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diff --git a/Source/cmPolicies.h b/Source/cmPolicies.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 cmPolicies_h
+#define cmPolicies_h
+
+#include "cmCustomCommand.h"
+
+class cmake;
+class cmMakefile;
+class cmPolicy;
+
+/** \class cmPolicies
+ * \brief Handles changes in CMake behavior and policies
+ *
+ * See the cmake wiki section on
+ * <a href="http://www.cmake.org/Wiki/CMake/Policies">policies</a>
+ * for an overview of this class's purpose
+ */
+class cmPolicies
+{
+public:
+  cmPolicies();
+  ~cmPolicies();
+
+  /// Status of a policy
+  enum PolicyStatus {
+    OLD, ///< Use old behavior
+    WARN, ///< Use old behavior but issue a warning
+    NEW, ///< Use new behavior
+    /// Issue an error if user doesn't set policy status to NEW and hits the
+    /// check
+    REQUIRED_IF_USED,
+    REQUIRED_ALWAYS ///< Issue an error unless user sets policy status to NEW.
+  };
+  static const char* PolicyStatusNames[];
+
+  /// Policy identifiers
+  enum PolicyID
+  {
+    CMP0000, ///< Policy version specification
+    CMP0001, ///< Ignore old compatibility variable
+    CMP0002, ///< Target names must be unique
+    CMP0003, ///< Linking does not include extra -L paths
+    CMP0004, ///< Libraries linked may not have leading or trailing whitespace
+    CMP0005, ///< Definition value escaping
+    CMP0006, ///< BUNDLE install rules needed for MACOSX_BUNDLE targets
+    CMP0007, ///< list command handling of empty elements
+    CMP0008, ///< Full-path libraries must be a valid library file name
+    CMP0009, ///< GLOB_RECURSE should not follow symlinks by default
+    CMP0010, ///< Bad variable reference syntax is an error
+    CMP0011, ///< Strong policy scope for include and find_package
+    CMP0012, ///< Recognize numbers and boolean constants in if()
+    CMP0013, ///< Duplicate binary directories not allowed
+    CMP0014, ///< Input directories must have CMakeLists.txt
+    CMP0015, ///< link_directories() treats paths relative to source dir
+    /// target_link_libraries() fails if only argument is not a target
+    CMP0016,
+    CMP0017, ///< Prefer files in CMAKE_ROOT when including from CMAKE_ROOT
+    CMP0018, ///< Ignore language flags for shared libs, and adhere to
+    /// POSITION_INDEPENDENT_CODE property and *_COMPILE_OPTIONS_PI{E,C}
+    /// instead.
+    CMP0019, ///< No variable re-expansion in include and link info
+    CMP0020, ///< Automatically link Qt executables to qtmain target
+    CMP0021, ///< Fatal error on relative paths in INCLUDE_DIRECTORIES
+    /// target property
+
+    /** \brief Always the last entry.
+     *
+     * Useful mostly to avoid adding a comma the last policy when adding a new
+     * one.
+     */
+    CMPCOUNT
+  };
+
+  ///! convert a string policy ID into a number
+  bool GetPolicyID(const char *id, /* out */ cmPolicies::PolicyID &pid);
+  std::string GetPolicyIDString(cmPolicies::PolicyID pid);
+
+  ///! Get the default status for a policy
+  cmPolicies::PolicyStatus GetPolicyStatus(cmPolicies::PolicyID id);
+
+  ///! Define a Policy for CMake
+  void DefinePolicy(cmPolicies::PolicyID id,
+                    const char *stringID,
+                    const char *shortDescription,
+                    const char *longDescription,
+                    unsigned int majorVersionIntroduced,
+                    unsigned int minorVersionIntroduced,
+                    unsigned int patchVersionIntroduced,
+                    unsigned int tweakVersionIntroduced,
+                    cmPolicies::PolicyStatus status);
+
+  ///! Set a policy level for this listfile
+  bool ApplyPolicyVersion(cmMakefile *mf, const char *version);
+
+  ///! return a warning string for a given policy
+  std::string GetPolicyWarning(cmPolicies::PolicyID id);
+
+  ///! return an error string for when a required policy is unspecified
+  std::string GetRequiredPolicyError(cmPolicies::PolicyID id);
+
+  ///! return an error string for when a required policy is unspecified
+  std::string GetRequiredAlwaysPolicyError(cmPolicies::PolicyID id);
+
+  ///! Get docs for policies
+  void GetDocumentation(std::vector<cmDocumentationEntry>& v);
+
+  /** Represent a set of policy values.  */
+  typedef std::map<PolicyID, PolicyStatus> PolicyMap;
+
+  private:
+  // might have to make these internal for VS6 not sure yet
+  std::map<PolicyID,cmPolicy *> Policies;
+  std::map<std::string,PolicyID> PolicyStringMap;
+
+  void DiagnoseAncientPolicies(std::vector<PolicyID> const& ancient,
+                               unsigned int majorVer, unsigned int minorVer,
+                               unsigned int patchVer, cmMakefile* mf);
+
+  bool GetPolicyDefault(cmMakefile* mf, std::string const& policy,
+                        cmPolicies::PolicyStatus* defaultStatus);
+
+};
+
+#endif