C:\strawberry\cpan\build\Net-Pcap-0.16-A9_0Y2>perl Makefile.PL INC=-IC:/WpdPack/ Include "LIBS=-LC:/WpdPack/Lib -lwpcap" Set up gcc environment - 3.4.5 (mingw-vista special r3) Unable to patch socket.h looking for -lwpcap... yes checking for pcap_lib_version() in -lwpcap... yes detecting available functions... ok Writing Makefile for Net::Pcap