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diff --git a/Source/cmDependsC.h b/Source/cmDependsC.h
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+++ b/Source/cmDependsC.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 cmDependsC_h
+#define cmDependsC_h
+
+#include "cmDepends.h"
+#include <cmsys/RegularExpression.hxx>
+#include <queue>
+
+/** \class cmDependsC
+ * \brief Dependency scanner for C and C++ object files.
+ */
+class cmDependsC: public cmDepends
+{
+public:
+  /** Checking instances need to know the build directory name and the
+      relative path from the build directory to the target file.  */
+  cmDependsC();
+  cmDependsC(cmLocalGenerator* lg, const char* targetDir,
+             const std::string& lang,
+             const std::map<std::string, DependencyVector>* validDeps);
+
+  /** Virtual destructor to cleanup subclasses properly.  */
+  virtual ~cmDependsC();
+
+protected:
+  // Implement writing/checking methods required by superclass.
+  virtual bool WriteDependencies(const std::set<std::string>& sources,
+                                 const std::string&           obj,
+                                 std::ostream& makeDepends,
+                                 std::ostream& internalDepends);
+
+  // Method to scan a single file.
+  void Scan(std::istream& is, const char* directory,
+    const std::string& fullName);
+
+  // Regular expression to identify C preprocessor include directives.
+  cmsys::RegularExpression IncludeRegexLine;
+
+  // Regular expressions to choose which include files to scan
+  // recursively and which to complain about not finding.
+  cmsys::RegularExpression IncludeRegexScan;
+  cmsys::RegularExpression IncludeRegexComplain;
+  std::string IncludeRegexLineString;
+  std::string IncludeRegexScanString;
+  std::string IncludeRegexComplainString;
+
+  // Regex to transform #include lines.
+  std::string IncludeRegexTransformString;
+  cmsys::RegularExpression IncludeRegexTransform;
+  typedef std::map<std::string, std::string> TransformRulesType;
+  TransformRulesType TransformRules;
+  void SetupTransforms();
+  void ParseTransform(std::string const& xform);
+  void TransformLine(std::string& line);
+
+public:
+  // Data structures for dependency graph walk.
+  struct UnscannedEntry
+  {
+    std::string FileName;
+    std::string QuotedLocation;
+  };
+
+  struct cmIncludeLines
+  {
+    cmIncludeLines(): Used(false) {}
+    std::vector<UnscannedEntry> UnscannedEntries;
+    bool Used;
+  };
+protected:
+  const std::map<std::string, DependencyVector>* ValidDeps;
+  std::set<std::string> Encountered;
+  std::queue<UnscannedEntry> Unscanned;
+
+  std::map<std::string, cmIncludeLines *> FileCache;
+  std::map<std::string, std::string> HeaderLocationCache;
+
+  std::string CacheFileName;
+
+  void WriteCacheFile() const;
+  void ReadCacheFile();
+private:
+  cmDependsC(cmDependsC const&); // Purposely not implemented.
+  void operator=(cmDependsC const&); // Purposely not implemented.
+};
+
+#endif