1018 lines
36 KiB
Plaintext
1018 lines
36 KiB
Plaintext
// Boost config.hpp configuration header file ------------------------------//
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// boostinspect:ndprecated_macros -- tell the inspect tool to ignore this file
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// Copyright (c) 2001-2003 John Maddock
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// Copyright (c) 2001 Darin Adler
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// Copyright (c) 2001 Peter Dimov
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// Copyright (c) 2002 Bill Kempf
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// Copyright (c) 2002 Jens Maurer
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// Copyright (c) 2002-2003 David Abrahams
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// Copyright (c) 2003 Gennaro Prota
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// Copyright (c) 2003 Eric Friedman
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// Copyright (c) 2010 Eric Jourdanneau, Joel Falcou
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/ for most recent version.
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// Boost config.hpp policy and rationale documentation has been moved to
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// http://www.boost.org/libs/config/
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//
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// This file is intended to be stable, and relatively unchanging.
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// It should contain boilerplate code only - no compiler specific
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// code unless it is unavoidable - no changes unless unavoidable.
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#ifndef BOOST_CONFIG_SUFFIX_HPP
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#define BOOST_CONFIG_SUFFIX_HPP
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#if defined(__GNUC__) && (__GNUC__ >= 4)
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//
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// Some GCC-4.x versions issue warnings even when __extension__ is used,
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// so use this as a workaround:
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//
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#pragma GCC system_header
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#endif
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//
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// ensure that visibility macros are always defined, thus symplifying use
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//
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#ifndef BOOST_SYMBOL_EXPORT
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# define BOOST_SYMBOL_EXPORT
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#endif
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#ifndef BOOST_SYMBOL_IMPORT
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# define BOOST_SYMBOL_IMPORT
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#endif
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#ifndef BOOST_SYMBOL_VISIBLE
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# define BOOST_SYMBOL_VISIBLE
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#endif
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//
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// look for long long by looking for the appropriate macros in <limits.h>.
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// Note that we use limits.h rather than climits for maximal portability,
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// remember that since these just declare a bunch of macros, there should be
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// no namespace issues from this.
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//
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#if !defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_LONG_LONG) \
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&& !defined(BOOST_MSVC) && !defined(__BORLANDC__)
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# include <limits.h>
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# if (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX))
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# define BOOST_HAS_LONG_LONG
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# else
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# define BOOST_NO_LONG_LONG
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# endif
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#endif
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// GCC 3.x will clean up all of those nasty macro definitions that
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// BOOST_NO_CTYPE_FUNCTIONS is intended to help work around, so undefine
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// it under GCC 3.x.
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#if defined(__GNUC__) && (__GNUC__ >= 3) && defined(BOOST_NO_CTYPE_FUNCTIONS)
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# undef BOOST_NO_CTYPE_FUNCTIONS
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#endif
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//
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// Assume any extensions are in namespace std:: unless stated otherwise:
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//
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# ifndef BOOST_STD_EXTENSION_NAMESPACE
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# define BOOST_STD_EXTENSION_NAMESPACE std
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# endif
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//
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// If cv-qualified specializations are not allowed, then neither are cv-void ones:
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//
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# if defined(BOOST_NO_CV_SPECIALIZATIONS) \
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&& !defined(BOOST_NO_CV_VOID_SPECIALIZATIONS)
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# define BOOST_NO_CV_VOID_SPECIALIZATIONS
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# endif
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//
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// If there is no numeric_limits template, then it can't have any compile time
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// constants either!
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//
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# if defined(BOOST_NO_LIMITS) \
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&& !defined(BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS)
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# define BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
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# define BOOST_NO_MS_INT64_NUMERIC_LIMITS
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# define BOOST_NO_LONG_LONG_NUMERIC_LIMITS
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# endif
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//
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// if there is no long long then there is no specialisation
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// for numeric_limits<long long> either:
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//
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#if !defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_LONG_LONG_NUMERIC_LIMITS)
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# define BOOST_NO_LONG_LONG_NUMERIC_LIMITS
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#endif
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//
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// if there is no __int64 then there is no specialisation
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// for numeric_limits<__int64> either:
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//
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#if !defined(BOOST_HAS_MS_INT64) && !defined(BOOST_NO_MS_INT64_NUMERIC_LIMITS)
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# define BOOST_NO_MS_INT64_NUMERIC_LIMITS
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#endif
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//
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// if member templates are supported then so is the
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// VC6 subset of member templates:
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//
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# if !defined(BOOST_NO_MEMBER_TEMPLATES) \
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&& !defined(BOOST_MSVC6_MEMBER_TEMPLATES)
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# define BOOST_MSVC6_MEMBER_TEMPLATES
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# endif
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//
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// Without partial specialization, can't test for partial specialisation bugs:
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//
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# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
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&& !defined(BOOST_BCB_PARTIAL_SPECIALIZATION_BUG)
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# define BOOST_BCB_PARTIAL_SPECIALIZATION_BUG
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# endif
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//
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// Without partial specialization, we can't have array-type partial specialisations:
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//
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# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
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&& !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
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# define BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS
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# endif
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//
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// Without partial specialization, std::iterator_traits can't work:
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//
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# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
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&& !defined(BOOST_NO_STD_ITERATOR_TRAITS)
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# define BOOST_NO_STD_ITERATOR_TRAITS
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# endif
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//
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// Without partial specialization, partial
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// specialization with default args won't work either:
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//
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# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
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&& !defined(BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS)
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# define BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS
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# endif
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//
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// Without member template support, we can't have template constructors
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// in the standard library either:
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//
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# if defined(BOOST_NO_MEMBER_TEMPLATES) \
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&& !defined(BOOST_MSVC6_MEMBER_TEMPLATES) \
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&& !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)
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# define BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
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# endif
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//
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// Without member template support, we can't have a conforming
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// std::allocator template either:
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//
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# if defined(BOOST_NO_MEMBER_TEMPLATES) \
