"Jacob Lane, MCP" wrote: > Anyone ever used libnet-pcap-perl under Cygwin? I searched > http://cygwin.com/packages/ but got nothing. I have Perl installed, but > assume that I have to compile this lib myself.
It won't work without a lot of fussing. It's not the perl module that's at issue, it's winpcap. All pcap programs expect the "libpcap" interface. On windows this is provided by winpcap. Winpcap works well and is open source, and they have a nice package you can download that contains the includes and import libs that you would place in /usr/include and /usr/lib respectively. It also requires the actual winpcap driver installed, the installer for which you download from the winpcap site as well. The problem with all this is that the winpcap DLLs are compiled with Mingw and depend on msvcrt, so if you want to use them with Cygwin apps you have to recompile them to use cygwin1.dll. If you don't do this, the libpcap application (Net::Pcap in this case) will compile but fail to run correctly. I have done this in the past, and it amounts to some messing about but nothing terribly hard to do. I don't remember the details, sorry. A "libpcap-devel" would be a good package for Cygwin to have so that pcap apps can be built, and I considered ITPing it at the time. However, the problem is that the actual pcap driver itself only compiles with MSVC and requires its own special installation, given that it's an actual windows driver. So, I wasn't really sure how to handle the situation, as regardless of how it was packaged it would still require a download and install from the winpcap site of the driver file before anything would work. Brian -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
