anchor.diff:    enableParallelBuilding = true;
   
     configureFlags = [
  -    "--with-udevrulesdir=$out/lib/udev/rules.d"
  +    "--enable-sane"
  +    "--with-udevrulesdir=$(out)/lib/udev/rules.d"
       "--with-systemdsystemunitdir=$(out)/etc/systemd/system"
       "--localstatedir=/var"
       "--disable-bash-completion"
  
positive.code: { stdenv, fetchzip, fetchgit, bashCompletion
  , glib, polkit, pkgconfig, intltool, gusb, libusb1, lcms2, sqlite, systemd, dbus
  , automake, autoconf, libtool, gtk_doc, which, gobjectIntrospection, argyllcms
  , libgudev }:
  
  stdenv.mkDerivation rec {
    name = "colord-1.2.12";
  
negative.code:   '';
  
    buildInputs = [ glib polkit pkgconfig intltool gusb libusb1 lcms2 sqlite systemd dbus gobjectIntrospection
                    bashCompletion argyllcms automake autoconf libgudev sane-backends ];
  
    postInstall = ''
      mkdir -p $out/etc/bash_completion.d
  