anchor.diff:  
     preConfigure = ''
       autoreconf
  +    automake --add-missing
     '';
   
     passthru.grubTarget = "";
  
positive.code: {stdenv, fetchurl, autoconf, automake, buggyBiosCDSupport ? true}:
  
  stdenv.mkDerivation {
    name = "grub-0.97-patch-1.12";
  
negative.code:   ] ++ (stdenv.lib.optional buggyBiosCDSupport ./buggybios.patch);
  
    # Autoconf/automake required for the splashimage patch.
    buildInputs = [autoconf automake texinfo];
  
    prePatch = ''
      unpackFile $gentooPatches
  