-option(enable_gtnets "Whether gtnets model is activated." on)
-option(enable_smpi "This variable set smpi lib." on)
+option(release "Whether Release Mode is activated (disable tests on experimental parts)" on)
+
+option(enable_gtnets "Whether gtnets model is activated." off)
+option(enable_ns3 "Whether ns3 model is activated." off)
+option(enable_smpi "This variable set smpi lib." off)