diff -r 3f1ef7f899ea -r 1c130e7b7a2e make/common/shared/Defs.gmk
--- a/make/common/shared/Defs.gmk	Tue Sep 01 23:44:41 2009 +0100
+++ b/make/common/shared/Defs.gmk	Wed Sep 02 09:20:17 2009 -0700
@@ -228,12 +228,15 @@
 endif
 
 # FULL_VERSION is RELEASE and -BUILD_NUMBER if BUILD_NUMBER is set
-ifdef BUILD_NUMBER
-  FULL_VERSION = $(RELEASE)-$(BUILD_NUMBER)
-else
-  BUILD_NUMBER = b00
-  USER_RELEASE_SUFFIX := $(shell echo $(USER)_`date '+%d_%b_%Y_%H_%M' | tr "A-Z" "a-z"`)
-  FULL_VERSION = $(RELEASE)-$(USER_RELEASE_SUFFIX)-$(BUILD_NUMBER)
+ifndef FULL_VERSION
+  ifdef BUILD_NUMBER
+    FULL_VERSION = $(RELEASE)-$(BUILD_NUMBER)
+  else
+    BUILD_NUMBER = b00
+    USER_RELEASE_SUFFIX := $(shell echo $(USER)_`date '+%d_%b_%Y_%H_%M' | tr "A-Z" "a-z"`)
+    FULL_VERSION = $(RELEASE)-$(USER_RELEASE_SUFFIX)-$(BUILD_NUMBER)
+  endif
+  export FULL_VERSION
 endif
 
 # Promoted build location