new file mode 100644
--- /dev/null
+++ b/src/Stack.cc
@@ -0,0 +1,71 @@
+// Template stack class                                  -*- C++ -*-
+/*
+
+Copyright (C) 1993, 1994 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+// Maybe this will work with 2.6.x and beyond?
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if defined (__GNUG__) && defined (USE_EXTERNAL_TEMPLATES)
+#pragma implementation
+#endif
+
+#include <iostream.h>
+
+#include "Stack.h"
+
+template <class T>
+void
+Stack<T>::error (const char *msg)
+{
+  cerr << msg;
+}
+
+#ifdef __GNUG__
+#if defined (OCTAVE_SOURCE) && defined (USE_EXTERNAL_TEMPLATES)
+
+typedef Stack<int> stack_type_int;
+typedef Stack<char *> stack_type_p_char;
+
+#include "symtab.h"
+typedef Stack<symbol_def *> stack_type_p_symbol_def;
+
+#include "token.h"
+typedef Stack<token *> stack_type_p_token;
+
+#include "tree.h"
+typedef Stack<tree_matrix *> stack_type_p_tree_matrix;
+
+#include "unwind-prot.h"
+typedef Stack<unwind_elem> stack_type_unwind_elem;
+
+#endif
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; page-delimiter: "^/\\*" ***
+;;; End: ***
+*/