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&& !defined(BOOST_MSVC6_MEMBER_TEMPLATES) \
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&& !defined(BOOST_NO_STD_ALLOCATOR)
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# define BOOST_NO_STD_ALLOCATOR
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# endif
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//
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// without ADL support then using declarations will break ADL as well:
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//
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#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) && !defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL)
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# define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL
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#endif
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//
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// Without typeid support we have no dynamic RTTI either:
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//
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#if defined(BOOST_NO_TYPEID) && !defined(BOOST_NO_RTTI)
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# define BOOST_NO_RTTI
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#endif
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//
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// If we have a standard allocator, then we have a partial one as well:
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//
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#if !defined(BOOST_NO_STD_ALLOCATOR)
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# define BOOST_HAS_PARTIAL_STD_ALLOCATOR
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#endif
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//
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// We can't have a working std::use_facet if there is no std::locale:
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//
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# if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_USE_FACET)
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# define BOOST_NO_STD_USE_FACET
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# endif
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//
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// We can't have a std::messages facet if there is no std::locale:
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//
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# if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_MESSAGES)
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# define BOOST_NO_STD_MESSAGES
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# endif
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//
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// We can't have a working std::wstreambuf if there is no std::locale:
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//
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# if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_WSTREAMBUF)
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# define BOOST_NO_STD_WSTREAMBUF
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# endif
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//
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// We can't have a <cwctype> if there is no <cwchar>:
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//
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# if defined(BOOST_NO_CWCHAR) && !defined(BOOST_NO_CWCTYPE)
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# define BOOST_NO_CWCTYPE
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# endif
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//
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// We can't have a swprintf if there is no <cwchar>:
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//
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# if defined(BOOST_NO_CWCHAR) && !defined(BOOST_NO_SWPRINTF)
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# define BOOST_NO_SWPRINTF
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# endif
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//
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// If Win32 support is turned off, then we must turn off
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// threading support also, unless there is some other
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// thread API enabled:
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//
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#if defined(BOOST_DISABLE_WIN32) && defined(_WIN32) \
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&& !defined(BOOST_DISABLE_THREADS) && !defined(BOOST_HAS_PTHREADS)
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# define BOOST_DISABLE_THREADS
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#endif
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//
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// Turn on threading support if the compiler thinks that it's in
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// multithreaded mode. We put this here because there are only a
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// limited number of macros that identify this (if there's any missing
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// from here then add to the appropriate compiler section):
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//
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#if (defined(__MT__) || defined(_MT) || defined(_REENTRANT) \
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|| defined(_PTHREADS) || defined(__APPLE__) || defined(__DragonFly__)) \
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&& !defined(BOOST_HAS_THREADS)
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# define BOOST_HAS_THREADS
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#endif
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//
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// Turn threading support off if BOOST_DISABLE_THREADS is defined:
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//
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#if defined(BOOST_DISABLE_THREADS) && defined(BOOST_HAS_THREADS)
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# undef BOOST_HAS_THREADS
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#endif
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//
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// Turn threading support off if we don't recognise the threading API:
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//
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#if defined(BOOST_HAS_THREADS) && !defined(BOOST_HAS_PTHREADS)\
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&& !defined(BOOST_HAS_WINTHREADS) && !defined(BOOST_HAS_BETHREADS)\
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&& !defined(BOOST_HAS_MPTASKS)
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# undef BOOST_HAS_THREADS
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#endif
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//
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// Turn threading detail macros off if we don't (want to) use threading
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//
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#ifndef BOOST_HAS_THREADS
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# undef BOOST_HAS_PTHREADS
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# undef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
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# undef BOOST_HAS_PTHREAD_YIELD
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# undef BOOST_HAS_PTHREAD_DELAY_NP
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# undef BOOST_HAS_WINTHREADS
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# undef BOOST_HAS_BETHREADS
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# undef BOOST_HAS_MPTASKS
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#endif
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//
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// If the compiler claims to be C99 conformant, then it had better
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// have a <stdint.h>:
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//
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# if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901)
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# define BOOST_HAS_STDINT_H
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# ifndef BOOST_HAS_LOG1P
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# define BOOST_HAS_LOG1P
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# endif
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# ifndef BOOST_HAS_EXPM1
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# define BOOST_HAS_EXPM1
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# endif
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# endif
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//
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// Define BOOST_NO_SLIST and BOOST_NO_HASH if required.
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// Note that this is for backwards compatibility only.
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//
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# if !defined(BOOST_HAS_SLIST) && !defined(BOOST_NO_SLIST)
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# define BOOST_NO_SLIST
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# endif
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# if !defined(BOOST_HAS_HASH) && !defined(BOOST_NO_HASH)
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# define BOOST_NO_HASH
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# endif
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//
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// Set BOOST_SLIST_HEADER if not set already:
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//
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#if defined(BOOST_HAS_SLIST) && !defined(BOOST_SLIST_HEADER)
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# define BOOST_SLIST_HEADER <slist>
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#endif
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//
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// Set BOOST_HASH_SET_HEADER if not set already:
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//
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#if defined(BOOST_HAS_HASH) && !defined(BOOST_HASH_SET_HEADER)
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# define BOOST_HASH_SET_HEADER <hash_set>
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#endif
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//
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// Set BOOST_HASH_MAP_HEADER if not set already:
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//
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#if defined(BOOST_HAS_HASH) && !defined(BOOST_HASH_MAP_HEADER)
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# define BOOST_HASH_MAP_HEADER <hash_map>
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#endif
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// BOOST_HAS_ABI_HEADERS
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// This macro gets set if we have headers that fix the ABI,
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// and prevent ODR violations when linking to external libraries:
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#if defined(BOOST_ABI_PREFIX) && defined(BOOST_ABI_SUFFIX) && !defined(BOOST_HAS_ABI_HEADERS)
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# define BOOST_HAS_ABI_HEADERS
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#endif
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#if defined(BOOST_HAS_ABI_HEADERS) && defined(BOOST_DISABLE_ABI_HEADERS)
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# undef BOOST_HAS_ABI_HEADERS
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#endif
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// BOOST_NO_STDC_NAMESPACE workaround --------------------------------------//
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// Because std::size_t usage is so common, even in boost headers which do not
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// otherwise use the C library, the <cstddef> workaround is included here so
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// that ugly workaround code need not appear in many other boost headers.
