anchor.diff:    ];
   
     doCheck = true;
  -  enableParallelBuilding = true;
   
     meta = with stdenv.lib; {
       description = "Perl Compatible Regular Expressions";
  
positive.code:     sha256 = "1q6lrj9b08l1q39vxipb0fi88x6ybvkr6439h8bjb9r8jd81fsn6";
    };
  
    configureFlags = [
      "--enable-pcre2-8"
      "--enable-pcre2-16"
  
negative.code:     "--disable-coverage"
    ];
  
    outputs = [
      "out"
      "doc"
  