Initial revision

From-SVN: r13710

gcc/objc/linking.m

+/* Force linking of classes required by Objective C runtime.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   Contributed by Ovidiu Predescu (ovidiu@net-community.com).
+
+This file is part of GNU CC.
+
+GNU CC 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.
+
+GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* As a special exception, if you link this library with files compiled with
+   GCC to produce an executable, this does not cause the resulting executable
+   to be covered by the GNU General Public License. This exception does not
+   however invalidate any other reasons why the executable file might be
+   covered by the GNU General Public License.  */
+
+#include <objc/Object.h>
+#include <objc/NXConstStr.h>
+
+/* Generate references to Object and NXConstanstString classes since they are
+   needed by the runtime system to run correctly. */
+
+
+void __objc_linking (void)
+{
+  [Object name];
+  [NXConstantString name];
+}
+