+Before you run L1, please make sure all the FH, WLS, and FAPI TM lib was built according to above relative chapters for each lib, or you can refer below quick build command to create these libs.
+
+Build FH
+------------
+ under folder phy/fhi_lib::
+
+ #./build.sh
+
+Build WLS
+-------------
+ under folder phy/wls_lib::
+ #./build.sh
+
+Build FAPI TM
+--------------
+ under folder phy/fapi_5g/build::
+ #./build.sh
+