1 files changed, 4 insertions, 0 deletions
diff --git a/Rules.mak b/Rules.mak
index 3cc699f26..c19908ad1 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -78,7 +78,11 @@ export RUNTIME_PREFIX DEVEL_PREFIX KERNEL_HEADERS
 MAJOR_VERSION := 0
 MINOR_VERSION := 9
 SUBLEVEL      := 29
+EXTRAVERSION  := 4
 VERSION       := $(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL)
+ifneq ($(EXTRAVERSION),)
+VERSION       := $(VERSION).$(EXTRAVERSION)
+endif
 # Ensure consistent sort order, 'gcc -print-search-dirs' behavior, etc.
 LC_ALL := C
 export MAJOR_VERSION MINOR_VERSION SUBLEVEL VERSION LC_ALL