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// NOTE WELL: This is a workaround for non-conforming compilers; <cstddef>
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// must still be #included in the usual places so that <cstddef> inclusion
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// works as expected with standard conforming compilers. The resulting
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// double inclusion of <cstddef> is harmless.
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# if defined(BOOST_NO_STDC_NAMESPACE) && defined(__cplusplus)
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# include <cstddef>
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namespace std { using ::ptrdiff_t; using ::size_t; }
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# endif
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// Workaround for the unfortunate min/max macros defined by some platform headers
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#define BOOST_PREVENT_MACRO_SUBSTITUTION
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#ifndef BOOST_USING_STD_MIN
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# define BOOST_USING_STD_MIN() using std::min
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#endif
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#ifndef BOOST_USING_STD_MAX
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# define BOOST_USING_STD_MAX() using std::max
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#endif
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// BOOST_NO_STD_MIN_MAX workaround -----------------------------------------//
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# if defined(BOOST_NO_STD_MIN_MAX) && defined(__cplusplus)
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namespace std {
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template <class _Tp>
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inline const _Tp& min BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) {
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return __b < __a ? __b : __a;
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}
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template <class _Tp>
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inline const _Tp& max BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) {
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return __a < __b ? __b : __a;
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}
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}
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# endif
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// BOOST_STATIC_CONSTANT workaround --------------------------------------- //
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// On compilers which don't allow in-class initialization of static integral
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// constant members, we must use enums as a workaround if we want the constants
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// to be available at compile-time. This macro gives us a convenient way to
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// declare such constants.
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# ifdef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
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# define BOOST_STATIC_CONSTANT(type, assignment) enum { assignment }
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# else
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# define BOOST_STATIC_CONSTANT(type, assignment) static const type assignment
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# endif
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// BOOST_USE_FACET / HAS_FACET workaround ----------------------------------//
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// When the standard library does not have a conforming std::use_facet there
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// are various workarounds available, but they differ from library to library.
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// The same problem occurs with has_facet.
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// These macros provide a consistent way to access a locale's facets.
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// Usage:
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// replace
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// std::use_facet<Type>(loc);
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// with
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// BOOST_USE_FACET(Type, loc);
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// Note do not add a std:: prefix to the front of BOOST_USE_FACET!
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// Use for BOOST_HAS_FACET is analogous.
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#if defined(BOOST_NO_STD_USE_FACET)
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# ifdef BOOST_HAS_TWO_ARG_USE_FACET
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# define BOOST_USE_FACET(Type, loc) std::use_facet(loc, static_cast<Type*>(0))
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# define BOOST_HAS_FACET(Type, loc) std::has_facet(loc, static_cast<Type*>(0))
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# elif defined(BOOST_HAS_MACRO_USE_FACET)
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# define BOOST_USE_FACET(Type, loc) std::_USE(loc, Type)
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# define BOOST_HAS_FACET(Type, loc) std::_HAS(loc, Type)
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# elif defined(BOOST_HAS_STLP_USE_FACET)
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# define BOOST_USE_FACET(Type, loc) (*std::_Use_facet<Type >(loc))
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# define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc)
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# endif
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#else
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# define BOOST_USE_FACET(Type, loc) std::use_facet< Type >(loc)
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# define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc)
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#endif
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// BOOST_NESTED_TEMPLATE workaround ------------------------------------------//
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// Member templates are supported by some compilers even though they can't use
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// the A::template member<U> syntax, as a workaround replace:
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//
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// typedef typename A::template rebind<U> binder;
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//
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// with:
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//
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// typedef typename A::BOOST_NESTED_TEMPLATE rebind<U> binder;
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#ifndef BOOST_NO_MEMBER_TEMPLATE_KEYWORD
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# define BOOST_NESTED_TEMPLATE template
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#else
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# define BOOST_NESTED_TEMPLATE
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#endif
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// BOOST_UNREACHABLE_RETURN(x) workaround -------------------------------------//
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// Normally evaluates to nothing, unless BOOST_NO_UNREACHABLE_RETURN_DETECTION
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// is defined, in which case it evaluates to return x; Use when you have a return
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// statement that can never be reached.
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#ifndef BOOST_UNREACHABLE_RETURN
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# ifdef BOOST_NO_UNREACHABLE_RETURN_DETECTION
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# define BOOST_UNREACHABLE_RETURN(x) return x;
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# else
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# define BOOST_UNREACHABLE_RETURN(x)
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# endif
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#endif
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// BOOST_DEDUCED_TYPENAME workaround ------------------------------------------//
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//
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// Some compilers don't support the use of `typename' for dependent
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// types in deduced contexts, e.g.
