From: Cliff Rosson <cliff.rosson@...>
Date: 2012-01-20T15:14:08+09:00
Subject: Re: Installing PCAP

Thanks Jon. I actually did have the wincap libraries and headers
installed. I tried using the "--with-pcap-includedir" argument. You are
right that pcap is fairly old. I tried pcaprub and also and ran into
issues.


I have the wincap lib and headers in C:\WpdPack. That is exactly where
extconf.rb is looking.
~~~~~~~
  pcap_dir        = with_config("pcap-dir", "C:/WpdPack")
  pcap_includedir = with_config("pcap-includedir", pcap_dir +
"/include")
  pcap_libdir     = with_config("pcap-libdir", pcap_dir + "/lib")

  have_library("wpcap", "pcap_open_live")
  have_library("wpcap", "pcap_setnonblock")

elsif /i386-mswin32/ =~ RUBY_PLATFORM
  pcap_dir        = with_config("pcap-dir", "C:\\WpdPack")
  pcap_includedir = with_config("pcap-includedir", pcap_dir +
"\\include")
  pcap_libdir     = with_config("pcap-libdir", pcap_dir + "\\lib")

  $CFLAGS  = "-DWIN32 -I#{pcap_includedir}"
  $LDFLAGS = "/link /LIBPATH:#{pcap_libdir}"
  have_library("wpcap", "pcap_open_live")
  have_library("wpcap", "pcap_setnonblock")
else

~~~~~~~
WheN I try to gem install pcaprub I still get....

C:\Users\user>gem install pcaprub
Temporarily enhancing PATH to include DevKit...
Building native extensions.  This could take a while...
ERROR:  Error installing pcaprub:
        ERROR: Failed to build gem native extension.

        C:/Ruby192/bin/ruby.exe extconf.rb

[*] Running checks for pcaprub code...
platform is i386-mingw32
checking for main() in -lws2_32... yes
checking for main() in -liphlpapi... yes
checking for windows.h... yes
checking for winsock2.h... yes
checking for iphlpapi.h... yes
checking for pcap_open_live() in -lwpcap... no
checking for pcap_setnonblock() in -lwpcap... no
creating Makefile

make
gcc -I. -IC:/Ruby192/include/ruby-1.9.1/i386-mingw32
-I/C/Ruby192/include/ruby-1
.9.1/ruby/backward -I/C/Ruby192/include/ruby-1.9.1 -I. -DHAVE_WINDOWS_H
-DHAVE_W
INSOCK2_H -DHAVE_IPHLPAPI_H    -O3 -g -Wextra -Wno-unused-parameter
-Wno-parenth
eses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers
-Wno-long-l
ong  -o pcaprub.o -c pcaprub.c
pcaprub.c:8:18: fatal error: pcap.h: No such file or directory
compilation terminated.
make: *** [pcaprub.o] Error 1


Gem files will remain installed in
C:/Ruby192/lib/ruby/gems/1.9.1/gems/pcaprub-0
.11.2 for inspection.
Results logged to
C:/Ruby192/lib/ruby/gems/1.9.1/gems/pcaprub-0.11.2/ext/pcaprub
/gem_make.out

C:\Users\user>

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