CMake/Source/cmFindProgramCommand.h

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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
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Copyright (c) 2002 Insight Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
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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.
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=========================================================================*/
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#ifndef cmFindProgramCommand_h
#define cmFindProgramCommand_h
#include "cmStandardIncludes.h"
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#include "cmCommand.h"
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/** \class cmFindProgramCommand
* \brief Define a command to search for an executable program.
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*
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* cmFindProgramCommand is used to define a CMake variable
* that specifies an executable program. The command searches
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* in the current path (e.g., PATH environment variable) for
* an executable that matches one of the supplied names.
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*/
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class cmFindProgramCommand : public cmCommand
{
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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return new cmFindProgramCommand;
}
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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.
*/
virtual bool InitialPass(std::vector<std::string> const& args);
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/**
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* This determines if the command gets propagated down
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* to makefiles located in subdirectories.
*/
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virtual bool IsInherited() { return false; }
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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 "FIND_PROGRAM";}
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/**
* Succinct documentation.
*/
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virtual const char* GetTerseDocumentation()
{
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return "Find an executable program.";
}
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/**
* More documentation.
*/
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virtual const char* GetFullDocumentation()
{
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return
"FIND_PROGRAM(NAME executable1 extrapath extrapath ... [DOC helpstring]) "
"Find the executable in the system PATH or in any extra paths specified in the command."
"A cache entry called NAME is created to store the result. NOTFOUND is the value"
" used if the program was not found. If DOC is specified the next argument is the "
"documentation string for the cache entry NAME.";
}
cmTypeMacro(cmFindProgramCommand, cmCommand);
};
#endif