add_subdirectory(E1AP)
if(E2_AGENT)
  add_subdirectory(E2AP)
endif()
add_subdirectory(F1AP)
add_subdirectory(LAYER2)
add_subdirectory(M2AP)
add_subdirectory(X2AP)
add_subdirectory(RRC)
add_subdirectory(XNAP)
