Re: problem about gcc using *.so

On 4/27/2011 8:35 PM, liuying wrote:
>
> Dear:
>
>     I have a problem about using dynamic library.I
>
> generate "snmp.so" successfully.
>
>     But when I use:
>
>    $ gcc main.c -L -lsnmp -I ./include -o main
>

After "-L" you probably should give the directory to search for your library

>  It returns:
>
>
>     snmp.so: undefined reference to `register_mib`
>     snmp.so: undefined reference to `send_v2trap`
>     snmp.so: undefined reference to `debugmsg`
>     snmp.so: undefined reference to `……`
>      ……
>
>   There are some errors.What can I do to solve the
>
> problem?
>
Those symbols should be in one of the following libs so
you  need to link with one or more of them:

-lnetsnmptrapd -lnetsnmpagent -lnetsnmpmibs \
      -lnetsnmphelpers

-- 
Xiang Li
http://www.champnms.com

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