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diff --git a/Source/cmCMakeHostSystemInformationCommand.h b/Source/cmCMakeHostSystemInformationCommand.h
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+++ b/Source/cmCMakeHostSystemInformationCommand.h
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+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2013 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 cmCMakeHostSystemInformationCommand_h
+#define cmCMakeHostSystemInformationCommand_h
+
+#include "cmCommand.h"
+
+#include <cmsys/SystemInformation.hxx>
+
+/** \class cmCMakeHostSystemInformationCommand
+ * \brief Query host system specific information
+ *
+ * cmCMakeHostSystemInformationCommand queries system information of
+ * the sytem on which CMake runs.
+ */
+class cmCMakeHostSystemInformationCommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone()
+    {
+    return new cmCMakeHostSystemInformationCommand;
+    }
+
+  /**
+   * 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);
+
+   /**
+   * This determines if the command is invoked when in script mode.
+   */
+  virtual bool IsScriptable() const { return true; }
+
+   /**
+   * The name of the command as specified in CMakeList.txt.
+   */
+  virtual std::string GetName() const
+    {
+    return "cmake_host_system_information";
+    }
+
+  cmTypeMacro(cmCMakeHostSystemInformationCommand, cmCommand);
+
+private:
+  bool GetValue(cmsys::SystemInformation &info,
+    std::string const& key, std::string &value);
+
+  std::string ValueToString(size_t value) const;
+  std::string ValueToString(const char *value) const;
+  std::string ValueToString(std::string const& value) const;
+};
+
+#endif