anchor.diff:  { stdenv
   , fetchurl
   , lib
  -, python2
  -, swig
   
   , libsepol
  -, pcre
  +, pcre2_lib
   }:
   
   let
  
positive.code:     sha256 = "31db96ec7643ce10912b3c3f98506a08a9116dcfe151855fd349c3fda96187e1";
    };
  
    nativeBuildInputs = [
      python2
      swig
    ];
  
    buildInputs = [
      libsepol
      pcre
    ];
  
    postPatch = ''
  
negative.code:   '';
  
    buildFlags = [
      "USE_PCRE2=y"
      "all"
    ];
  
    installTargets = [
      "install"
    ];
  
    meta = with lib; {
  