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diff --git a/indra/llprimitive/llphysicsextensions/llphysicsextensions.h b/indra/llprimitive/llphysicsextensions/llphysicsextensions.h
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+++ b/indra/llprimitive/llphysicsextensions/llphysicsextensions.h
@@ -0,0 +1,59 @@
+/**
+* @file   llphysicsextensions.h
+* @author nyx@lindenlab.com
+* @brief  LLPhysicsExtensions core shared initialization
+*         routines
+* 
+* $LicenseInfo:firstyear=2012&license=lgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2011, Linden Research, Inc.
+* 
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+* 
+* This library 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
+* Lesser General Public License for more details.
+* 
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+* 
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+#ifndef LL_PHYSICS_EXTENSIONS
+#define LL_PHYSICS_EXTENSIONS
+
+#include "llpreprocessor.h"
+#include "llsd.h"
+#include "v3dmath.h"
+
+#define LLPHYSICSEXTENSIONS_VERSION "1.0"
+
+typedef int bool32;
+
+class LLPhysicsExtensions
+{
+
+public:
+	// Obtain a pointer to the actual implementation
+	static LLPhysicsExtensions* getInstance();
+
+	/// @returns false if this is the stub
+	static bool isFunctional();
+
+	static bool initSystem();
+	static bool quitSystem();
+
+private:
+    static bool s_isInitialized;
+};
+
+#endif //LL_PATHING_LIBRARY
+
+