anchor.diff:  { stdenv, fetchurl, which, zlib, pkgconfig, SDL, openssl, python
   , libuuid, gettext, ncurses, dev86, iasl, pciutils, bzip2, xz
  -, lvm2, utillinux, procps, texinfo }:
  +, lvm2, utillinux, procps, texinfo, perl }:
   
   with stdenv.lib;
   
   let
   
     version = "4.0.1";
  +
  +  libDir = if stdenv.is64bit then "lib64" else "lib";
   
     # Sources needed to build the stubdoms.
   
  
positive.code: 
    buildInputs =
      [ which zlib pkgconfig SDL openssl python libuuid gettext ncurses
        dev86 iasl pciutils bzip2 xz texinfo
      ];
  
    makeFlags = "PREFIX=$(out) CONFIG_DIR=/etc";
  
negative.code:       '')}
      '';
  
    postBuild =
      ''
        make -C docs man-pages
      '';
  
    installPhase =
      ''
        cp -prvd dist/install/nix/store/* $out
        cp -prvd dist/install/boot $out/boot
        cp -prvd dist/install/etc $out/etc
        cp -dR docs/man1 docs/man5 $out/share/man/
      ''; # */
  
    postFixup =
  