djvulibre: Qt3 frontend is optional

svn path=/nixpkgs/branches/stdenv-updates/; revision=10241

pkgs/applications/misc/djvulibre/default.nix

@@ -1,7 +1,4 @@
-{stdenv, fetchurl,
-qt, libX11, libjpeg, libtiff, libpng, ghostscript, zlib, libungif,
-x11, mesa
-}:
+args: with args;
 stdenv.mkDerivation {
   name = "djvulibre-3.5.19";
 

pkgs/top-level/all-packages.nix

@@ -3794,7 +3794,7 @@ rec {
   djvulibre = import ../applications/misc/djvulibre {
     inherit stdenv fetchurl libjpeg libtiff libungif zlib
 	ghostscript libpng x11 mesa;
-    qt = qt3;
+    qt = if (getConfig ["djvulibre" "qt3Frontend"] true) then qt3 else null;
     inherit (xlibs) libX11;
   };