anchor.diff:      license = "GPLv3+";
   
       maintainers = [ stdenv.lib.maintainers.ludo ];
  +    platforms = stdenv.lib.platforms.gnu;
     };
   }
  
positive.code: in
  
  stdenv.mkDerivation rec {
    name = "grub-1.97.1";
  
    src = fetchurl {
      url = "ftp://alpha.gnu.org/gnu/grub/${name}.tar.gz";
      sha256 = "1grpz4jphrhlmjr0ai4vi5rs1xknwfqgb376cq7hlwzblcblbw2i";
    };
  
    buildInputs = [ bison ncurses libusb freetype ];
  
negative.code:          Unified Bootloader, which was originally designed and implemented by
           Erich Stefan Boleyn.
  
           Briefly, the boot loader is the first software program that runs when a
           computer starts.  It is responsible for loading and transferring
           control to the operating system kernel software (such as the Hurd or
           the Linux).  The kernel, in turn, initializes the rest of the
  