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diff --git a/share/swig/2.0.11/ruby/rubytracking.swg b/share/swig/2.0.11/ruby/rubytracking.swg
new file mode 100644
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+++ b/share/swig/2.0.11/ruby/rubytracking.swg
@@ -0,0 +1,157 @@
+/* -----------------------------------------------------------------------------
+ * rubytracking.swg
+ *
+ * This file contains support for tracking mappings from 
+ * Ruby objects to C++ objects.  This functionality is needed
+ * to implement mark functions for Ruby's mark and sweep
+ * garbage collector.
+ * ----------------------------------------------------------------------------- */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Ruby 1.8 actually assumes the first case. */
+#if SIZEOF_VOIDP == SIZEOF_LONG
+#  define SWIG2NUM(v) LONG2NUM((unsigned long)v)
+#  define NUM2SWIG(x) (unsigned long)NUM2LONG(x)
+#elif SIZEOF_VOIDP == SIZEOF_LONG_LONG
+#  define SWIG2NUM(v) LL2NUM((unsigned long long)v)
+#  define NUM2SWIG(x) (unsigned long long)NUM2LL(x)
+#else
+#  error sizeof(void*) is not the same as long or long long
+#endif
+
+
+/* Global Ruby hash table to store Trackings from C/C++
+   structs to Ruby Objects. 
+*/
+static VALUE swig_ruby_trackings = Qnil;
+
+/* Global variable that stores a reference to the ruby
+   hash table delete function. */
+static ID swig_ruby_hash_delete;
+
+/* Setup a Ruby hash table to store Trackings */
+SWIGRUNTIME void SWIG_RubyInitializeTrackings(void) {
+  /* Create a ruby hash table to store Trackings from C++ 
+     objects to Ruby objects. */
+
+  /* Try to see if some other .so has already created a 
+     tracking hash table, which we keep hidden in an instance var
+     in the SWIG module.
+     This is done to allow multiple DSOs to share the same
+     tracking table.
+  */
+  ID trackings_id = rb_intern( "@__trackings__" );
+  VALUE verbose = rb_gv_get("VERBOSE");
+  rb_gv_set("VERBOSE", Qfalse);
+  swig_ruby_trackings = rb_ivar_get( _mSWIG, trackings_id );
+  rb_gv_set("VERBOSE", verbose);
+
+  /* No, it hasn't.  Create one ourselves */ 
+  if ( swig_ruby_trackings == Qnil )
+    {
+      swig_ruby_trackings = rb_hash_new();
+      rb_ivar_set( _mSWIG, trackings_id, swig_ruby_trackings );
+    }
+
+  /* Now store a reference to the hash table delete function
+     so that we only have to look it up once.*/
+  swig_ruby_hash_delete = rb_intern("delete");
+}
+
+/* Get a Ruby number to reference a pointer */
+SWIGRUNTIME VALUE SWIG_RubyPtrToReference(void* ptr) {
+  /* We cast the pointer to an unsigned long
+     and then store a reference to it using
+     a Ruby number object. */
+
+  /* Convert the pointer to a Ruby number */
+  return SWIG2NUM(ptr);
+}
+
+/* Get a Ruby number to reference an object */
+SWIGRUNTIME VALUE SWIG_RubyObjectToReference(VALUE object) {
+  /* We cast the object to an unsigned long
+     and then store a reference to it using
+     a Ruby number object. */
+
+  /* Convert the Object to a Ruby number */
+  return SWIG2NUM(object);
+}
+
+/* Get a Ruby object from a previously stored reference */
+SWIGRUNTIME VALUE SWIG_RubyReferenceToObject(VALUE reference) {
+  /* The provided Ruby number object is a reference
+     to the Ruby object we want.*/
+
+  /* Convert the Ruby number to a Ruby object */
+  return NUM2SWIG(reference);
+}
+
+/* Add a Tracking from a C/C++ struct to a Ruby object */
+SWIGRUNTIME void SWIG_RubyAddTracking(void* ptr, VALUE object) {
+  /* In a Ruby hash table we store the pointer and
+     the associated Ruby object.  The trick here is
+     that we cannot store the Ruby object directly - if
+     we do then it cannot be garbage collected.  So
+     instead we typecast it as a unsigned long and
+     convert it to a Ruby number object.*/
+
+  /* Get a reference to the pointer as a Ruby number */
+  VALUE key = SWIG_RubyPtrToReference(ptr);
+
+  /* Get a reference to the Ruby object as a Ruby number */
+  VALUE value = SWIG_RubyObjectToReference(object);
+
+  /* Store the mapping to the global hash table. */
+  rb_hash_aset(swig_ruby_trackings, key, value);
+}
+
+/* Get the Ruby object that owns the specified C/C++ struct */
+SWIGRUNTIME VALUE SWIG_RubyInstanceFor(void* ptr) {
+  /* Get a reference to the pointer as a Ruby number */
+  VALUE key = SWIG_RubyPtrToReference(ptr);
+
+  /* Now lookup the value stored in the global hash table */
+  VALUE value = rb_hash_aref(swig_ruby_trackings, key);
+	
+  if (value == Qnil) {
+    /* No object exists - return nil. */
+    return Qnil;
+  }
+  else {
+    /* Convert this value to Ruby object */
+    return SWIG_RubyReferenceToObject(value);
+  }
+}
+
+/* Remove a Tracking from a C/C++ struct to a Ruby object.  It
+   is very important to remove objects once they are destroyed
+   since the same memory address may be reused later to create
+   a new object. */
+SWIGRUNTIME void SWIG_RubyRemoveTracking(void* ptr) {
+  /* Get a reference to the pointer as a Ruby number */
+  VALUE key = SWIG_RubyPtrToReference(ptr);
+
+  /* Delete the object from the hash table by calling Ruby's
+     do this we need to call the Hash.delete method.*/
+  rb_funcall(swig_ruby_trackings, swig_ruby_hash_delete, 1, key);
+}
+
+/* This is a helper method that unlinks a Ruby object from its
+   underlying C++ object.  This is needed if the lifetime of the
+   Ruby object is longer than the C++ object */
+SWIGRUNTIME void SWIG_RubyUnlinkObjects(void* ptr) {
+  VALUE object = SWIG_RubyInstanceFor(ptr);
+
+  if (object != Qnil) {
+    DATA_PTR(object) = 0;
+  }
+}
+
+
+#ifdef __cplusplus
+}
+#endif