anchor.diff:  
     nativeBuildInputs = [ makeWrapper ];
   
  -  buildInputs = [ xlibsWrapper libXpm libXmu libXi libXp Xaw3d ];
  +  buildInputs = [ xlibsWrapper libXpm libXmu libXi libXp Xaw3d libXaw ];
   
     meta = with lib; {
       description = "An interactive drawing tool for X11";
  
positive.code:       Note that you need to have the <literal>netpbm</literal> tools
        in your path to export bitmaps.
      '';
      inherit (fig2dev.meta) license homepage platforms;
    };
  }
  
negative.code: { lib, stdenv, fetchurl, xlibsWrapper, makeWrapper, libXpm
  , libXmu, libXi, libXp, Xaw3d, libXaw, fig2dev
  }:
  
  stdenv.mkDerivation rec {
    pname = "xfig";
    version = "3.2.8";
  
    src = fetchurl {
      url = "mirror://sourceforge/mcj/xfig-${version}.tar.xz";
      sha256 = "1czamqp0xn0j6qjnasa3fjnrzi072v6qknylr6jrs4gwsfw4ybyw";
    };
  
    postPatch = ''
  