One step closer to goal.
diff --git a/Makefile b/Makefile
index cb3eed4..6e54b3a 100644
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,10 @@
# limitations under the License.
#
+ifeq ($(VOLTHA_BASE)_set,_set)
+$(error To get started, please source the env.sh file)
+endif
+
include setup.mk
VENVDIR := venv
@@ -25,7 +29,9 @@
## New directories can be added here
DIRS:=\
voltha \
-voltha/northbound/openflow
+voltha/northbound/openflow \
+voltha/northbound/openflow/agent \
+voltha/northbound/openflow/oftest
## If one directory depends on another directory that
## dependency can be expressed here