* libpcap 0.9.5. Also fix an impurity in configure (it looks for

/usr/include/blablah/socket.h to determine which packet interface to
  build).

svn path=/nixpkgs/trunk/; revision=7696

pkgs/development/libraries/libpcap/default.nix

@@ -1,10 +1,13 @@
 {stdenv, fetchurl, flex, bison}:
 
 stdenv.mkDerivation {
-  name = "libpcap-0.9.4";
+  name = "libpcap-0.9.5";
   src = fetchurl {
-      url = http://nix.cs.uu.nl/dist/tarballs/libpcap-0.9.4.tar.gz;
-      md5 = "79025766e8027df154cb1f32de8a7974";
+      url = http://www.tcpdump.org/release/libpcap-0.9.5.tar.gz;
+      md5 = "b0626ad59004fe5767ddd2ce743a2271";
   };
   buildInputs = [flex bison];
+  configureFlags = "
+    ${if stdenv.system == "i686-linux" then "--with-pcap=linux" else ""}
+  ";
 }