Introduce asn1 NGAP libraries and required compilation extensions

cmake_targets/CMakeLists.txt

@@ -436,6 +436,45 @@ add_library(S1AP_ENB
 add_dependencies(S1AP_ENB rrc_flag s1ap_flag)
 
 
+# NGAP
+# Same limitation as described in RRC: unknown generated file list
+# so we generate it at cmake time
+##############
+set (NGAP_RELEASE R16)
+
+set(NGAP_DIR ${OPENAIR3_DIR}/NGAP)
+make_version(NGAP_VERSION 16 2 0)
+set(NGAP_ASN_FILES "38413-g20.asn1")
+
+add_definitions(-DNGAP_VERSION=${NGAP_VERSION})
+set(NGAP_ASN_DIR ${NGAP_DIR}/MESSAGES/ASN1/${NGAP_RELEASE})
+set(NGAP_C_DIR ${asn1_generated_dir}/NGAP_${NGAP_RELEASE})
+
+# Warning: if you modify ASN.1 source file to generate new C files, cmake should be re-run instead of make
+execute_process(COMMAND ${OPENAIR_CMAKE}/tools/make_asn1c_includes.sh "${NGAP_C_DIR}" "${NGAP_ASN_DIR}/${NGAP_ASN_FILES}" "NGAP_" -fno-include-deps -findirect-choice
+                RESULT_VARIABLE ret)
+if (NOT ${ret} STREQUAL 0)
+  message(FATAL_ERROR "${ret}: error")
+endif (NOT ${ret} STREQUAL 0)
+file(GLOB NGAP_source ${NGAP_C_DIR}/*.c)
+
+add_custom_target (
+  ngap_flag ALL
+  ${OPENAIR_CMAKE}/tools/make_asn1c_includes.sh "${NGAP_C_DIR}" "${NGAP_ASN_DIR}/${NGAP_ASN_FILES}" "NGAP_" -fno-include-deps
+  DEPENDS  "${NGAP_ASN_DIR}/${NGAP_ASN_FILES}" 
+)
+
+add_library(NGAP_LIB
+  ${NGAP_source}
+  ${S1AP_DIR}/s1ap_common.c
+  )
+add_dependencies(NGAP_LIB rrc_flag nr_rrc_flag ngap_flag)
+
+include_directories ("${NGAP_C_DIR}")
+include_directories ("${NGAP_DIR}")
+
+
+
 #M2AP
 # Same limitation as described in RRC/S1AP: unknown generated file list
 # so we generate it at cmake time
@@ -2814,7 +2853,7 @@ add_executable(nr-softmodem
 
 target_link_libraries (nr-softmodem
   -Wl,--start-group
-  UTIL HASHTABLE SCTP_CLIENT UDP SCHED_LIB SCHED_RU_LIB SCHED_NR_LIB PHY_NR PHY PHY_COMMON PHY_NR_COMMON PHY_RU LFDS NR_GTPV1U SECU_CN SECU_OSA
+  UTIL HASHTABLE SCTP_CLIENT NGAP_LIB UDP SCHED_LIB SCHED_RU_LIB SCHED_NR_LIB PHY_NR PHY PHY_COMMON PHY_NR_COMMON PHY_RU LFDS NR_GTPV1U SECU_CN SECU_OSA
   ${ITTI_LIB} ${FLPT_MSG_LIB} ${ASYNC_IF_LIB} ${FLEXRAN_AGENT_LIB} LFDS7 ${MSC_LIB} ${RAL_LIB} ${NAS_UE_LIB} RRC_LIB NR_RRC_LIB 
   S1AP_LIB S1AP_ENB L2_LTE_NR L2_NR MAC_NR_COMMON NFAPI_COMMON_LIB NFAPI_LIB NFAPI_VNF_LIB NFAPI_PNF_LIB NFAPI_USER_LIB
   X2AP_LIB X2AP_ENB F1AP_LIB F1AP M2AP_LIB M2AP_ENB M3AP_LIB M3AP_ENB ${PROTO_AGENT_LIB} ${FSPT_MSG_LIB}