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diff --git a/Source/cmMakeDepend.h b/Source/cmMakeDepend.h
new file mode 100644
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--- /dev/null
+++ b/Source/cmMakeDepend.h
@@ -0,0 +1,150 @@
+/*============================================================================
+  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 cmMakeDepend_h
+#define cmMakeDepend_h
+
+#include "cmMakefile.h"
+#include "cmSourceFile.h"
+
+#include <cmsys/RegularExpression.hxx>
+
+/** \class cmDependInformation
+ * \brief Store dependency information for a single source file.
+ *
+ * This structure stores the depend information for a single source file.
+ */
+class cmDependInformation
+{
+public:
+  /**
+   * Construct with dependency generation marked not done; instance
+   * not placed in cmMakefile's list.
+   */
+  cmDependInformation(): DependDone(false), SourceFile(0) {}
+
+  /**
+   * The set of files on which this one depends.
+   */
+  typedef std::set<cmDependInformation*> DependencySetType;
+  DependencySetType DependencySet;
+
+  /**
+   * This flag indicates whether dependency checking has been
+   * performed for this file.
+   */
+  bool DependDone;
+
+  /**
+   * If this object corresponds to a cmSourceFile instance, this points
+   * to it.
+   */
+  const cmSourceFile *SourceFile;
+  
+  /**
+   * Full path to this file.
+   */
+  std::string FullPath;
+  
+  /**
+   * Full path not including file name.
+   */
+  std::string PathOnly;
+  
+  /**
+   * Name used to #include this file.
+   */
+  std::string IncludeName;
+  
+  /**
+   * This method adds the dependencies of another file to this one.
+   */
+  void AddDependencies(cmDependInformation*);  
+};
+
+
+// cmMakeDepend is used to generate dependancy information for
+// the classes in a makefile
+class cmMakeDepend
+{
+public:
+  /**
+   * Construct the object with verbose turned off.
+   */
+  cmMakeDepend();
+
+  /**
+   * Destructor.
+   */
+  virtual ~cmMakeDepend();
+  
+  /** 
+   * Set the makefile that is used as a source of classes.
+   */
+  virtual void SetMakefile(cmMakefile* makefile); 
+
+  /**
+   * Add a directory to the search path for include files.
+   */
+  virtual void AddSearchPath(const char*);
+
+  /**
+   * Generate dependencies for the file given.  Returns a pointer to
+   * the cmDependInformation object for the file.
+   */
+  const cmDependInformation* FindDependencies(const char* file);
+
+protected:
+  /**
+   * Compute the depend information for this class.
+   */
+  virtual void DependWalk(cmDependInformation* info);
+  
+  /**
+   * Add a dependency.  Possibly walk it for more dependencies.
+   */
+  virtual void AddDependency(cmDependInformation* info, const char* file);
+  
+  /**
+   * Fill in the given object with dependency information.  If the
+   * information is already complete, nothing is done.
+   */
+  void GenerateDependInformation(cmDependInformation* info);
+  
+  /**
+   * Get an instance of cmDependInformation corresponding to the given file
+   * name.
+   */
+  cmDependInformation* GetDependInformation(const char* file, 
+                                            const char *extraPath);  
+  
+  /** 
+   * Find the full path name for the given file name.
+   * This uses the include directories.
+   * TODO: Cache path conversions to reduce FileExists calls.
+   */
+  std::string FullPath(const char *filename, const char *extraPath);
+
+  cmMakefile* Makefile;
+  bool Verbose;
+  cmsys::RegularExpression IncludeFileRegularExpression;
+  cmsys::RegularExpression ComplainFileRegularExpression;
+  std::vector<std::string> IncludeDirectories;
+  typedef std::map<cmStdString, cmStdString> FileToPathMapType;
+  typedef std::map<cmStdString, FileToPathMapType> 
+  DirectoryToFileToPathMapType;
+  typedef std::map<cmStdString, cmDependInformation*> 
+  DependInformationMapType;
+  DependInformationMapType DependInformationMap;
+  DirectoryToFileToPathMapType DirectoryToFileToPathMap;
+};
+
+#endif