anchor.diff:      '';
   
       platforms = platforms.all;
  +    maintainers = with maintainers; [ ];
     };
   }
  
positive.code: 
    postFixup = ''
      moveToOutput bin/pcre-config "$dev"
    ''
      + optionalString (variant != null) ''
      ln -sf -t "$out/lib/" '${pcre.out}'/lib/libpcre{,posix}.{so.*.*.*,*dylib}
    '';
  
  
negative.code: 
  assert elem variant [ null "cpp" "pcre16" "pcre32" ];
  
  stdenv.mkDerivation rec {
    pname = "pcre"
      + lib.optionalString (variant == "cpp") "-cpp"
      + lib.optionalString (variant != "cpp" && variant != null) variant;
    version = "8.44";
  
    src = fetchurl {
      url = "mirror://sourceforge/project/pcre/pcre/${version}/pcre-${version}.tar.bz2";
  