anchor.diff:    };
   
     preConfigure = ''
  -    patchShebangs ./configure
  +    # Don't try to create /var/lib/arpd:
       sed -e '/ARPDDIR/d' -i Makefile
       # Don't build netem tools--they're not installed and require HOSTCC
       substituteInPlace Makefile --replace " netem " " "
  
positive.code: { fetchurl, stdenv, flex, bash, bison, db, iptables, pkgconfig, libelf, libmnl }:
  
  stdenv.mkDerivation rec {
    pname = "iproute2";
  
negative.code:   outputs = [ "out" "dev" ];
  
    makeFlags = [
      "PREFIX=$(out)"
      "SBINDIR=$(out)/sbin"
      "DOCDIR=$(TMPDIR)/share/doc/${pname}" # Don't install docs
      "HDRDIR=$(dev)/include/iproute2"
    ];
  