1 files changed, 3 insertions, 3 deletions
diff --git a/pkgs/desktops/xfce/core/gtk-xfce-engine.nix b/pkgs/desktops/xfce/core/gtk-xfce-engine.nix
index a97a11c6f123..360e4a0a2503 100644
--- a/pkgs/desktops/xfce/core/gtk-xfce-engine.nix
+++ b/pkgs/desktops/xfce/core/gtk-xfce-engine.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, intltool, gtk }:
+{ stdenv, fetchurl, pkgconfig, intltool, gtk, enableGtk3Support ? false, gtk3 }:
 
 stdenv.mkDerivation rec {
   p_name  = "gtk-xfce-engine";
@@ -12,12 +12,12 @@ stdenv.mkDerivation rec {
   name = "${p_name}-${ver_maj}.${ver_min}";
 
   #TODO: gtk3
-  buildInputs = [ pkgconfig intltool gtk ];
+  buildInputs = [ pkgconfig intltool gtk ] ++ stdenv.lib.optional enableGtk3Support gtk3;
 
   meta = {
     homepage = http://www.xfce.org/;
     description = "GTK+ theme engine for Xfce";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.eelco ];
   };