anchor.diff:    buildInputs = [
       freetype
       fontconfig
  -    xorg.libX11
  -    xorg.libXft
  -    xorg.libXinerama
  -    xorg.libXrender
  -    xorg.renderproto
  -    xorg.xproto
  +    libx11
  +    libxft
  +    libxinerama
  +    libxrender
  +    xorgproto
       zlib
     ];
   
  
positive.code:       -e "s,PREFIX = /usr/local,PREFIX = $out,g"
    '';
  
    meta = with stdenv.lib; {
      description = "Dynamic menu for X";
      homepage = http://tools.suckless.org/dmenu;
      license = licenses.mit;
  
negative.code: { stdenv
  , fetchurl
  , lib
  
  , freetype
  , fontconfig
  , libx11
  , libxft
  , libxinerama
  , libxrender
  , xorgproto
  , zlib
  }:
  
  