'./build_oai --gNB ' failed
**./build_oai --gNB “nr-softmodem compilation failed build have failed”
how to solve it,please?**
(nr-softmodem.Rel15.txt) [ 13%] Building C object CMakeFiles/FLEXRAN_AGENT.dir/home/nano/openairinterface5g/openairinterface5g/openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac_internal.c.o [ 13%] Building C object CMakeFiles/FLEXRAN_AGENT.dir/home/nano/openairinterface5g/openairinterface5g/openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac_slice_verification.c.o [ 13%] Building C object CMakeFiles/F1AP.dir/home/nano/openairinterface5g/openairinterface5g/openair2/F1AP/f1ap_du_rrc_message_transfer.c.o [ 13%] Building C object CMakeFiles/F1AP.dir/home/nano/openairinterface5g/openairinterface5g/openair2/F1AP/f1ap_du_task.c.o [ 13%] Building C object CMakeFiles/F1AP.dir/home/nano/openairinterface5g/openairinterface5g/openair2/F1AP/f1ap_du_ue_context_management.c.o [ 13%] Building C object CMakeFiles/F1AP.dir/home/nano/openairinterface5g/openairinterface5g/openair2/F1AP/f1ap_encoder.c.o [ 13%] Building C object CMakeFiles/F1AP.dir/home/nano/openairinterface5g/openairinterface5g/openair2/F1AP/f1ap_handlers.c.o [ 13%] Linking C static library libFLEXRAN_AGENT.a [ 13%] Built target FLEXRAN_AGENT [ 13%] Building C object CMakeFiles/F1AP.dir/home/nano/openairinterface5g/openairinterface5g/openair2/F1AP/f1ap_itti_messaging.c.o [ 13%] Building C object CMakeFiles/F1AP.dir/home/nano/openairinterface5g/openairinterface5g/openair2/F1AP/f1ap_messaging.c.o [ 13%] Linking C static library libF1AP.a [ 13%] Built target F1AP CMakeFiles/Makefile2:4672: recipe for target 'CMakeFiles/nr-softmodem.dir/rule' failed make[1]: *** [CMakeFiles/nr-softmodem.dir/rule] Error 2 Makefile:1620: recipe for target 'nr-softmodem' failed make: *** [nr-softmodem] Error 2