diff -Nru korundum-4.7.3/ChangeLog korundum-4.7.90/ChangeLog
--- korundum-4.7.3/ChangeLog	2011-06-22 16:34:20.000000000 +0000
+++ korundum-4.7.90/ChangeLog	2011-07-27 18:37:29.000000000 +0000
@@ -1,3 +1,7 @@
+2011-05-30  Richard Dale  <richard.j.dale@gmail.com>
+    * Make embedded Ruby plugins, such as the plasma extension, work with 
+      Ruby 1.9.x
+
 2010-09-30  Richard Dale  <richard.j.dale@gmail.com>
     * Replace STR2CSTR macros with StringValuePtr so that the
       krubypluginfactory.cpp builds with Ruby 1.9
diff -Nru korundum-4.7.3/debian/changelog korundum-4.7.90/debian/changelog
--- korundum-4.7.3/debian/changelog	2011-11-25 22:35:21.000000000 +0000
+++ korundum-4.7.90/debian/changelog	2011-12-20 23:52:45.000000000 +0000
@@ -1,3 +1,9 @@
+korundum (4:4.7.90-0ubuntu1) precise; urgency=low
+
+  * New upstream beta release
+
+ -- Jonathan Riddell <jriddell@ubuntu.com>  Sat, 17 Dec 2011 20:56:00 +0000
+
 korundum (4:4.7.3-0ubuntu1) precise; urgency=low
 
   * New upstream release
diff -Nru korundum-4.7.3/debian/control korundum-4.7.90/debian/control
--- korundum-4.7.3/debian/control	2011-11-25 22:37:56.000000000 +0000
+++ korundum-4.7.90/debian/control	2011-12-17 22:02:29.000000000 +0000
@@ -5,8 +5,8 @@
 XSBC-Original-Maintainer: Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>
 Uploaders: Torsten Marek <shlomme@debian.org>, Sune Vuorela <sune@debian.org>, David Palacio <dpalacio@orbitalibre.org>, Michael Meskes <meskes@debian.org>
 Build-Depends: debhelper (>= 7.4.10), cmake, ruby1.8, ruby1.8-dev,
- smoke-dev-tools (>= 4:4.7.1), libsmokeqt4-dev (>= 4:4.7.1),
- libsmokekde-dev (>= 4:4.7.1), libqtruby4shared-dev (>= 4:4.7.1),
+ smoke-dev-tools (>= 4:4.7.90), libsmokeqt4-dev (>= 4:4.7.90),
+ libsmokekde-dev (>= 4:4.7.90), libqtruby4shared-dev (>= 4:4.7.90),
  kdelibs5-dev, kdepimlibs5-dev, libakonadi-dev, okular-dev, libsoprano-dev
 Standards-Version: 3.9.2
 Homepage: http://projects.kde.org/projects/kde/kdebindings/ruby/korundum
diff -Nru korundum-4.7.3/src/krubypluginfactory.cpp korundum-4.7.90/src/krubypluginfactory.cpp
--- korundum-4.7.3/src/krubypluginfactory.cpp	2011-06-22 16:34:20.000000000 +0000
+++ korundum-4.7.90/src/krubypluginfactory.cpp	2011-07-27 18:37:29.000000000 +0000
@@ -39,6 +39,7 @@
 extern "C" {
 extern VALUE rb_load_path;
 extern VALUE qt_internal_module;
+void Init_prelude(void);
 }
 
 //
@@ -161,6 +162,12 @@
         ruby_init_loadpath();
     }
 
+#if RUBY_VERSION >= 0x10900
+    VALUE gem = rb_define_module("Gem");
+    rb_const_set(gem, rb_intern("Enable"), Qtrue);
+    Init_prelude(); 
+#endif
+
     ruby_incpush(QFile::encodeName(program.path()));
 
     int state = 0;
@@ -331,6 +338,12 @@
     if (firstTime) {
         ruby_init_loadpath();
     }
+    
+#if RUBY_VERSION >= 0x10900
+    VALUE gem = rb_define_module("Gem");
+    rb_const_set(gem, rb_intern("Enable"), Qtrue);
+    Init_prelude();                                             
+#endif
 
     ruby_incpush(QFile::encodeName(program.path()));