anchor.diff:  }:
   
   stdenv.mkDerivation rec {
  -  version = "4.0.1";
  +  version = "4.0.5";
     pname = "yara";
   
     src = fetchFromGitHub {
       owner = "VirusTotal";
       repo = "yara";
       rev = "v${version}";
  -    sha256 = "0dy8jf0pdn0wilxy1pj6pqjxg7icxkwax09w54np87gl9p00f5rk";
  +    sha256 = "1gkdll2ygdlqy1f27a5b84gw2bq75ss7acsx06yhiss90qwdaalq";
     };
   
     nativeBuildInputs = [ autoreconfHook pkg-config ];
  
positive.code:   ;
  
    preConfigure = "./bootstrap.sh";
  
    configureFlags = [
      (lib.withFeature withCrypto "crypto")
  
negative.code: { lib, stdenv
  , fetchpatch
  , fetchFromGitHub
  , autoreconfHook
  , pcre
  