anchor.diff:  
     configureFlags = [
       "--with-canberra"
  -    "--with-gpgme"
       "--with-gtksourceview"
       "--with-libsecret"
       "--with-ssl"
  
positive.code: { stdenv
  , fetchurl
  , glib
  , gmime
  , gnutls
  , gobject-introspection
  , gpgme
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "balsa";
    version = "2.6.1";
  
    src = fetchurl {
      url = "https://pawsa.fedorapeople.org/balsa/${pname}-${version}.tar.bz2";
      sha256 = "1xkxx801p7sbfkn0bh3cz85wra4xf1z1zhjqqc80z1z1nln7fhb4";
    };
  
    nativeBuildInputs = [
  