anchor.diff:  , makeWrapper
   
   , adwaita-icon-theme
  -, bash
  +, dconf
   , gdk-pixbuf
   , glib
   , gmp
  
positive.code: 
    buildInputs = [
      adwaita-icon-theme
      bash
      gdk-pixbuf
      glib
      gmp
  
negative.code:   preFixup = ''
      wrapProgram $out/bin/gnome-calculator \
        --set 'GDK_PIXBUF_MODULE_FILE' "$GDK_PIXBUF_MODULE_FILE" \
        --set 'GSETTINGS_BACKEND' 'dconf' \
        --prefix 'GIO_EXTRA_MODULES' : "${dconf}/lib/gio/modules" \
        --prefix 'XDG_DATA_DIRS' : "$GSETTINGS_SCHEMAS_PATH" \
        --prefix 'XDG_DATA_DIRS' : "$out/share" \
        --prefix 'XDG_DATA_DIRS' : "$XDG_ICON_DIRS"
    '';
  
  