anchor.diff:    meta = with lib; {
       homepage = "https://wiki.gnome.org/Projects/GnomeOnlineAccounts";
       description = "Single sign-on framework for GNOME";
  -    platforms = platforms.linux;
  +    platforms = platforms.unix;
       license = licenses.lgpl2Plus;
       maintainers = teams.gnome.members;
     };
  
positive.code: 
    mesonFlags = [
      "-Dfedora=false" # not useful in NixOS or for NixOS users.
      "-Dgtk_doc=true"
      "-Dman=true"
      "-Dmedia_server=true"
    ];
  
  
negative.code:     libxml2
      libsecret
      libsoup_3
    ] ++ lib.optionals enableBackend [
      webkitgtk_4_1
    ];
  
  