anchor.diff:      "--enable-largefile"
       "--with-statvfs"
       "--with-statfs"
  -    "--with-ncurses"
  -    "--with-ncursesw"
  -    "--with-xmlrpc-c"
  -  ];
  -
  -  nativeBuildInputs = [
  -    autoreconfHook
  -  ];
  -
  -  buildInputs = [
  -    cppunit
  -    curl
  -    libsigcxx
  -    libtorrent
  -    ncurses
  -    openssl
  -    xmlrpc_c
  -    zlib
  +    (wtFlag "ncurses" (ncurses != null) null)
  +    (wtFlag "ncursesw" (ncurses != null) null)
  +    (wtFlag "xmlrpc-c" (xmlrpc_c != null) null)
     ];
   
     postInstall = ''
       mkdir -pv $out/share/rtorrent
       mv -v doc/rtorrent.rc $out/share/rtorrent/rtorrent.rc
     '';
  -
  -  enableParallelBuilding = true;
   
     meta = with stdenv.lib; {
       description = "An ncurses client for libtorrent";
  
positive.code:     rev = "62cb5a4605c0664bc522e0e0da9c72f09cf643a9";
      sha256 = "0l2kqkbfl5l7drmqdqdryq1p0fpz05aghxrqd29fs4j9bx0djnaw";
    };
  
    patches = optionals colorSupport [
      # Optional patch adds support for custom configurable colors
  
negative.code: 
  with {
    inherit (stdenv.lib)
      optionals
      wtFlag;
  };
  
  stdenv.mkDerivation rec {
  