if  spell_ok  gtk+2; then
  config_query_list  SCILAB_GUI  "Use which GUI toolkit?"  gtk+2 gtk+ xaw3d
elif  spell_ok  gtk+; then
  config_query_list  SCILAB_GUI  "Use which GUI toolkit?"  gtk+ gtk+2 xaw3d
else
  config_query_list  SCILAB_GUI  "Use which GUI toolkit?"  xaw3d gtk+2 gtk+
fi
