/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#ifndef cmSubdirDependsCommand_h
#define cmSubdirDependsCommand_h

#include "cmCommand.h"

/** \class cmSubdirDependsCommand
 * \brief Legacy command.  Do not use.
 *
 * cmSubdirDependsCommand has been left in CMake for compatability with
 * projects already using it.  Its functionality in supporting parallel
 * builds is now automatic.  The command does not do anything.
 */
class cmSubdirDependsCommand : public cmCommand
{
public:
  /**
   * This is a virtual constructor for the command.
   */
  virtual cmCommand* Clone() 
    {
    return new cmSubdirDependsCommand;
    }

  /**
   * This is called when the command is first encountered in
   * the CMakeLists.txt file.
   */
  virtual bool InitialPass(std::vector<std::string> const& args,
                           cmExecutionStatus &status);

  /**
   * The name of the command as specified in CMakeList.txt.
   */
  virtual const char* GetName() const { return "subdir_depends";}

  /**
   * Succinct documentation.
   */
  virtual const char* GetTerseDocumentation() const
    {
    return "Deprecated.  Does nothing.";
    }
  
  /**
   * More documentation.
   */
  virtual const char* GetFullDocumentation() const
    {
    return
      "  subdir_depends(subdir dep1 dep2 ...)\n"
      "Does not do anything.  This command used to help projects order "
      "parallel builds correctly.  This functionality is now automatic.";
    }
  
  /** This command is kept for compatibility with older CMake versions. */
  virtual bool IsDiscouraged() const
    {
    return true;
    }

  cmTypeMacro(cmSubdirDependsCommand, cmCommand);
};


#endif