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// -*- C++ -*-
//=============================================================================
/**
* @file Versioned_Namespace.h
*
* Versioned namespace support.
*
* Useful for preventing conflicts when using a third party library.
*
* @author Ossama Othman <ossama@dre.vanderbilt.edu>
*/
//=============================================================================
#ifndef TAO_VERSIONED_NAMESPACE_H
#define TAO_VERSIONED_NAMESPACE_H
#if !defined (TAO_ORBCONF_H) && !defined (ACE_CONFIG_MACROS_H)
# error This header is only meant to be included after "tao/orbconf.h".
#endif /* !TAO_ORBCONF_H */
#if !defined (TAO_HAS_VERSIONED_NAMESPACE) \
&& defined (ACE_HAS_VERSIONED_NAMESPACE) \
&& ACE_HAS_VERSIONED_NAMESPACE == 1
# define TAO_HAS_VERSIONED_NAMESPACE 1
#endif /* !TAO_HAS_VERSIONED_NAMESPACE
&& ACE_HAS_VERSIONED_NAMESPACE == 1*/
#if defined (TAO_HAS_VERSIONED_NAMESPACE) && TAO_HAS_VERSIONED_NAMESPACE == 1
# ifndef TAO_VERSIONED_NAMESPACE_NAME
# include "tao/Version.h"
// Preprocessor symbols will not be expanded if they are
// concatenated. Force the preprocessor to expand them during the
// argument prescan by calling a macro that itself calls another that
// performs the actual concatenation.
# define TAO_MAKE_VERSIONED_NAMESPACE_NAME_IMPL(MAJOR,MINOR,MICRO) TAO_ ## MAJOR ## _ ## MINOR ## _ ## MICRO
# define TAO_MAKE_VERSIONED_NAMESPACE_NAME(MAJOR,MINOR,MICRO) TAO_MAKE_VERSIONED_NAMESPACE_NAME_IMPL(MAJOR,MINOR,MICRO)
# define TAO_VERSIONED_NAMESPACE_NAME TAO_MAKE_VERSIONED_NAMESPACE_NAME(TAO_MAJOR_VERSION,TAO_MINOR_VERSION,TAO_MICRO_VERSION)
# endif /* !TAO_VERSIONED_NAMESPACE_NAME */
# define TAO_BEGIN_VERSIONED_NAMESPACE_DECL namespace TAO_VERSIONED_NAMESPACE_NAME {
# define TAO_END_VERSIONED_NAMESPACE_DECL } \
using namespace TAO_VERSIONED_NAMESPACE_NAME;
#else
# define TAO_VERSIONED_NAMESPACE_NAME
# define TAO_BEGIN_VERSIONED_NAMESPACE_DECL
# define TAO_END_VERSIONED_NAMESPACE_DECL
#endif /* TAO_HAS_VERSIONED_NAMESPACE */
#endif /* !TAO_VERSIONED_NAMESPACE_H */
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