anchor.diff:    ];
   
     doCheck = true;
  -  enableParallelBuilding = true;
   
     meta = with stdenv.lib; {
       description = "Perl Compatible Regular Expressions";
  
positive.code:     "--disable-coverage"
    ];
  
    buildInputs = optionals pcregrep [
      bzip2
      zlib
    ];
  
    outputs = [
      "out"
      "doc"
  
negative.code:     sha256 = "1pvra19ljkr5ky35y2iywjnsckrs9ch2anrf5b0dc91hw8v2vq5r";
    };
  
    buildInputs = optionals pcregrep [
      bzip2
      zlib
    ];
  
    configureFlags = [
      "--enable-pcre8"
      "--enable-pcre16"
  