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diff --git a/Source/CPack/cmCPackRPMGenerator.h b/Source/CPack/cmCPackRPMGenerator.h
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+++ b/Source/CPack/cmCPackRPMGenerator.h
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+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2009 Kitware, Inc.
+
+  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 cmCPackRPMGenerator_h
+#define cmCPackRPMGenerator_h
+
+
+#include "cmCPackGenerator.h"
+
+/** \class cmCPackRPMGenerator
+ * \brief A generator for RPM packages
+ * The idea of the CPack RPM generator is to use
+ * as minimal C++ code as possible.
+ * Ideally the C++ part of the CPack RPM generator
+ * will only 'execute' (aka ->ReadListFile) several
+ * CMake macros files.
+ */
+class cmCPackRPMGenerator : public cmCPackGenerator
+{
+public:
+  cmCPackTypeMacro(cmCPackRPMGenerator, cmCPackGenerator);
+
+  /**
+   * Construct generator
+   */
+  cmCPackRPMGenerator();
+  virtual ~cmCPackRPMGenerator();
+
+  static bool CanGenerate()
+    {
+#ifdef __APPLE__
+    // on MacOS enable CPackRPM iff rpmbuild is found
+    std::vector<std::string> locations;
+    locations.push_back("/sw/bin");        // Fink
+    locations.push_back("/opt/local/bin"); // MacPorts
+    return cmSystemTools::FindProgram("rpmbuild") != "" ? true : false;
+#else
+    // legacy behavior on other systems
+    return true;
+#endif
+    }
+
+protected:
+  virtual int InitializeInternal();
+  virtual int PackageFiles();
+  /**
+   * This method factors out the work done in component packaging case.
+   */
+  int PackageOnePack(std::string initialToplevel, std::string packageName);
+  /**
+   * The method used to package files when component
+   * install is used. This will create one
+   * archive for each component group.
+   */
+  int PackageComponents(bool ignoreGroup);
+  /**
+   * Special case of component install where all
+   * components will be put in a single installer.
+   */
+  int PackageComponentsAllInOne();
+  virtual const char* GetOutputExtension() { return ".rpm"; }
+  virtual bool SupportsComponentInstallation() const;
+  virtual std::string GetComponentInstallDirNameSuffix(
+      const std::string& componentName);
+
+};
+
+#endif