res_snmp.so issue

Hi all,
When I launch Asterisk I get this :
== Parsing ‘/etc/asterisk/sip.conf’: Found
== Parsing ‘/etc/asterisk/users.conf’: Found
== Starting SubAgent
asterisk: symbol lookup error: /usr/lib/asterisk/modules/res_snmp.so: undefined symbol: init_agent

and when I do some test :

ROOT:crista01:/home/bbodin01/asterisk > ldd res/res_snmp.so
linux-gate.so.1 => (0xffffe000)
libldap-2.2.so.7 => /usr/lib/libldap-2.2.so.7 (0xb7fb8000)
libmysqlclient.so.14 => /usr/lib/libmysqlclient.so.14 (0xb7eb2000)
libspandsp.so.0 => /usr/lib/libspandsp.so.0 (0xb7e1b000)
libtiff.so.3 => /usr/lib/libtiff.so.3 (0xb7dcb000)
libnetsnmp.so.5 => /usr/lib/libnetsnmp.so.5 (0xb7d27000)
libpthread.so.0 => /lib/tls/libpthread.so.0 (0xb7d15000)
libc.so.6 => /lib/tls/libc.so.6 (0xb7bfb000)
liblber-2.2.so.7 => /usr/lib/liblber-2.2.so.7 (0xb7bee000)
libresolv.so.2 => /lib/libresolv.so.2 (0xb7bdb000)
libsasl2.so.2 => /usr/lib/libsasl2.so.2 (0xb7bc6000)
libssl.so.0.9.7 => /usr/lib/libssl.so.0.9.7 (0xb7b96000)
libcrypto.so.0.9.7 => /usr/lib/libcrypto.so.0.9.7 (0xb7aa3000)
libcrypt.so.1 => /lib/libcrypt.so.1 (0xb7a70000)
libnsl.so.1 => /lib/libnsl.so.1 (0xb7a5b000)
libm.so.6 => /lib/tls/libm.so.6 (0xb7a38000)
libz.so.1 => /lib/libz.so.1 (0xb7a27000)
libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0xb7a08000)
libstdc++.so.5 => /usr/lib/libstdc++.so.5 (0xb794a000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb7941000)
/lib/ld-linux.so.2 (0x80000000)
libdl.so.2 => /lib/libdl.so.2 (0xb793d000)
ROOT:crista01:/home/bbodin01/asterisk > ld res/res_snmp.so
ld: warning: cannot find entry symbol _start; not setting start address
res/res_snmp.so: undefined reference to ast_verbose' res/res_snmp.so: undefined reference toast_module_register’
res/res_snmp.so: undefined reference to agent_check_and_process' res/res_snmp.so: undefined reference toregister_sysORTable’
res/res_snmp.so: undefined reference to init_agent' res/res_snmp.so: undefined reference toast_get_indication_zone’
res/res_snmp.so: undefined reference to ast_update_module_list' res/res_snmp.so: undefined reference toast_register_file_version’
res/res_snmp.so: undefined reference to ast_bridged_channel' res/res_snmp.so: undefined reference toast_config_load’
res/res_snmp.so: undefined reference to ast_category_browse' res/res_snmp.so: undefined reference toast_lastreloadtime’
res/res_snmp.so: undefined reference to unregister_sysORTable' res/res_snmp.so: undefined reference toast_pthread_create_stack’
res/res_snmp.so: undefined reference to ast_log' res/res_snmp.so: undefined reference toast_get_channel_tech’
res/res_snmp.so: undefined reference to ast_true' res/res_snmp.so: undefined reference toast_channel_walk_locked’
res/res_snmp.so: undefined reference to ast_config_AST_SOCKET' res/res_snmp.so: undefined reference toinit_master_agent’
res/res_snmp.so: undefined reference to ast_config_destroy' res/res_snmp.so: undefined reference toast_module_unregister’
res/res_snmp.so: undefined reference to ast_unregister_file_version' res/res_snmp.so: undefined reference toheader_generic’
res/res_snmp.so: undefined reference to ast_walk_indications' res/res_snmp.so: undefined reference toast_startuptime’
res/res_snmp.so: undefined reference to ast_variables_destroy' res/res_snmp.so: undefined reference toast_variable_browse’
res/res_snmp.so: undefined reference to register_mib' res/res_snmp.so: undefined reference toast_active_channels’
res/res_snmp.so: undefined reference to header_simple_table' res/res_snmp.so: undefined reference toast_false’
res/res_snmp.so: undefined reference to ast_channeltype_list' res/res_snmp.so: undefined reference topbx_builtin_serialize_variables’

Someone can help me ?

Thank

Hi,
now I do a make with -lnetsnmpagent and I get a new error :
[Jun 20 15:23:51] WARNING[28028]: loader.c:362 load_dynamic_module: Error loading module ‘res_snmp.so’: /usr/lib/libnetsnmpagent.so.5: undefined symbol: version_sysoid
[Jun 20 15:23:51] WARNING[28028]: loader.c:614 load_resource: Module ‘res_snmp.so’ could not be loaded.

what 's this , :frowning:

thank for help