# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
-YARDSTICK_BRANCH=675eef731a098f83aa98c2021b151b7e5ba1da7d
-YARDSTICK_REPO=https://gerrit.opnfv.org/gerrit/yardstick.git
-YARDSTICK_CHANGE=
+YARDSTICK_BRANCH?=675eef731a098f83aa98c2021b151b7e5ba1da7d
+YARDSTICK_REPO?=https://gerrit.opnfv.org/gerrit/yardstick.git
+YARDSTICK_CHANGE?=