anchor.diff:      sha256 = "0mx92f9hjjpg3blgmgp8sz0f3jg7m9hssdscipwybks258k8926m";
     };
   
  -  buildInputs = [ dpkg makeWrapper xz ];
  +  buildInputs = [ dpkg makeWrapper ];
   
     phases = "installPhase";
   
  
positive.code: { stdenv, fetchurl, dpkg, makeWrapper, xz }:
  
  assert stdenv.system == "i686-linux";
  
  
negative.code:     substituteInPlace "$out/bin/steam" --replace "/usr/" "$out/"
      substituteInPlace "$out/bin/steam" --replace "\`basename \$0\`" "steam"
      sed -i '/jockey-common/d' $out/bin/steam
      wrapProgram "$out/bin/steam" \
        --prefix PATH ":" "${xz}/bin" \
        --prefix LD_LIBRARY_PATH : ${libX11}/lib:${gcc.gcc}/lib
  
      mkdir -p $out/patches
      cat > $out/patches/post-install.sh << EOF
      #!${stdenv.shell}
  
      # post-install script to patch stuff at \$HOME
      PATH=\$PATH:${patchelf}/bin
      sed -i 's/bash/sh/' \$HOME/.local/share/Steam/steam.sh
      patchelf --set-interpreter "$(cat $NIX_GCC/nix-support/dynamic-linker)" \
          \$HOME/.local/share/Steam/ubuntu12_32/steam
      EOF
  
      chmod +x $out/patches/post-install.sh
    '';
  
    meta = {
  