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//
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// template <class T> void f(T, typename T::type);
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// ^^^^^^^^
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// Replace these declarations with:
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//
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// template <class T> void f(T, BOOST_DEDUCED_TYPENAME T::type);
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#ifndef BOOST_NO_DEDUCED_TYPENAME
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# define BOOST_DEDUCED_TYPENAME typename
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#else
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# define BOOST_DEDUCED_TYPENAME
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#endif
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#ifndef BOOST_NO_TYPENAME_WITH_CTOR
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# define BOOST_CTOR_TYPENAME typename
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#else
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# define BOOST_CTOR_TYPENAME
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#endif
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// long long workaround ------------------------------------------//
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|
// On gcc (and maybe other compilers?) long long is alway supported
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// but it's use may generate either warnings (with -ansi), or errors
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// (with -pedantic -ansi) unless it's use is prefixed by __extension__
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//
|
|
#if defined(BOOST_HAS_LONG_LONG) && defined(__cplusplus)
|
|
namespace boost{
|
|
# ifdef __GNUC__
|
|
__extension__ typedef long long long_long_type;
|
|
__extension__ typedef unsigned long long ulong_long_type;
|
|
# else
|
|
typedef long long long_long_type;
|
|
typedef unsigned long long ulong_long_type;
|
|
# endif
|
|
}
|
|
#endif
|
|
// same again for __int128:
|
|
#if defined(BOOST_HAS_INT128) && defined(__cplusplus)
|
|
namespace boost{
|
|
# ifdef __GNUC__
|
|
__extension__ typedef __int128 int128_type;
|
|
__extension__ typedef unsigned __int128 uint128_type;
|
|
# else
|
|
typedef __int128 int128_type;
|
|
typedef unsigned __int128 uint128_type;
|
|
# endif
|
|
}
|
|
#endif
|
|
// same again for __float128:
|
|
#if defined(BOOST_HAS_FLOAT128) && defined(__cplusplus)
|
|
namespace boost {
|
|
# ifdef __GNUC__
|
|
__extension__ typedef __float128 float128_type;
|
|
# else
|
|
typedef __float128 float128_type;
|
|
# endif
|
|
}
|
|
#endif
|
|
|
|
// BOOST_[APPEND_]EXPLICIT_TEMPLATE_[NON_]TYPE macros --------------------------//
|
|
|
|
// These macros are obsolete. Port away and remove.
|
|
|
|
# define BOOST_EXPLICIT_TEMPLATE_TYPE(t)
|
|
# define BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t)
|
|
# define BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v)
|
|
# define BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)
|
|
|
|
# define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(t)
|
|
# define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t)
|
|
# define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v)
|
|
# define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)
|
|
|
|
// When BOOST_NO_STD_TYPEINFO is defined, we can just import
|
|
// the global definition into std namespace:
|
|
#if defined(BOOST_NO_STD_TYPEINFO) && defined(__cplusplus)
|
|
#include <typeinfo>
|
|
namespace std{ using ::type_info; }
|
|
#endif
|
|
|
|
// ---------------------------------------------------------------------------//
|
|
|
|
//
|
|
// Helper macro BOOST_STRINGIZE:
|
|
// Converts the parameter X to a string after macro replacement
|
|
// on X has been performed.
|
|
//
|
|
#define BOOST_STRINGIZE(X) BOOST_DO_STRINGIZE(X)
|
|
#define BOOST_DO_STRINGIZE(X) #X
|
|
|
|
//
|
|
// Helper macro BOOST_JOIN:
|
|
// The following piece of macro magic joins the two
|
|
// arguments together, even when one of the arguments is
|
|
// itself a macro (see 16.3.1 in C++ standard). The key
|
|
// is that macro expansion of macro arguments does not
|
|
// occur in BOOST_DO_JOIN2 but does in BOOST_DO_JOIN.
|
|
//
|
|
#define BOOST_JOIN( X, Y ) BOOST_DO_JOIN( X, Y )
|
|
#define BOOST_DO_JOIN( X, Y ) BOOST_DO_JOIN2(X,Y)
|
|
#define BOOST_DO_JOIN2( X, Y ) X##Y
|
|
|
|
//
|
|
// Set some default values for compiler/library/platform names.
|
|
// These are for debugging config setup only:
|
|
//
|
|
# ifndef BOOST_COMPILER
|
|
# define BOOST_COMPILER "Unknown ISO C++ Compiler"
|
|
# endif
|
|
# ifndef BOOST_STDLIB
|
|
# define BOOST_STDLIB "Unknown ISO standard library"
|
|
# endif
|
|
# ifndef BOOST_PLATFORM
|
|
# if defined(unix) || defined(__unix) || defined(_XOPEN_SOURCE) \
|
|
|| defined(_POSIX_SOURCE)
|
|
# define BOOST_PLATFORM "Generic Unix"
|
|
# else
|
|
# define BOOST_PLATFORM "Unknown"
|
|
# endif
|
|
# endif
|
|
|
|
//
|
|
// Set some default values GPU support
|
|
//
|
|
# ifndef BOOST_GPU_ENABLED
|
|
# define BOOST_GPU_ENABLED
|
|
# endif
|
|
|
|
// BOOST_FORCEINLINE ---------------------------------------------//
|
|
// Macro to use in place of 'inline' to force a function to be inline
|
|
#if !defined(BOOST_FORCEINLINE)
|
|
# if defined(_MSC_VER)
|
|
# define BOOST_FORCEINLINE __forceinline
|
|
# elif defined(__GNUC__) && __GNUC__ > 3
|
|
// Clang also defines __GNUC__ (as 4)
|
|
# define BOOST_FORCEINLINE inline __attribute__ ((__always_inline__))
|
|
# else
|
|
# define BOOST_FORCEINLINE inline
|
|
# endif
|
|
#endif
|
|
|
|
// BOOST_NOINLINE ---------------------------------------------//
|
|
// Macro to use in place of 'inline' to prevent a function to be inlined
|
|
#if !defined(BOOST_NOINLINE)
|
|
# if defined(_MSC_VER)
|
|
# define BOOST_NOINLINE __declspec(noinline)
|
|
# elif defined(__GNUC__) && __GNUC__ > 3
|
|
// Clang also defines __GNUC__ (as 4)
|
|
# if defined(__CUDACC__)
|
|
// nvcc doesn't always parse __noinline__,
|
|
// see: https://svn.boost.org/trac/boost/ticket/9392
|
|
# define BOOST_NOINLINE __attribute__ ((noinline))
|
|
# else
|
|
# define BOOST_NOINLINE __attribute__ ((__noinline__))
|
|
# endif
|
|
# else
|
|
# define BOOST_NOINLINE
|
|
# endif
|
|
#endif
|
|
|
|
// BOOST_NORETURN ---------------------------------------------//
|
|
// Macro to use before a function declaration/definition to designate
|
|
// the function as not returning normally (i.e. with a return statement
|
|
// or by leaving the function scope, if the function return type is void).
