anchor.diff:  
     nativeBuildInputs = [ pkgconfig ];
   
  -  meta = {
  +  meta = with stdenv.lib; {
       homepage = http://gnupg.org/aegypten2/;
  -    description = "GnuPG's interface to passphrase input";
  -    license = stdenv.lib.licenses.gpl2Plus;
  -    platforms = stdenv.lib.platforms.all;
  +    description = "GnuPG’s interface to passphrase input";
  +    license = licenses.gpl2Plus;
  +    platforms = platforms.all;
       longDescription = ''
         Pinentry provides a console and (optional) GTK+ and Qt GUIs allowing users
         to enter a passphrase when `gpg' or `gpg2' is run and needs it.
       '';
  -    maintainers = [ stdenv.lib.maintainers.ttuegel ];
  +    maintainers = [ maintainers.ttuegel ];
     };
   }
  
positive.code:   mkEnable = mkFlag "enable" "disable";
    mkWith = mkFlag "with" "without";
  in
  with stdenv.lib;
  stdenv.mkDerivation rec {
    name = "pinentry-1.1.0";
  
  
negative.code: 
    patches = lib.optionals (gtk2 != null) [
      (fetchpatch {
        url = https://anonscm.debian.org/cgit/pkg-gnupg/pinentry.git/plain/debian/patches/0007-gtk2-When-X11-input-grabbing-fails-try-again-over-0..patch;
        sha256 = "046jy7k0n7fj74s5w1h6sq1ljg8y77i0xwi301kv53bhsp0xsirx";
      })
    ];
  
    configureFlags = [
      (mkWith   (libcap != null)    "libcap")
  