anchor.diff:        versions of Linux (and other OSes)
       '';
       license = licenses.lgpl2Plus;
  -    platforms = platforms.linux;
  +    platforms = platforms.unix;
     };
   }
  
positive.code:     sed -i 's/ON_SHUTDOWN=suspend/ON_SHUTDOWN=''${ON_SHUTDOWN:-suspend}/' $out/libexec/libvirt-guests.sh
      substituteInPlace $out/libexec/libvirt-guests.sh \
        --replace "$out/bin" "${gettext}/bin"
      wrapProgram $out/sbin/libvirtd \
        --prefix PATH : ${iptables}/sbin:${iproute}/sbin:${pmutils}/bin:${numad}/bin:${numactl}/bin
    '';
  
negative.code:   };
  
    buildInputs = [
      pkgconfig libxml2 gnutls perl python readline
      gettext libtasn1 libgcrypt yajl makeWrapper
      libxslt xhtml1 perlPackages.XMLXPath curl
    ] ++ stdenv.lib.optionals stdenv.isLinux [
      libpciaccess devicemapper lvm2 utillinux udev libcap_ng libnl numad numactl
    ] ++ stdenv.lib.optionals stdenv.isDarwin [
       libiconv gmp
    ];
  
    preConfigure = stdenv.lib.optionalString stdenv.isLinux ''
      PATH=${iproute}/sbin:${iptables}/sbin:${ebtables}/sbin:${lvm2}/sbin:${udev}/sbin:$PATH
      substituteInPlace configure --replace 'as_dummy="/bin:/usr/bin:/usr/sbin"' 'as_dummy="${numad}/bin"'
    '' + ''
      PATH=${dnsmasq}/bin:$PATH
      patchShebangs . # fixes /usr/bin/python references
    '';
  
    configureFlags = [
      "--localstatedir=/var"
      "--sysconfdir=/etc"
      "--with-libpcap"
      "--with-vmware"
      "--with-vbox"
      "--with-test"
      "--with-esx"
      "--with-remote"
    ] ++ stdenv.lib.optionals stdenv.isLinux [
      "--with-numad"
      "--with-macvtap"
      "--with-virtualport"
      "--with-init-script=redhat"
    ] ++ stdenv.lib.optionals stdenv.isDarwin [
      "--with-init-script=none"
    ];
  
    installFlags = [
  