|
|
#if !defined(BOOST_NORETURN)
|
|
# if defined(_MSC_VER)
|
|
# define BOOST_NORETURN __declspec(noreturn)
|
|
# elif defined(__GNUC__)
|
|
# define BOOST_NORETURN __attribute__ ((__noreturn__))
|
|
# elif defined(__has_attribute) && defined(__SUNPRO_CC)
|
|
# if __has_attribute(noreturn)
|
|
# define BOOST_NORETURN [[noreturn]]
|
|
# endif
|
|
# elif defined(__has_cpp_attribute)
|
|
# if __has_cpp_attribute(noreturn)
|
|
# define BOOST_NORETURN [[noreturn]]
|
|
# endif
|
|
# endif
|
|
#endif
|
|
|
|
#if !defined(BOOST_NORETURN)
|
|
# define BOOST_NO_NORETURN
|
|
# define BOOST_NORETURN
|
|
#endif
|
|
|
|
// Branch prediction hints
|
|
// These macros are intended to wrap conditional expressions that yield true or false
|
|
//
|
|
// if (BOOST_LIKELY(var == 10))
|
|
// {
|
|
// // the most probable code here
|
|
// }
|
|
//
|
|
#if !defined(BOOST_LIKELY)
|
|
# define BOOST_LIKELY(x) x
|
|
#endif
|
|
#if !defined(BOOST_UNLIKELY)
|
|
# define BOOST_UNLIKELY(x) x
|
|
#endif
|
|
|
|
// Type and data alignment specification
|
|
//
|
|
#if !defined(BOOST_NO_CXX11_ALIGNAS)
|
|
# define BOOST_ALIGNMENT(x) alignas(x)
|
|
#elif defined(_MSC_VER)
|
|
# define BOOST_ALIGNMENT(x) __declspec(align(x))
|
|
#elif defined(__GNUC__)
|
|
# define BOOST_ALIGNMENT(x) __attribute__ ((__aligned__(x)))
|
|
#else
|
|
# define BOOST_NO_ALIGNMENT
|
|
# define BOOST_ALIGNMENT(x)
|
|
#endif
|
|
|
|
// Lack of non-public defaulted functions is implied by the lack of any defaulted functions
|
|
#if !defined(BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS) && defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS)
|
|
# define BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS
|
|
#endif
|
|
|
|
// Defaulted and deleted function declaration helpers
|
|
// These macros are intended to be inside a class definition.
|
|
// BOOST_DEFAULTED_FUNCTION accepts the function declaration and its
|
|
// body, which will be used if the compiler doesn't support defaulted functions.
|
|
// BOOST_DELETED_FUNCTION only accepts the function declaration. It
|
|
// will expand to a private function declaration, if the compiler doesn't support
|
|
// deleted functions. Because of this it is recommended to use BOOST_DELETED_FUNCTION
|
|
// in the end of the class definition.
|
|
//
|
|
// class my_class
|
|
// {
|
|
// public:
|
|
// // Default-constructible
|
|
// BOOST_DEFAULTED_FUNCTION(my_class(), {})
|
|
// // Copying prohibited
|
|
// BOOST_DELETED_FUNCTION(my_class(my_class const&))
|
|
// BOOST_DELETED_FUNCTION(my_class& operator= (my_class const&))
|
|
// };
|
|
//
|
|
#if !(defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) || defined(BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS))
|
|
# define BOOST_DEFAULTED_FUNCTION(fun, body) fun = default;
|
|
#else
|
|
# define BOOST_DEFAULTED_FUNCTION(fun, body) fun body
|
|
#endif
|
|
|
|
#if !defined(BOOST_NO_CXX11_DELETED_FUNCTIONS)
|
|
# define BOOST_DELETED_FUNCTION(fun) fun = delete;
|
|
#else
|
|
# define BOOST_DELETED_FUNCTION(fun) private: fun;
|
|
#endif
|
|
|
|
//
|
|
// Set BOOST_NO_DECLTYPE_N3276 when BOOST_NO_DECLTYPE is defined
|
|
//
|
|
#if defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_CXX11_DECLTYPE_N3276)
|
|
#define BOOST_NO_CXX11_DECLTYPE_N3276 BOOST_NO_CXX11_DECLTYPE
|
|
#endif
|
|
|
|
// -------------------- Deprecated macros for 1.50 ---------------------------
|
|
// These will go away in a future release
|
|
|
|
// Use BOOST_NO_CXX11_HDR_UNORDERED_SET or BOOST_NO_CXX11_HDR_UNORDERED_MAP
|
|
// instead of BOOST_NO_STD_UNORDERED
|
|
#if defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP) || defined (BOOST_NO_CXX11_HDR_UNORDERED_SET)
|
|
# ifndef BOOST_NO_CXX11_STD_UNORDERED
|
|
# define BOOST_NO_CXX11_STD_UNORDERED
|
|
# endif
|
|
#endif
|
|
|
|
// Use BOOST_NO_CXX11_HDR_INITIALIZER_LIST instead of BOOST_NO_INITIALIZER_LISTS
|
|
#if defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) && !defined(BOOST_NO_INITIALIZER_LISTS)
|
|
# define BOOST_NO_INITIALIZER_LISTS
|
|
#endif
|
|
|
|
// Use BOOST_NO_CXX11_HDR_ARRAY instead of BOOST_NO_0X_HDR_ARRAY
|
|
#if defined(BOOST_NO_CXX11_HDR_ARRAY) && !defined(BOOST_NO_0X_HDR_ARRAY)
|
|
# define BOOST_NO_0X_HDR_ARRAY
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_CHRONO instead of BOOST_NO_0X_HDR_CHRONO
|
|
#if defined(BOOST_NO_CXX11_HDR_CHRONO) && !defined(BOOST_NO_0X_HDR_CHRONO)
|
|
# define BOOST_NO_0X_HDR_CHRONO
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_CODECVT instead of BOOST_NO_0X_HDR_CODECVT
