anchor.diff:        fi
       '';
   
  -  meta = {
  +  meta = with stdenv.lib; {
       homepage = http://www.qemu.org/;
       description = "A generic and open source machine emulator and virtualizer";
  -    license = "GPLv2+";
  -    maintainers = with stdenv.lib.maintainers; [ viric shlevy eelco ];
  -    platforms = stdenv.lib.platforms.linux;
  +    license = licenses.gpl2Plus;
  +    maintainers = with maintainers; [ viric shlevy eelco ];
  +    platforms = platforms.linux;
     };
   }
  
positive.code: { stdenv, fetchurl, python, zlib, pkgconfig, glib, ncurses, perl, pixman
  , attr, libcap, vde2, alsaLib, texinfo, libuuid
  , makeWrapper
  , sdlSupport ? true, SDL
  , vncSupport ? true, libjpeg, libpng
  
negative.code: , x86Only ? false
  }:
  
  let n = "qemu-1.7.0"; in
  
  stdenv.mkDerivation rec {
    name = n + (if x86Only then "-x86-only" else "");
  
    src = fetchurl {
      url = "http://wiki.qemu.org/download/${n}.tar.bz2";
      sha256 = "050kq9mz8c2jcshm7nn7dldypsk8jr590ybnlw2wc51dbyl37wri";
    };
  
    buildInputs =
      [ python zlib pkgconfig glib ncurses perl pixman attr libcap
        vde2 alsaLib texinfo libuuid flex bison makeWrapper
      ]
      ++ stdenv.lib.optionals sdlSupport [ SDL ]
      ++ stdenv.lib.optionals vncSupport [ libjpeg libpng ]
  