macosx:   "%(PRODUCT_FILENAME)_dmg"
         -rm "%(PRODUCT_FILENAME).dmg" "%(PRODUCT_FILENAME)_cmpr.dmg"
         hdiutil create -fs HFSX -layout SPUD "%(PRODUCT_FILENAME).dmg" -srcfolder "%(PRODUCT_FILENAME)_dmg" -format UDRW -volname "%(PRODUCT_NAME)" -quiet