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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 cmSetCommand_h
#define cmSetCommand_h
#include "cmCommand.h"
/** \class cmSetCommand
* \brief Set a CMAKE variable
*
* cmSetCommand sets a variable to a value with expansion.
*/
class cmSetCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
virtual cmCommand* Clone()
{
return new cmSetCommand;
}
/**
* This is called when the command is first encountered in
* the CMakeLists.txt file.
*/
virtual bool InitialPass(std::vector<std::string> const& args);
/**
* 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 "set";}
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation()
{
return "Set a CMAKE variable to a given value.";
}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation()
{
return
" set(<variable> <value> [CACHE <type> <docstring> [FORCE]])\n"
"Within CMake sets <variable> to the value <value>. <value> is expanded"
" before <variable> is set to it. If CACHE is present, then the "
"<variable> is put in the cache. <type> and <docstring> are then "
"required. <type> is used by the CMake GUI to choose a widget with "
"which the user sets a value. The value for <type> may be one of\n"
" FILEPATH = File chooser dialog.\n"
" PATH = Directory chooser dialog.\n"
" STRING = Arbitrary string.\n"
" BOOL = Boolean ON/OFF checkbox.\n"
" INTERNAL = No GUI entry (used for persistent variables).\n"
"If <type> is INTERNAL, then the <value> is always written into the "
"cache, replacing any values existing in the cache. If it is not a "
"cache variable, then this always writes into the current makefile. The "
"FORCE option will overwrite the cache value removing any changes by "
"the user.\n"
" set(<variable> <value1> ... <valueN>)\n"
"In this case <variable> is set to a semicolon separated list of "
"values.\n"
"<variable> can be an environment variable such as:\n"
" set( ENV{PATH} /home/martink )\n"
"in which case the environment variable will be set.";
}
cmTypeMacro(cmSetCommand, cmCommand);
};
#endif
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