anchor.diff:      sha256 = "186x33wsk4mzjz7dzbn8p0py9a0nzkgzpfkdv4rlyy5gghv5vhd3";
     };
   
  -  buildInputs = [ perl zlib sqlite ];
  +  buildInputs = [ perl zlib sqlite ]
  +    ++ stdenv.lib.optional stdenv.isDarwin fixDarwinDylibNames;
   
     propagatedBuildInputs = [ nspr ];
   
  
positive.code: { stdenv, fetchurl, nspr, perl, zlib, sqlite }:
  
  let
  
  
negative.code:     ];
  
    patchFlags = "-p0";
  
    postPatch = stdenv.lib.optionalString stdenv.isDarwin ''
      substituteInPlace nss/coreconf/Darwin.mk --replace '@executable_path/$(notdir $@)' "$out/lib/\$(notdir \$@)"
    '';
  
    outputs = [ "out" "dev" "tools" ];
  
  