我的程序 aa.cpp
u z F)AO/~www.linuxeden.com#include<iostream>
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using namespace std;
`3|3V3e*eXo1Tq7@#include<sys/types.h>
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#include<sys/stat.h>
,G6w3J.UP$\C#include<fcntl.h>
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#include<stdlib.h>
`{/\J5[$S#ZUMn#include<stdio.h>
5k*~%M2sYwww.linuxeden.com#include<unistd.h>
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#include"snmp_pp/snmp_pp.h"
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?*vLinux伊甸园论坛#define SYSDESCR “1.3.6.1.2.1.1.1.0”
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int main ()
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gJu.i#@8vV T int status;
i?]~%W$y%sLinux伊甸园论坛 CTarget ctarget( (IpAddress) “58.192.113.104”);
HG6D1O wR5oZ*jLinux伊甸园论坛 Vb vb( SYSDESCR);
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Pdu pdu;
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p _Linux伊甸园论坛 if ( status != SNMP_CLASS_SUCCESS) {
W1c0~7V0a7N!XG,vwww.linuxeden.com cout << snmp.error_msg( status);
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return; }
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-C;}
L_m#mb pdu += vb;
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-f|.|.B6^$i!rwww.linuxeden.com cout << snmp.error_msg( status);
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else {
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pdu.get_vb( vb,0);
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cout << “System Descriptor = ”<< vb.get_printable_value(); }
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u L5OG+@Rwww.linuxeden.com我的makefile
9G5p#m7n'sq OUSER_INC= -I../include
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SNMP=-I/usr/local/snmp++/include
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SNMPLIBS=-L/usr/local/snmp++/lib -lsnmp++
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g++ aa.o $(SNMPLIBS) -o aa
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g++ -c $(USER_INC) aa.cpp $(SNMP)
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.PHONY:clean
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clean:
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编译结果
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[root@localhost zhouwei]# make
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Z X3C%M hx6ots)Xg++ aa.o -L/usr/local/snmp++/lib -lsnmp++ -o aa
*G5v bRDxwww.linuxeden.com/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `pthread_create'
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/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `SHA1_Init'
&{/UyUF#EP2m/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `AES_set_encrypt_key'/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `SHA1_Update'
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/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `SHA1_Final'
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/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `MD5_Init'
-p;p[.H7uPA/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `MD5_Final'
%x"i:}9\_*v kV/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `DES_ncbc_encrypt'
8p_k3t A C-y8C{r/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `DES_key_sched'
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/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `pthread_join'
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/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `MD5_Update'
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/usr/local/snmp++/lib/libsnmp++.so: undefined reference to `AES_cfb128_encrypt'
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collect2: ld returned 1 exit status
-~ ieXbK dkmake: *** [aa] Error 1
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我没有用到例如线程之类的库，为什么也要连接这类库函数阿
