dtp.hpp

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//-----------------------------------------------------------------------------
// boost mpl/aux_/config/dtp.hpp header file
// See http://www.boost.org for updates, documentation, and revision history.
//-----------------------------------------------------------------------------
//
// Copyright (c) 2001-02
// Aleksey Gurtovoy
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee, 
// provided that the above copyright notice appears in all copies and 
// that both the copyright notice and this permission notice appear in 
// supporting documentation. No representations are made about the 
// suitability of this software for any purpose. It is provided "as is" 
// without express or implied warranty.

#ifndef BOOST_MPL_AUX_CONFIG_DTP_HPP_INCLUDED
#define BOOST_MPL_AUX_CONFIG_DTP_HPP_INCLUDED

#include "boost/config.hpp"

// MWCW 7.x-8.0 "losts" default template parameters of nested class 
// templates when their owner classes are passed as arguments to other 
// templates; Borland 5.5.1 "forgets" them from the very beginning (if 
// the owner class is a class template), and Borland 5.6 isn't even
// able to compile a definition of nested class template with DTP

#if    !defined(BOOST_NO_DEFAULT_TEMPLATE_PARAMETERS_IN_NESTED_TEMPLATES) \
    && !defined(BOOST_MPL_PREPROCESSING_MODE) \
    && defined(__BORLANDC__) && __BORLANDC__ >= 0x560 && \
        (__BORLANDC__ <= 0x561 || !defined(BOOST_STRICT_CONFIG))

#   define BOOST_NO_DEFAULT_TEMPLATE_PARAMETERS_IN_NESTED_TEMPLATES

#endif


#if    !defined(BOOST_BROKEN_DEFAULT_TEMPLATE_PARAMETERS_IN_NESTED_TEMPLATES) \
    && !defined(BOOST_MPL_PREPROCESSING_MODE) \
    && (   defined(__MWERKS__) && __MWERKS__ <= 0x3001 \
        || defined(__BORLANDC__) && (__BORLANDC__ <= 0x570 || !defined(BOOST_STRICT_CONFIG)) \
        || defined(BOOST_NO_DEFAULT_TEMPLATE_PARAMETERS_IN_NESTED_TEMPLATES) \
        )
        
#   define BOOST_BROKEN_DEFAULT_TEMPLATE_PARAMETERS_IN_NESTED_TEMPLATES

#endif

#endif // BOOST_MPL_AUX_CONFIG_DTP_HPP_INCLUDED