diff --git a/pkgs/desktops/kde-4.5/default.nix b/pkgs/desktops/kde-4.5/default.nix
new file mode 100644
index 00000000000..8dbafea2b63
--- /dev/null
+++ b/pkgs/desktops/kde-4.5/default.nix
@@ -0,0 +1,40 @@
+pkgs:
+
+pkgs.recurseIntoAttrs (rec {
+
+### SUPPORT
+  automoc4 = import ./support/automoc4 {
+    inherit (pkgs) stdenv fetchurl cmake qt4;
+  };
+
+  phonon = import ./support/phonon {
+    inherit (pkgs) stdenv fetchurl cmake pkgconfig qt4 xineLib pulseaudio;
+    inherit (pkgs.gst_all) gstreamer gstPluginsBase;
+    inherit (pkgs.xlibs) libXau libXdmcp libpthreadstubs;
+    inherit automoc4;
+  };
+
+  soprano = import ./support/soprano {
+    inherit (pkgs) stdenv fetchurl cmake cluceneCore redland libiodbc qt4;
+  };
+
+  akonadi = import ./support/akonadi {
+	inherit (pkgs) stdenv fetchurl cmake qt4 shared_mime_info libxslt boost
+	  mysql;
+	inherit automoc4 soprano;
+  };
+
+  attica = import ./support/attica {
+    inherit (pkgs) stdenv fetchurl cmake qt4;
+  };
+
+  qca2 = import ./support/qca2 {
+    inherit (pkgs) stdenv fetchurl which qt4;
+  };
+
+  qca2_ossl = import ./support/qca2/ossl.nix {
+    inherit (pkgs) stdenv fetchurl qt4 openssl;
+    inherit qca2;
+  };
+  
+})
diff --git a/pkgs/desktops/kde-4.5/support/automoc4/default.nix b/pkgs/desktops/kde-4.5/support/automoc4/default.nix
index bd6c5c3b149..be50867cbe7 100644
--- a/pkgs/desktops/kde-4.5/support/automoc4/default.nix
+++ b/pkgs/desktops/kde-4.5/support/automoc4/default.nix
@@ -1,15 +1,15 @@
-{stdenv, fetchurl, lib, cmake, qt4}:
+{stdenv, fetchurl, cmake, qt4}:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "automoc4-0.9.88";
   src = fetchurl {
-    url = mirror://kde/stable/automoc4/0.9.88/automoc4-0.9.88.tar.bz2;
-    md5 = "91bf517cb940109180ecd07bc90c69ec";
+    url = "mirror://kde/stable/automoc4/0.9.88/${name}.tar.bz2";
+    sha256 = "0jackvg0bdjg797qlbbyf9syylm0qjs55mllhn11vqjsq3s1ch93";
   };
   buildInputs = [ cmake qt4 ];
   meta = {
     description = "KDE Meta Object Compiler";
     license = "BSD";
-    maintainers = [ lib.maintainers.sander ];
+    maintainers = [ stdenv.lib.maintainers.sander ];
   };
 }
diff --git a/pkgs/desktops/kde-4.5/support/qca2/default.nix b/pkgs/desktops/kde-4.5/support/qca2/default.nix
index ceff834e95b..4636113e3d8 100644
--- a/pkgs/desktops/kde-4.5/support/qca2/default.nix
+++ b/pkgs/desktops/kde-4.5/support/qca2/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, lib, which, qt4}:
+{stdenv, fetchurl, which, qt4}:
 
 stdenv.mkDerivation {
   name = "qca-2.0.2";
@@ -7,10 +7,10 @@ stdenv.mkDerivation {
     sha256 = "49b5474450104a2298747c243de1451ab7a6aeed4bf7df43ffa4b7128a2837b8";
   };
   buildInputs = [ which qt4 ];
-  meta = {
+  meta = with stdenv.lib; {
     description = "Qt Cryptographic Architecture";
     license = "LGPL";
     homepage = http://delta.affinix.com/qca;
-    maintainers = [ lib.maintainers.sander ];
+    maintainers = [ maintainers.sander maintainers.urkud ];
   };
 }
diff --git a/pkgs/desktops/kde-4.5/support/qca2/ossl.nix b/pkgs/desktops/kde-4.5/support/qca2/ossl.nix
index be992eb42ea..bd354c8a0cb 100644
--- a/pkgs/desktops/kde-4.5/support/qca2/ossl.nix
+++ b/pkgs/desktops/kde-4.5/support/qca2/ossl.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, lib, qt4, qca2, openssl}:
+{stdenv, fetchurl, qt4, qca2, openssl}:
 
 stdenv.mkDerivation rec {
   name = "qca-ossl-2.0.0-beta3";
@@ -14,10 +14,10 @@ stdenv.mkDerivation rec {
     configureFlags="$configureFlags --plugins-path=$out/lib/qt4/plugins"
   '';
   patches = [ ./ossl-remove-whirlpool.patch ];
-  meta = {
+  meta = with stdenv.lib; {
     description = "Qt Cryptographic Architecture OpenSSL plugin";
     license = "LGPL";
     homepage = http://delta.affinix.com/qca;
-    maintainers = [ lib.maintainers.urkud ];
+    maintainers = [ maintainers.urkud ];
   };
 }
diff --git a/pkgs/desktops/kde-4.5/support/soprano/default.nix b/pkgs/desktops/kde-4.5/support/soprano/default.nix
index 8d935b42299..a2cc42a18f0 100644
--- a/pkgs/desktops/kde-4.5/support/soprano/default.nix
+++ b/pkgs/desktops/kde-4.5/support/soprano/default.nix
@@ -1,11 +1,11 @@
-{stdenv, fetchurl, lib, cmake, qt4, cluceneCore, redland, libiodbc}:
+{stdenv, fetchurl, cmake, qt4, cluceneCore, redland, libiodbc}:
 
 stdenv.mkDerivation rec {
-  name = "soprano-2.4.63";
+  name = "soprano-2.4.64";
 
   src = fetchurl {
     url = "mirror://sf/soprano/${name}.tar.bz2";
-    sha256 = "0iqs0dy5d0pgf2x3vpigwvs8vp7mvfvzimkdw7dvqlqbbld05qbf";
+    sha256 = "1jrpgp573r2q20v108a0528f92n7g892pdr44fgskcq7wf8l8mzv";
   };
 
   # We disable the Java backend, since we do not need them and they make the closure size much bigger
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     homepage = http://soprano.sourceforge.net/;
     description = "An object-oriented C++/Qt4 framework for RDF data";
     license = "LGPL";
-    maintainers = with lib.maintainers; [ sander urkud ];
-    platforms = qt4.meta.platforms;
+    maintainers = with stdenv.lib.maintainers; [ sander urkud ];
+    inherit (qt4.meta) platforms;
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index acf9ee31c50..113624ae28d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6579,6 +6579,11 @@ let
     stdenv = stdenv2;
   });
 
+  kde45 = makeOverridable (import ../desktops/kde-4.5) (pkgs // {
+    openexr = openexr_1_6_1;
+    stdenv = stdenv2;
+  });
+
   xfce = xfce4;
   xfce4 = recurseIntoAttrs (import ../desktops/xfce-4 pkgs);