anchor.diff:      pango
       libsecret
       openssh
  +  ] ++ lib.optionals stdenv.isLinux [
       systemd
     ];
   
  
positive.code: 
      chmod +x meson_post_install.py
      patchShebangs meson_post_install.py
    '';
  
    postFixup = ''
  
negative.code:     # We are still using ssh-agent from gnome-keyring.
      # https://github.com/NixOS/nixpkgs/issues/140824
      "-Dssh_agent=false"
    ] ++ lib.optionals (!stdenv.isLinux) [
      "-Dsystemd=disabled"
    ];
  
    doCheck = false; # fails 21 out of 603 tests, needs dbus daemon
  