anchor.diff:  , stdenv
   , gettext
   , fetchurl
  -, evolution-data-server
  +, evolution-data-server-gtk4
   , pkg-config
   , libxslt
   , docbook-xsl-nons
  
positive.code: , libportal-gtk4
  , gnome-desktop
  , gnome-online-accounts
  , wrapGAppsHook
  , folks
  , libxml2
  , gnome
  
negative.code:     sha256 = "Hoyo2nF429WpIQJVBkokvdwz35WFx1hOExBxTJprjco=";
    };
  
    nativeBuildInputs = [
      meson
      ninja
  