nagios package error

Hi

I have made nagios, when i am compiling SNMP dependecey i am getting this error, below is the link  from where i am doing.

http://bigunix.blogspot.com/2009/07/how-to-monitor-bandwidht-using-mrtg-and.html

[root@localhost check_snmp-1.1]# make
depbase=`echo src/check_snmp.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`; \
if gcc -DHAVE_CONFIG_H -I. -I. -I./inc     -g -O2 -DNETSNMP_ENABLE_IPV6 -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -D_RPM_4_4_COMPAT -Ulinux -Dlinux=linux -D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/lib/perl5/CORE -I/usr/include -MT src/check_snmp.o -MD -MP -MF "$depbase.Tpo" -c -o src/check_snmp.o src/check_snmp.c; \
then mv -f "$depbase.Tpo" "$depbase.Po"; else rm -f "$depbase.Tpo"; exit 1; fi
In file included from src/check_snmp.c:24:0:
./inc/check_snmp.h:104:32: warning: ‘struct variable_list’ declared inside parameter list [enabled by default]
./inc/check_snmp.h:104:32: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
./inc/check_snmp.h:105:62: warning: ‘struct variable_list’ declared inside parameter list [enabled by default]
./inc/check_snmp.h:106:60: warning: ‘struct variable_list’ declared inside parameter list [enabled by default]
./inc/check_snmp.h:107:60: warning: ‘struct variable_list’ declared inside parameter list [enabled by default]
./inc/check_snmp.h:108:59: warning: ‘struct variable_list’ declared inside parameter list [enabled by default]
src/check_snmp.c:28:68: warning: ‘struct snmp_pdu’ declared inside parameter list [enabled by default]
src/check_snmp.c: In function ‘check_snmp’:
src/check_snmp.c:61:25: error: storage size of ‘init’ isn’t known
src/check_snmp.c:63:5: error: unknown type name ‘oid’
src/check_snmp.c:63:19: error: ‘MAX_OID_LEN’ undeclared (first use in this function)
src/check_snmp.c:63:19: note: each undeclared identifier is reported only once for each function it appears in
src/check_snmp.c:66:5: warning: implicit declaration of function ‘snmp_disable_log’ [-Wimplicit-function-declaration]
src/check_snmp.c:68:9: warning: implicit declaration of function ‘snmp_enable_stderrlog’ [-Wimplicit-function-declaration]
src/check_snmp.c:69:5: warning: implicit declaration of function ‘init_snmp’ [-Wimplicit-function-declaration]
src/check_snmp.c:70:5: warning: implicit declaration of function ‘snmp_sess_init’ [-Wimplicit-function-declaration]
src/check_snmp.c:73:20: error: ‘SNMP_VERSION_2c’ undeclared (first use in this function)
src/check_snmp.c:81:5: warning: implicit declaration of function ‘snmp_open’ [-Wimplicit-function-declaration]
src/check_snmp.c:84:17: warning: implicit declaration of function ‘snmp_api_errstring’ [-Wimplicit-function-declaration]
src/check_snmp.c:89:5: warning: implicit declaration of function ‘snmp_pdu_create’ [-Wimplicit-function-declaration]
src/check_snmp.c:89:27: error: ‘SNMP_MSG_GET’ undeclared (first use in this function)
src/check_snmp.c:92:9: warning: implicit declaration of function ‘snmp_parse_oid’ [-Wimplicit-function-declaration]
src/check_snmp.c:95:60: error: ‘snmp_errno’ undeclared (first use in this function)
src/check_snmp.c:99:9: warning: implicit declaration of function ‘snmp_add_null_var’ [-Wimplicit-function-declaration]
src/check_snmp.c:102:5: warning: implicit declaration of function ‘snmp_synch_response’ [-Wimplicit-function-declaration]
src/check_snmp.c:104:14: error: ‘STAT_SUCCESS’ undeclared (first use in this function)
src/check_snmp.c:105:29: error: dereferencing pointer to incomplete type
