anchor.diff:  
     buildInputs = [
       cmake libpcap libnet zlib curl pcre openssl ncurses
  -    glib gtk atk pango flex bison
  +    glib gtk2 atk pango flex bison
     ];
   
     preConfigure = ''
  
positive.code: { stdenv, fetchFromGitHub, cmake, libpcap, libnet, zlib, curl, pcre,
    openssl, ncurses, glib, gtk, atk, pango, flex, bison }:
  
  stdenv.mkDerivation rec {
    name = "ettercap-${version}";
  
negative.code: 
    cmakeFlags = [
      "-DGTK2_GLIBCONFIG_INCLUDE_DIR=${glib.out}/lib/glib-2.0/include"
      "-DGTK2_GDKCONFIG_INCLUDE_DIR=${gtk2.out}/lib/gtk-2.0/include"
    ];
  
    meta = with stdenv.lib; {
  