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

  Program:   CMake - Cross-Platform Makefile Generator
  Module:    $RCSfile: cmCoreTryCompile.h,v $
  Language:  C++
  Date:      $Date: 2007-05-24 15:27:51 $
  Version:   $Revision: 1.1 $

  Copyright (c) 2007 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 cmCoreTryCompile_h
#define cmCoreTryCompile_h

#include "cmCommand.h"

/** \class cmCoreTryCompile
 * \brief Base class for cmTryCompileCommand and cmTryRunCommand
 *
 * cmCoreTryCompile implements the functionality to build a program.
 * It is the base class for cmTryCompileCommand and cmTryRunCommand.
 */
class cmCoreTryCompile : public cmCommand
{
public:

  protected:
  /**
   * This is the core code for try compile. It is here so that other
   * commands, such as TryRun can access the same logic without
   * duplication. 
   */
  int TryCompileCode(std::vector<std::string> const& argv);

  /** 
   * This deletes all the files created by TryCompileCode. 
   * This way we do not have to rely on the timing and
   * dependencies of makefiles.
   */
  void CleanupFiles(const char* binDir);

  /** 
   * This tries to find the (executable) file created by 
  TryCompileCode. The result is stored in OutputFile. If nothing is found,
  the error message is stored in FindErrorMessage.
   */
  void FindOutputFile(const char* targetName);

  
  cmTypeMacro(cmCoreTryCompile, cmCommand);
  
  std::string BinaryDirectory;
  std::string OutputFile;
  std::string FindErrorMessage;
  bool SrcFileSignature;

};


#endif