|
|
#if defined(BOOST_NO_CXX11_HDR_CODECVT) && !defined(BOOST_NO_0X_HDR_CODECVT)
|
|
# define BOOST_NO_0X_HDR_CODECVT
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_CONDITION_VARIABLE instead of BOOST_NO_0X_HDR_CONDITION_VARIABLE
|
|
#if defined(BOOST_NO_CXX11_HDR_CONDITION_VARIABLE) && !defined(BOOST_NO_0X_HDR_CONDITION_VARIABLE)
|
|
# define BOOST_NO_0X_HDR_CONDITION_VARIABLE
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_FORWARD_LIST instead of BOOST_NO_0X_HDR_FORWARD_LIST
|
|
#if defined(BOOST_NO_CXX11_HDR_FORWARD_LIST) && !defined(BOOST_NO_0X_HDR_FORWARD_LIST)
|
|
# define BOOST_NO_0X_HDR_FORWARD_LIST
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_FUTURE instead of BOOST_NO_0X_HDR_FUTURE
|
|
#if defined(BOOST_NO_CXX11_HDR_FUTURE) && !defined(BOOST_NO_0X_HDR_FUTURE)
|
|
# define BOOST_NO_0X_HDR_FUTURE
|
|
#endif
|
|
|
|
// Use BOOST_NO_CXX11_HDR_INITIALIZER_LIST
|
|
// instead of BOOST_NO_0X_HDR_INITIALIZER_LIST or BOOST_NO_INITIALIZER_LISTS
|
|
#ifdef BOOST_NO_CXX11_HDR_INITIALIZER_LIST
|
|
# ifndef BOOST_NO_0X_HDR_INITIALIZER_LIST
|
|
# define BOOST_NO_0X_HDR_INITIALIZER_LIST
|
|
# endif
|
|
# ifndef BOOST_NO_INITIALIZER_LISTS
|
|
# define BOOST_NO_INITIALIZER_LISTS
|
|
# endif
|
|
#endif
|
|
|
|
// Use BOOST_NO_CXX11_HDR_MUTEX instead of BOOST_NO_0X_HDR_MUTEX
|
|
#if defined(BOOST_NO_CXX11_HDR_MUTEX) && !defined(BOOST_NO_0X_HDR_MUTEX)
|
|
# define BOOST_NO_0X_HDR_MUTEX
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_RANDOM instead of BOOST_NO_0X_HDR_RANDOM
|
|
#if defined(BOOST_NO_CXX11_HDR_RANDOM) && !defined(BOOST_NO_0X_HDR_RANDOM)
|
|
# define BOOST_NO_0X_HDR_RANDOM
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_RATIO instead of BOOST_NO_0X_HDR_RATIO
|
|
#if defined(BOOST_NO_CXX11_HDR_RATIO) && !defined(BOOST_NO_0X_HDR_RATIO)
|
|
# define BOOST_NO_0X_HDR_RATIO
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_REGEX instead of BOOST_NO_0X_HDR_REGEX
|
|
#if defined(BOOST_NO_CXX11_HDR_REGEX) && !defined(BOOST_NO_0X_HDR_REGEX)
|
|
# define BOOST_NO_0X_HDR_REGEX
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_SYSTEM_ERROR instead of BOOST_NO_0X_HDR_SYSTEM_ERROR
|
|
#if defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR) && !defined(BOOST_NO_0X_HDR_SYSTEM_ERROR)
|
|
# define BOOST_NO_0X_HDR_SYSTEM_ERROR
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_THREAD instead of BOOST_NO_0X_HDR_THREAD
|
|
#if defined(BOOST_NO_CXX11_HDR_THREAD) && !defined(BOOST_NO_0X_HDR_THREAD)
|
|
# define BOOST_NO_0X_HDR_THREAD
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_TUPLE instead of BOOST_NO_0X_HDR_TUPLE
|
|
#if defined(BOOST_NO_CXX11_HDR_TUPLE) && !defined(BOOST_NO_0X_HDR_TUPLE)
|
|
# define BOOST_NO_0X_HDR_TUPLE
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_TYPE_TRAITS instead of BOOST_NO_0X_HDR_TYPE_TRAITS
|
|
#if defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS) && !defined(BOOST_NO_0X_HDR_TYPE_TRAITS)
|
|
# define BOOST_NO_0X_HDR_TYPE_TRAITS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_TYPEINDEX instead of BOOST_NO_0X_HDR_TYPEINDEX
|
|
#if defined(BOOST_NO_CXX11_HDR_TYPEINDEX) && !defined(BOOST_NO_0X_HDR_TYPEINDEX)
|
|
# define BOOST_NO_0X_HDR_TYPEINDEX
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_UNORDERED_MAP instead of BOOST_NO_0X_HDR_UNORDERED_MAP
|
|
#if defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP) && !defined(BOOST_NO_0X_HDR_UNORDERED_MAP)
|
|
# define BOOST_NO_0X_HDR_UNORDERED_MAP
|
|
#endif
|
|
// Use BOOST_NO_CXX11_HDR_UNORDERED_SET instead of BOOST_NO_0X_HDR_UNORDERED_SET
|
|
#if defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) && !defined(BOOST_NO_0X_HDR_UNORDERED_SET)
|
|
# define BOOST_NO_0X_HDR_UNORDERED_SET
|
|
#endif
|
|
|
|
// ------------------ End of deprecated macros for 1.50 ---------------------------
|
|
|
|
// -------------------- Deprecated macros for 1.51 ---------------------------
|
|
// These will go away in a future release
|
|
|
|
// Use BOOST_NO_CXX11_AUTO_DECLARATIONS instead of BOOST_NO_AUTO_DECLARATIONS
|
|
#if defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && !defined(BOOST_NO_AUTO_DECLARATIONS)
|
|
# define BOOST_NO_AUTO_DECLARATIONS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS instead of BOOST_NO_AUTO_MULTIDECLARATIONS
|
|
#if defined(BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS) && !defined(BOOST_NO_AUTO_MULTIDECLARATIONS)
|
|
