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diff --git a/Source/cmUseMangledMesaCommand.h b/Source/cmUseMangledMesaCommand.h
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+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+#ifndef cmUseMangledMesaCommand_h
+#define cmUseMangledMesaCommand_h
+
+#include "cmCommand.h"
+
+#include "cmSourceFile.h"
+
+/** \class cmUseMangledMesaCommand
+ * \brief Create Tcl Wrappers for VTK classes.
+ *
+ * cmUseMangledMesaCommand is used to define a CMake variable include
+ * path location by specifying a file and list of directories.
+ */
+class cmUseMangledMesaCommand : public cmCommand
+{
+public:
+  cmTypeMacro(cmUseMangledMesaCommand, cmCommand);
+
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone()
+    {
+    return new cmUseMangledMesaCommand;
+    }
+
+  /**
+   * This is called when the command is first encountered in
+   * the CMakeLists.txt file.
+   */
+  virtual bool InitialPass(std::vector<std::string> const& args,
+                           cmExecutionStatus &status);
+
+  /**
+   * The name of the command as specified in CMakeList.txt.
+   */
+  virtual const char* GetName() const { return "use_mangled_mesa";}
+
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() const
+    {
+    return "Copy mesa headers for use in combination with system GL.";
+    }
+
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation() const
+    {
+    return
+      "  use_mangled_mesa(PATH_TO_MESA OUTPUT_DIRECTORY)\n"
+      "The path to mesa includes, should contain gl_mangle.h.  "
+      "The mesa headers are copied to the specified output directory.  "
+      "This allows mangled mesa headers to override other GL headers by "
+      "being added to the include directory path earlier.";
+    }
+
+  /**
+   * This determines if the command is invoked when in script mode.
+   */
+  virtual bool IsScriptable() const { return true; }
+
+  /** This command is kept for compatibility with older CMake versions. */
+  virtual bool IsDiscouraged() const
+    {
+    return true;
+    }
+
+protected:
+  void CopyAndFullPathMesaHeader(const char* source,
+                                 const char* outdir);
+};
+
+
+#endif