nixpkgs.config.packageOverrides = super: {
    sudo = (super.sudo.override({ withInsults = true; })).overrideAttrs(
      oldAttrs: {
        configureFlags = oldAttrs.configureFlags ++ [ "--with-sssd" "--with-sssd-lib=${super.sssd}/lib" ];
      }
    );
    sssd = super.sssd.overrideAttrs(
      oldAttrs: {
        preConfigure = oldAttrs.preConfigure + 
        configureFlagsArray+=("--with-sudo");
        ;
      }
    );
  };