problem linking pcap

[reshamtara]

im trying to write a sniffer pgm using pcap library. a small sample program that i tried compiled fine but gave a linker error(ld). the error read "undefined reference to pcap_open_live()"......or something like that . kindly enlighten this lost soul as to wat could be the problem, and wat i can do to overcome it.(this was on both redhat linux 9 and 8)

 

[flugh]

You probably need to have the pcap-devel headers and such somewhere for your compiler to use during compilation. If you aren't root on the system, extract them to your home directory and specify the include location with an &quot;-I<your include path>&quot; parameter to gcc.

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JBR