anchor.diff:        ./nix-store-mtime.patch
       ];
   
  +  postPatch = ''
  +    substituteInPlace ./Lib/plat-generic/regen \
  +                      --replace /usr/include/netinet/in.h \
  +                                ${stdenv.gcc.libc}/include/netinet/in.h
  +  '';
  +
     buildInputs =
       optional (stdenv ? gcc && stdenv.gcc.libc != null) stdenv.gcc.libc ++
       [ bzip2 ]
  
positive.code:   python = stdenv.mkDerivation {
      name = "python-${version}";
  
      inherit majorVersion version src patches buildInputs;
  
      C_INCLUDE_PATH = concatStringsSep ":" (map (p: "${p}/include") buildInputs);
      LIBRARY_PATH = concatStringsSep ":" (map (p: "${p}/lib") buildInputs);
  
negative.code:     stdenv.mkDerivation rec {
        name = "python-${moduleName}-${python.version}";
  
        inherit src patches postPatch;
  
        buildInputs = [ python ] ++ deps;
  
  