# to build built
#BUILD_GEN=1
#BUILD_GEN=2 # bz19952: remove -lustre tag from kernel RPM names
-BUILD_GEN=3 # bz19975 enable the building of src.rpms by default
+#BUILD_GEN=3 # bz19975 enable the building of src.rpms by default
+BUILD_GEN+=".0" # TT-107: don't cache the BUILD dir (reset major to 5)