anchor.diff:    preBuild = ''
       makeFlagsArray+=(
         "DESTDIR="
  -      "LIBDIR=$out/lib"
  +      "PREFIX=$out"
         "SBINDIR=$out/bin"
  -      "MANDIR=$out/share/man"
       )
       buildFlagsArray+=(
         "CONFDIR=/etc/iproute"
  
positive.code:       "DOCDIR=$TMPDIR"
      )
    '';
  
    meta = with stdenv.lib; {
      homepage = http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2;
  
negative.code: , iptables
  }:
  
  let
    version = "4.6.0";
    tarballUrls = [
      "mirror://kernel/linux/utils/net/iproute2/iproute2-${version}.tar"
    ];
  in
  stdenv.mkDerivation rec {
    name = "iproute2-${version}";
  
    src = fetchurl {
      urls = map (n: "${n}.xz") tarballUrls;
      allowHashOutput = false;
      sha256 = "74fc6a8ad085be095a159f8158bbaf385b42af9e101619f233f1ae466829d406";
    };
  
    nativeBuildInputs = [
  