86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/*=========================================================================
|
|
|
|
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 cmVariableRequiresCommand_h
|
|
#define cmVariableRequiresCommand_h
|
|
|
|
#include "cmStandardIncludes.h"
|
|
#include "cmCommand.h"
|
|
|
|
/** \class cmVariableRequiresCommand
|
|
* \brief Displays a message to the user
|
|
*
|
|
*/
|
|
class cmVariableRequiresCommand : public cmCommand
|
|
{
|
|
public:
|
|
/**
|
|
* This is a virtual constructor for the command.
|
|
*/
|
|
virtual cmCommand* Clone()
|
|
{
|
|
return new cmVariableRequiresCommand;
|
|
}
|
|
|
|
/**
|
|
* This is called when the command is first encountered in
|
|
* the CMakeLists.txt file.
|
|
*/
|
|
virtual bool InitialPass(std::vector<std::string> const& args);
|
|
|
|
///!
|
|
virtual void FinalPass();
|
|
/**
|
|
* The name of the command as specified in CMakeList.txt.
|
|
*/
|
|
virtual const char* GetName() { return "VARIABLE_REQUIRES";}
|
|
|
|
/**
|
|
* Succinct documentation.
|
|
*/
|
|
virtual const char* GetTerseDocumentation()
|
|
{
|
|
return "Display an error message .";
|
|
}
|
|
|
|
/**
|
|
* More documentation.
|
|
*/
|
|
virtual const char* GetFullDocumentation()
|
|
{
|
|
return
|
|
"VARIABLE_REQUIRES(TEST_VARIABLE RESULT_VARIABLE "
|
|
"REQUIRED_VARIABLE1 REQUIRED_VARIABLE2 ...) "
|
|
"The first argument (TEST_VARIABLE) is the name of the variable to be "
|
|
"tested, if that variable is false nothing else is done. If "
|
|
"TEST_VARIABLE is true, then "
|
|
"the next arguemnt (RESULT_VARIABLE) is a vairable that is set to true "
|
|
"if all the "
|
|
"required variables are set."
|
|
"The rest of the arguments are variables that must be true or not "
|
|
"set to NOTFOUND to avoid an error. ";
|
|
}
|
|
|
|
cmTypeMacro(cmVariableRequiresCommand, cmCommand);
|
|
private:
|
|
std::string m_ErrorMessage;
|
|
std::vector<std::string> m_Arguments;
|
|
bool m_RequirementsMet;
|
|
};
|
|
|
|
|
|
#endif
|