make multiple config instead of one implicit global

CMakeLists.txt

@@ -463,19 +463,23 @@ add_list1_option(NB_ANTENNAS_RX "4" "Number of antennas in reception" "1" "2" "4
 add_list1_option(NB_ANTENNAS_TX "4" "Number of antennas in transmission" "1" "2" "4")
 
 set (CONFIG_ROOTDIR ${OPENAIR_DIR}/common/config)
+add_library(config_internals OBJECT
+  ${CONFIG_ROOTDIR}/config_common.c
+)
+
 add_library(CONFIG_LIB
   ${CONFIG_ROOTDIR}/config_load_configmodule.c
   ${CONFIG_ROOTDIR}/config_userapi.c
   ${CONFIG_ROOTDIR}/config_cmdline.c
 )
+target_link_libraries(CONFIG_LIB PRIVATE config_internals dl UTIL)
 
 # CONFIG_LIB is a wrapper around a particular config implementation, default is
 # libconfig in params_libconfig below
 pkg_check_modules(libconfig REQUIRED libconfig)
-target_link_libraries(CONFIG_LIB PRIVATE dl UTIL)
 add_library(params_libconfig MODULE ${CONFIG_ROOTDIR}/libconfig/config_libconfig.c)
 target_include_directories(params_libconfig PRIVATE ${libconfig_INCLUDE_DIRS})
-target_link_libraries(params_libconfig PRIVATE ${libconfig_LIBRARIES})
+target_link_libraries(params_libconfig PRIVATE config_internals ${libconfig_LIBRARIES})
 
 # shared library loader
 add_library(shlib_loader OBJECT common/utils/load_module_shlib.c)
@@ -2367,7 +2371,7 @@ if (${T_TRACER})
         PHY_COMMON PHY PHY_UE PHY_NR PHY_NR_COMMON PHY_NR_UE PHY_RU PHY_MEX
         L2 L2_LTE L2_NR L2_LTE_NR L2_UE NR_L2_UE L2_UE_LTE_NR MAC_NR_COMMON MAC_UE_NR ngap
         CN_UTILS GTPV1U SCTP_CLIENT MME_APP LIB_NAS_UE NB_IoT SIMU SIMU_ETH OPENAIR0_LIB
-        ldpc_orig ldpc_optim ldpc_optim8seg ldpc dfts)
+        ldpc_orig ldpc_optim ldpc_optim8seg ldpc dfts config_internals)
     if (TARGET ${i})
       add_dependencies(${i} generate_T)
     endif()