anchor.diff:             --prefix "PYTHONPATH" ":" "${python}/lib/python${python.majorVersion}"
          done
       '';
  +
  +  configureFlags = "--enable-release";
   
     meta = {
       description = "Coccinelle, a program to apply C code semantic patches";
  
positive.code: { fetchurl, stdenv, python, ncurses, ocamlPackages, makeWrapper }:
  
  let
  
    name = "coccinelle-1.0.0-rc12";
    sha256 = "03b8930a53623ec79dc2486e9b6a569e373958cf46074c5f1d0028c70708498d";
  
  in stdenv.mkDerivation {
    inherit name;
  
negative.code: 
    buildInputs = with ocamlPackages; [
      ocaml findlib menhir
      ocaml_pcre pycaml
      python ncurses pkgconfig
    ];
  
    # TODO: is the generation of this wrapper truly/still needed?
    # I don't have a non-NixOS system, so I cannot verify this, but shouldn't
    # libpython know where to find its modules? (the path is for example in
    # its Sys-module).
    postInstall =
      # On non-NixOS systems, Coccinelle would end up looking up Python modules
      # in the wrong directory.
  