anchor.diff:      cp -r renpy renpy.py $out/share/renpy
       python module/setup.py install --prefix=$out --install-lib=$out/share/renpy/module
   
  -    wrapPythonPrograms
       makeWrapper ${python}/bin/python $out/bin/renpy \
  -      --set PYTHONPATH $program_PYTHONPATH \
  +      --set PYTHONPATH $PYTHONPATH \
         --set RENPY_BASE $out/share/renpy \
         --add-flags "-O $out/share/renpy/renpy.py"
     '';
   
  -  NIX_CFLAGS_COMPILE = "-I${pygame}/include/${python.libPrefix}";
  +  NIX_CFLAGS_COMPILE = "-I${pygame_sdl2}/include/${python.libPrefix}";
   }
  
positive.code:   };
  
    src = fetchurl {
      url = "http://www.renpy.org/dl/6.17.6/renpy-6.17.6-source.tar.bz2";
      sha256 = "0rkynw9cnr1zqdinz037d9zig6grhp2ca2pyxk80vhdpjb0xrkic";
    };
  
    buildInputs = [
      python cython pkgconfig wrapPython
      SDL libpng ffmpeg freetype glew mesa fribidi zlib pygame
    ];
  
    pythonPath = [ pygame ];
  
    RENPY_DEPS_INSTALL = stdenv.lib.concatStringsSep "::" (map (path: "${path}") [
      SDL SDL.dev libpng ffmpeg ffmpeg.out freetype glew.dev glew.out mesa fribidi zlib
    ]);
  
    buildPhase = ''
  
negative.code: { stdenv, fetchurl, pythonPackages, pkgconfig, SDL2
  , libpng, ffmpeg, freetype, glew, mesa, fribidi, zlib
  , glib
  }:
  
  with pythonPackages;
  
  stdenv.mkDerivation {
    name = "renpy-6.99.12.4";
  
    meta = {
      description = "Ren'Py Visual Novel Engine";
  