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/*=========================================================================
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
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