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