anchor.diff:  
   
     buildInputs = [
  -    libX11
  -    libxcb
  -    libXrandr
  -    libXcursor
  -    libXft
  -    libXt
  -    xcbutil
  +    xorg.libX11
  +    xorg.libxcb
  +    xorg.libXrandr
  +    xorg.libXcursor
  +    xorg.libXft
  +    xorg.libXt
  +    xorg.xcbutil
       xcb-util-cursor
  -    xcbutilkeysyms
  -    xcbutilwm
  +    xorg.xcbutilkeysyms
  +    xorg.xcbutilwm
     ];
   
     sourceRoot = "spectrwm-SPECTRWM_2_7_2/linux";
  
positive.code: { fetchurl
  , coreutils
  , libX11
  , libXrandr
  , libXcursor
  , libXft
  , libXt
  , libxcb
  , xcbutil
  , xcb-util-cursor
  , xcbutilkeysyms
  , xcbutilwm
  , stdenv
  }:
  
  stdenv.mkDerivation rec {
  
negative.code:   meta = with stdenv.lib; {
      description = "A tiling window manager";
      homepage    = "https://github.com/conformal/spectrwm";
      maintainers = with maintainers; [ ];
      license     = licenses.isc;
      platforms   = platforms.all;
    };
  
  }
  