# define BOOST_NO_AUTO_MULTIDECLARATIONS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_CHAR16_T instead of BOOST_NO_CHAR16_T
|
|
#if defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CHAR16_T)
|
|
# define BOOST_NO_CHAR16_T
|
|
#endif
|
|
// Use BOOST_NO_CXX11_CHAR32_T instead of BOOST_NO_CHAR32_T
|
|
#if defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CHAR32_T)
|
|
# define BOOST_NO_CHAR32_T
|
|
#endif
|
|
// Use BOOST_NO_CXX11_TEMPLATE_ALIASES instead of BOOST_NO_TEMPLATE_ALIASES
|
|
#if defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) && !defined(BOOST_NO_TEMPLATE_ALIASES)
|
|
# define BOOST_NO_TEMPLATE_ALIASES
|
|
#endif
|
|
// Use BOOST_NO_CXX11_CONSTEXPR instead of BOOST_NO_CONSTEXPR
|
|
#if defined(BOOST_NO_CXX11_CONSTEXPR) && !defined(BOOST_NO_CONSTEXPR)
|
|
# define BOOST_NO_CONSTEXPR
|
|
#endif
|
|
// Use BOOST_NO_CXX11_DECLTYPE_N3276 instead of BOOST_NO_DECLTYPE_N3276
|
|
#if defined(BOOST_NO_CXX11_DECLTYPE_N3276) && !defined(BOOST_NO_DECLTYPE_N3276)
|
|
# define BOOST_NO_DECLTYPE_N3276
|
|
#endif
|
|
// Use BOOST_NO_CXX11_DECLTYPE instead of BOOST_NO_DECLTYPE
|
|
#if defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_DECLTYPE)
|
|
# define BOOST_NO_DECLTYPE
|
|
#endif
|
|
// Use BOOST_NO_CXX11_DEFAULTED_FUNCTIONS instead of BOOST_NO_DEFAULTED_FUNCTIONS
|
|
#if defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) && !defined(BOOST_NO_DEFAULTED_FUNCTIONS)
|
|
# define BOOST_NO_DEFAULTED_FUNCTIONS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_DELETED_FUNCTIONS instead of BOOST_NO_DELETED_FUNCTIONS
|
|
#if defined(BOOST_NO_CXX11_DELETED_FUNCTIONS) && !defined(BOOST_NO_DELETED_FUNCTIONS)
|
|
# define BOOST_NO_DELETED_FUNCTIONS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS instead of BOOST_NO_EXPLICIT_CONVERSION_OPERATORS
|
|
#if defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS) && !defined(BOOST_NO_EXPLICIT_CONVERSION_OPERATORS)
|
|
# define BOOST_NO_EXPLICIT_CONVERSION_OPERATORS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_EXTERN_TEMPLATE instead of BOOST_NO_EXTERN_TEMPLATE
|
|
#if defined(BOOST_NO_CXX11_EXTERN_TEMPLATE) && !defined(BOOST_NO_EXTERN_TEMPLATE)
|
|
# define BOOST_NO_EXTERN_TEMPLATE
|
|
#endif
|
|
// Use BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS instead of BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS
|
|
#if defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS) && !defined(BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS)
|
|
# define BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_LAMBDAS instead of BOOST_NO_LAMBDAS
|
|
#if defined(BOOST_NO_CXX11_LAMBDAS) && !defined(BOOST_NO_LAMBDAS)
|
|
# define BOOST_NO_LAMBDAS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS instead of BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS
|
|
#if defined(BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS) && !defined(BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS)
|
|
# define BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_NOEXCEPT instead of BOOST_NO_NOEXCEPT
|
|
#if defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_NOEXCEPT)
|
|
# define BOOST_NO_NOEXCEPT
|
|
#endif
|
|
// Use BOOST_NO_CXX11_NULLPTR instead of BOOST_NO_NULLPTR
|
|
#if defined(BOOST_NO_CXX11_NULLPTR) && !defined(BOOST_NO_NULLPTR)
|
|
# define BOOST_NO_NULLPTR
|
|
#endif
|
|
// Use BOOST_NO_CXX11_RAW_LITERALS instead of BOOST_NO_RAW_LITERALS
|
|
#if defined(BOOST_NO_CXX11_RAW_LITERALS) && !defined(BOOST_NO_RAW_LITERALS)
|
|
# define BOOST_NO_RAW_LITERALS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_RVALUE_REFERENCES instead of BOOST_NO_RVALUE_REFERENCES
|
|
#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_RVALUE_REFERENCES)
|
|
# define BOOST_NO_RVALUE_REFERENCES
|
|
#endif
|
|
// Use BOOST_NO_CXX11_SCOPED_ENUMS instead of BOOST_NO_SCOPED_ENUMS
|
|
#if defined(BOOST_NO_CXX11_SCOPED_ENUMS) && !defined(BOOST_NO_SCOPED_ENUMS)
|
|
# define BOOST_NO_SCOPED_ENUMS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_STATIC_ASSERT instead of BOOST_NO_STATIC_ASSERT
|
|
#if defined(BOOST_NO_CXX11_STATIC_ASSERT) && !defined(BOOST_NO_STATIC_ASSERT)
|
|
# define BOOST_NO_STATIC_ASSERT
|
|
#endif
|
|
// Use BOOST_NO_CXX11_STD_UNORDERED instead of BOOST_NO_STD_UNORDERED
|
|
#if defined(BOOST_NO_CXX11_STD_UNORDERED) && !defined(BOOST_NO_STD_UNORDERED)
|
|
# define BOOST_NO_STD_UNORDERED
|
|
#endif
|
|
// Use BOOST_NO_CXX11_UNICODE_LITERALS instead of BOOST_NO_UNICODE_LITERALS
