ENH: just getting somethng checked in, still work to do

1 files changed, 98 insertions, 0 deletions

diff --git a/Source/cmCMakePolicyCommand.h b/Source/cmCMakePolicyCommand.h
new file mode 100644
index 0000000..19ff393
--- /dev/null
+++ b/Source/cmCMakePolicyCommand.h
@@ -0,0 +1,98 @@
+/*=========================================================================
+
+  Program:   CMake - Cross-Platform Makefile Generator
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even 
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef cmCMakePolicyCommand_h
+#define cmCMakePolicyCommand_h
+
+#include "cmCommand.h"
+
+/** \class cmCMakePolicyCommand
+ * \brief Set how CMake should handle policies
+ *
+ * cmCMakePolicyCommand sets how CMake should deal with backwards 
+ * compatibility policies.   
+ */
+class cmCMakePolicyCommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone() 
+    {
+    return new cmCMakePolicyCommand;
+    }
+
+  /**
+   * 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() { return true; }
+
+ /**
+   * The name of the command as specified in CMakeList.txt.
+   */
+  virtual const char* GetName() {return "cmake_policy";}
+  
+ /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() 
+    {
+    return "Set how CMake should handle policies.";
+    }
+  
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation()
+    {
+    return
+      "  cmake_policy(NEW id)\n"
+      "  cmake_policy(OLD id)\n"
+      "  cmake_policy(VERSION version)\n"
+      "  cmake_policy(PUSH)\n"
+      "  cmake_policy(POP)\n"
+      "The first two forms of this command sets a specified policy to "
+      "use the OLD or NEW implementation respectively. For example "
+      "if a new policy is created in CMake 2.6 then you could use "
+      "this command to tell the running CMake to use the OLD behavior "
+      "(before the change in 2.6) or the NEW behavior.\n"
+      "The third form of this command indicates that the CMake List file "
+      "has been written to the specified version of CMake and to the "
+      "policies of that version of CMake. All policies introduced in "
+      "the specified version of CMake or earlier will be set to NEW. "
+      "All policies introduced after the specified version of CMake will "
+      "be set to WARN (WARN is like OLD but also produces a warning) if "
+      "that is possible.\n"
+      "The last two forms of this command push and pop the current "
+      "handling of policies in CMake. This is useful when mixing multiple "
+      "projects that may have been written to different versions of CMake."
+      ;
+    }
+  
+  cmTypeMacro(cmCMakePolicyCommand, cmCommand);
+};
+
+
+
+#endif