diff --git a/pkgs/applications/misc/xchm/default.nix b/pkgs/applications/misc/xchm/default.nix
index 4187474d847..e725124638f 100644
--- a/pkgs/applications/misc/xchm/default.nix
+++ b/pkgs/applications/misc/xchm/default.nix
@@ -1,10 +1,10 @@
 {stdenv, fetchurl, wxGTK, chmlib}:
 
 stdenv.mkDerivation {
-  name = "xchm-0.9.1";
+  name = "xchm-1.2";
   src = fetchurl {
-    url = http://nix.cs.uu.nl/dist/tarballs/xchm-0.9.1.tar.gz;
-    md5 = "5ba671e09e4c3ac46ffb5ce9d2c985eb";
+    url = http://surfnet.dl.sourceforge.net/sourceforge/xchm/xchm-1.2.tar.gz;
+    md5 = "17f2cda873f61470636dbfeebb4a531d";
   };
   buildInputs = [wxGTK chmlib];
 }
diff --git a/pkgs/development/libraries/chmlib/builder.sh b/pkgs/development/libraries/chmlib/builder.sh
index 7ecc1ca3be5..2fd6d7a830c 100644
--- a/pkgs/development/libraries/chmlib/builder.sh
+++ b/pkgs/development/libraries/chmlib/builder.sh
@@ -2,14 +2,19 @@
 
 unpackCmd="tar xvfj $src"
 
-makeFlags="CC=gcc LD=gcc INSTALLPREFIX=$out"
+makeFlags="-f Makefile.simple CC=gcc LD=gcc INSTALLPREFIX=$out"
 
+postConfigure=postConfigure
+postConfigure() {
+    cd src
+}
+
+preInstall=preInstall
 preInstall() {
     mkdir $out
     mkdir $out/lib
     mkdir $out/include
 }
-preInstall=preInstall
 
 installFlags=$makeFlags
 
diff --git a/pkgs/development/libraries/chmlib/default.nix b/pkgs/development/libraries/chmlib/default.nix
index 77e3d343a44..3cf75aba9ed 100644
--- a/pkgs/development/libraries/chmlib/default.nix
+++ b/pkgs/development/libraries/chmlib/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl, libtool}:
 
 stdenv.mkDerivation {
-  name = "chmlib-0.33";
+  name = "chmlib-0.36";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://nix.cs.uu.nl/dist/tarballs/chmlib-0.33.tbz;
-    md5 = "8bc84e94f1cea65005e5cb0ab40e2e86";
+    url = http://66.93.236.84/%7Ejedwin/projects/chmlib/chmlib-0.36.tbz;
+    md5 = "8fa5e9a1af13084ca465d9ee09e1946e";
   };
   buildInputs = [libtool];
 }
diff --git a/pkgs/development/libraries/wxGTK-2.6/default.nix b/pkgs/development/libraries/wxGTK-2.6/default.nix
new file mode 100644
index 00000000000..4d0650c539d
--- /dev/null
+++ b/pkgs/development/libraries/wxGTK-2.6/default.nix
@@ -0,0 +1,29 @@
+{stdenv, fetchurl, pkgconfig, gtk, libXinerama, compat22 ? true}:
+
+assert pkgconfig != null && gtk != null;
+assert gtk.libtiff != null;
+assert gtk.libjpeg != null;
+assert gtk.libpng != null;
+assert gtk.libpng.zlib != null;
+
+stdenv.mkDerivation {
+  name = "wxGTK-2.6.2";
+
+  src = fetchurl {
+    url = http://surfnet.dl.sourceforge.net/sourceforge/wxwindows/wxGTK-2.6.2.tar.bz2;
+    md5 = "ba2afe7bd028062c5fff6d5ef3249c67";
+  };
+
+  buildInputs = [
+    pkgconfig gtk gtk.libtiff gtk.libjpeg gtk.libpng gtk.libpng.zlib
+    libXinerama
+  ];
+
+  configureFlags = [
+    "--enable-gtk2"
+    (if compat22 then "--enable-compat22" else "--disable-compat22")
+    "--disable-precomp-headers"
+  ];
+
+  inherit gtk compat22;
+}
diff --git a/pkgs/system/all-packages-generic.nix b/pkgs/system/all-packages-generic.nix
index d62d8e8bb23..78129f70467 100644
--- a/pkgs/system/all-packages-generic.nix
+++ b/pkgs/system/all-packages-generic.nix
@@ -878,7 +878,15 @@ rec {
     inherit (xlibs) libXmu;
   };
 
-  wxGTK = (import ../development/libraries/wxGTK-2.5) {
+  wxGTK = wxGTK26;
+
+  wxGTK26 = (import ../development/libraries/wxGTK-2.6) {
+    inherit fetchurl stdenv pkgconfig;
+    inherit (gtkLibs) gtk;
+    inherit (xlibs) libXinerama;
+  };
+
+  wxGTK25 = (import ../development/libraries/wxGTK-2.5) {
     inherit fetchurl stdenv pkgconfig;
     inherit (gtkLibs) gtk;
     inherit (xlibs) libXinerama;
diff --git a/pkgs/system/populate-cache.nix b/pkgs/system/populate-cache.nix
index a136eda2028..b924c9ee35c 100644
--- a/pkgs/system/populate-cache.nix
+++ b/pkgs/system/populate-cache.nix
@@ -82,7 +82,7 @@ let {
     batik
 #    fspot
     hello
-#    xchm
+    xchm
     nxml
     uml
     nix