anchor.diff: -{ lib, stdenv
  +{ stdenv
  +, lib
   , fetchurl
   , substituteAll
   , glib
  
positive.code:     networkmanager
    ] ++ lib.optionals withGnome [
      gtk3
      gcr
      libsecret
    ];
  
negative.code: 
    configureFlags = [
      "--with-gnome=${if withGnome then "yes" else "no"}"
      "--with-gtk4=${if withGnome then "yes" else "no"}"
      "--enable-absolute-paths"
    ];
  
    passthru = {
  