src/check_snmp.c:106:22: error: ‘SNMP_ERR_NOERROR’ undeclared (first use in this function)
src/check_snmp.c:107:21: warning: passing argument 2 of ‘check_snmp_response’ from incompatible pointer type [enabled by default]
src/check_snmp.c:28:12: note: expected ‘struct snmp_pdu *’ but argument is of type ‘struct snmp_pdu *’
src/check_snmp.c:112:56: error: dereferencing pointer to incomplete type
src/check_snmp.c:117:14: error: ‘STAT_ERROR’ undeclared (first use in this function)
src/check_snmp.c:122:14: error: ‘STAT_TIMEOUT’ undeclared (first use in this function)
src/check_snmp.c:134:9: warning: implicit declaration of function ‘snmp_free_pdu’ [-Wimplicit-function-declaration]
src/check_snmp.c:135:5: warning: implicit declaration of function ‘snmp_close’ [-Wimplicit-function-declaration]
src/check_snmp.c:63:13: warning: unused variable ‘objid’ [-Wunused-variable]
src/check_snmp.c:61:25: warning: unused variable ‘init’ [-Wunused-variable]
src/check_snmp.c: At top level:
src/check_snmp.c:164:61: warning: ‘struct snmp_pdu’ declared inside parameter list [enabled by default]
src/check_snmp.c:164:1: error: conflicting types for ‘check_snmp_response’
src/check_snmp.c:28:12: note: previous declaration of ‘check_snmp_response’ was here
src/check_snmp.c: In function ‘check_snmp_response’:
src/check_snmp.c:167:42: error: dereferencing pointer to incomplete type
src/check_snmp.c:170:13: warning: passing argument 2 of ‘check_snmp_intervals’ from incompatible pointer type [enabled by default]
./inc/check_snmp.h:105:5: note: expected ‘struct variable_list *’ but argument is of type ‘struct variable_list *’
src/check_snmp.c:173:13: warning: passing argument 2 of ‘check_snmp_strings’ from incompatible pointer type [enabled by default]
./inc/check_snmp.h:106:5: note: expected ‘struct variable_list *’ but argument is of type ‘struct variable_list *’
src/check_snmp.c:176:13: warning: passing argument 2 of ‘check_snmp_regexes’ from incompatible pointer type [enabled by default]
./inc/check_snmp.h:107:5: note: expected ‘struct variable_list *’ but argument is of type ‘struct variable_list *’
src/check_snmp.c:179:13: warning: passing argument 2 of ‘check_snmp_simple’ from incompatible pointer type [enabled by default]
./inc/check_snmp.h:108:5: note: expected ‘struct variable_list *’ but argument is of type ‘struct variable_list *’
src/check_snmp.c: At top level:
src/check_snmp.c:186:28: warning: ‘struct variable_list’ declared inside parameter list [enabled by default]
src/check_snmp.c:186:1: error: conflicting types for ‘check_snmp_var_type’
./inc/check_snmp.h:104:5: note: previous declaration of ‘check_snmp_var_type’ was here
src/check_snmp.c: In function ‘check_snmp_var_type’:
src/check_snmp.c:188:14: error: dereferencing pointer to incomplete type
src/check_snmp.c:189:14: error: ‘SNMP_NOSUCHOBJECT’ undeclared (first use in this function)
src/check_snmp.c:190:14: error: ‘SNMP_NOSUCHINSTANCE’ undeclared (first use in this function)
src/check_snmp.c: In function ‘check_snmp_get_value’:
src/check_snmp.c:203:16: error: ‘ASN_APPLICATION’ undeclared (first use in this function)
src/check_snmp.c: At top level:
src/check_snmp.c:28:12: warning: ‘check_snmp_response’ used but never defined [enabled by default]
src/check_snmp.c:164:1: warning: ‘check_snmp_response’ defined but not used [-Wunused-function]
src/check_snmp.c: In function ‘check_snmp_var_type’:
src/check_snmp.c:195:1: warning: control reaches end of non-void function [-Wreturn-type]
make: *** [src/check_snmp.o] Error 1
[root@localhost check_snmp-1.1]#