|
|
#if defined(BOOST_NO_CXX11_UNICODE_LITERALS) && !defined(BOOST_NO_UNICODE_LITERALS)
|
|
# define BOOST_NO_UNICODE_LITERALS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX instead of BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX
|
|
#if defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX) && !defined(BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX)
|
|
# define BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX
|
|
#endif
|
|
// Use BOOST_NO_CXX11_VARIADIC_TEMPLATES instead of BOOST_NO_VARIADIC_TEMPLATES
|
|
#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_VARIADIC_TEMPLATES)
|
|
# define BOOST_NO_VARIADIC_TEMPLATES
|
|
#endif
|
|
// Use BOOST_NO_CXX11_VARIADIC_MACROS instead of BOOST_NO_VARIADIC_MACROS
|
|
#if defined(BOOST_NO_CXX11_VARIADIC_MACROS) && !defined(BOOST_NO_VARIADIC_MACROS)
|
|
# define BOOST_NO_VARIADIC_MACROS
|
|
#endif
|
|
// Use BOOST_NO_CXX11_NUMERIC_LIMITS instead of BOOST_NO_NUMERIC_LIMITS_LOWEST
|
|
#if defined(BOOST_NO_CXX11_NUMERIC_LIMITS) && !defined(BOOST_NO_NUMERIC_LIMITS_LOWEST)
|
|
# define BOOST_NO_NUMERIC_LIMITS_LOWEST
|
|
#endif
|
|
// ------------------ End of deprecated macros for 1.51 ---------------------------
|
|
|
|
|
|
|
|
//
|
|
// Helper macros BOOST_NOEXCEPT, BOOST_NOEXCEPT_IF, BOOST_NOEXCEPT_EXPR
|
|
// These aid the transition to C++11 while still supporting C++03 compilers
|
|
//
|
|
#ifdef BOOST_NO_CXX11_NOEXCEPT
|
|
# define BOOST_NOEXCEPT
|
|
# define BOOST_NOEXCEPT_OR_NOTHROW throw()
|
|
# define BOOST_NOEXCEPT_IF(Predicate)
|
|
# define BOOST_NOEXCEPT_EXPR(Expression) false
|
|
#else
|
|
# define BOOST_NOEXCEPT noexcept
|
|
# define BOOST_NOEXCEPT_OR_NOTHROW noexcept
|
|
# define BOOST_NOEXCEPT_IF(Predicate) noexcept((Predicate))
|
|
# define BOOST_NOEXCEPT_EXPR(Expression) noexcept((Expression))
|
|
#endif
|
|
//
|
|
// Helper macro BOOST_FALLTHROUGH
|
|
// Fallback definition of BOOST_FALLTHROUGH macro used to mark intended
|
|
// fall-through between case labels in a switch statement. We use a definition
|
|
// that requires a semicolon after it to avoid at least one type of misuse even
|
|
// on unsupported compilers.
|
|
//
|
|
#ifndef BOOST_FALLTHROUGH
|
|
# define BOOST_FALLTHROUGH ((void)0)
|
|
#endif
|
|
|
|
//
|
|
// constexpr workarounds
|
|
//
|
|
#if defined(BOOST_NO_CXX11_CONSTEXPR)
|
|
#define BOOST_CONSTEXPR
|
|
#define BOOST_CONSTEXPR_OR_CONST const
|
|
#else
|
|
#define BOOST_CONSTEXPR constexpr
|
|
#define BOOST_CONSTEXPR_OR_CONST constexpr
|
|
#endif
|
|
#if defined(BOOST_NO_CXX14_CONSTEXPR)
|
|
#define BOOST_CXX14_CONSTEXPR
|
|
#else
|
|
#define BOOST_CXX14_CONSTEXPR constexpr
|
|
#endif
|
|
|
|
//
|
|
// Unused variable/typedef workarounds:
|
|
//
|
|
#ifndef BOOST_ATTRIBUTE_UNUSED
|
|
# define BOOST_ATTRIBUTE_UNUSED
|
|
#endif
|
|
|
|
#define BOOST_STATIC_CONSTEXPR static BOOST_CONSTEXPR_OR_CONST
|
|
|
|
//
|
|
// Set BOOST_HAS_STATIC_ASSERT when BOOST_NO_CXX11_STATIC_ASSERT is not defined
|
|
//
|
|
#if !defined(BOOST_NO_CXX11_STATIC_ASSERT) && !defined(BOOST_HAS_STATIC_ASSERT)
|
|
# define BOOST_HAS_STATIC_ASSERT
|
|
#endif
|
|
|
|
//
|
|
// Set BOOST_HAS_RVALUE_REFS when BOOST_NO_CXX11_RVALUE_REFERENCES is not defined
|
|
//
|
|
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_HAS_RVALUE_REFS)
|
|
#define BOOST_HAS_RVALUE_REFS
|
|
#endif
|
|
|
|
//
|
|
// Set BOOST_HAS_VARIADIC_TMPL when BOOST_NO_CXX11_VARIADIC_TEMPLATES is not defined
|
|
//
|
|
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_HAS_VARIADIC_TMPL)
|
|
#define BOOST_HAS_VARIADIC_TMPL
|
|
#endif
|
|
//
|
|
// Set BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS when
|
|
// BOOST_NO_CXX11_VARIADIC_TEMPLATES is set:
|
|
//
|
|
#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS)
|
|
# define BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS
|
|
#endif
|
|
|
|
//
|
|
// Finish off with checks for macros that are depricated / no longer supported,
|
|
// if any of these are set then it's very likely that much of Boost will no
|
|
// longer work. So stop with a #error for now, but give the user a chance
|
|
// to continue at their own risk if they really want to:
|
|
//
|
|
#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_CONFIG_ALLOW_DEPRECATED)
|
|
# error "You are using a compiler which lacks features which are now a minimum requirement in order to use Boost, define BOOST_CONFIG_ALLOW_DEPRECATED if you want to continue at your own risk!!!"
|
|
#endif
|
|
|
|
#endif
|