mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-23 21:35:04 +03:00
117 lines
4.7 KiB
C++
117 lines
4.7 KiB
C++
// Copyright (C) 2003, 2008 Fernando Luis Cacciola Carballal.
|
|
// Copyright (C) 2015 Andrzej Krzemienski.
|
|
//
|
|
// Use, modification, and distribution is subject to the Boost Software
|
|
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
// See http://www.boost.org/libs/optional for documentation.
|
|
//
|
|
// You are welcome to contact the author at:
|
|
// akrzemi1@gmail.com
|
|
|
|
#ifndef BOOST_OPTIONAL_DETAIL_OPTIONAL_CONFIG_AJK_28JAN2015_HPP
|
|
#define BOOST_OPTIONAL_DETAIL_OPTIONAL_CONFIG_AJK_28JAN2015_HPP
|
|
|
|
#include <boost/config.hpp>
|
|
#include <boost/detail/workaround.hpp>
|
|
|
|
#if (defined BOOST_NO_CXX11_RVALUE_REFERENCES) || (defined BOOST_OPTIONAL_CONFIG_NO_RVALUE_REFERENCES)
|
|
# define BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES
|
|
#endif
|
|
|
|
#if BOOST_WORKAROUND(BOOST_INTEL_CXX_VERSION,<=700)
|
|
// AFAICT only Intel 7 correctly resolves the overload set
|
|
// that includes the in-place factory taking functions,
|
|
// so for the other icc versions, in-place factory support
|
|
// is disabled
|
|
# define BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
|
|
#endif
|
|
|
|
#if BOOST_WORKAROUND(__BORLANDC__, <= 0x551)
|
|
// BCB (5.5.1) cannot parse the nested template struct in an inplace factory.
|
|
# define BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
|
|
#endif
|
|
|
|
#if !defined(BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT) \
|
|
&& defined BOOST_BCB_PARTIAL_SPECIALIZATION_BUG
|
|
// BCB (up to 5.64) has the following bug:
|
|
// If there is a member function/operator template of the form
|
|
// template<class Expr> mfunc( Expr expr ) ;
|
|
// some calls are resolved to this even if there are other better matches.
|
|
// The effect of this bug is that calls to converting ctors and assignments
|
|
// are incorrectly sink to this general catch-all member function template as shown above.
|
|
# define BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION
|
|
#endif
|
|
|
|
#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
|
|
// GCC since 3.3 has may_alias attribute that helps to alleviate optimizer issues with
|
|
// regard to violation of the strict aliasing rules. The optional< T > storage type is marked
|
|
// with this attribute in order to let the compiler know that it will alias objects of type T
|
|
// and silence compilation warnings.
|
|
# define BOOST_OPTIONAL_DETAIL_USE_ATTRIBUTE_MAY_ALIAS
|
|
#endif
|
|
|
|
#if (defined(_MSC_VER) && _MSC_VER <= 1800)
|
|
// on MSCV 2013 and earlier an unwanted temporary is created when you assign from
|
|
// a const lvalue of integral type. Thus we bind not to the original address but
|
|
// to a temporary.
|
|
# define BOOST_OPTIONAL_CONFIG_NO_PROPER_ASSIGN_FROM_CONST_INT
|
|
#endif
|
|
|
|
#if (defined __GNUC__) && (!defined BOOST_INTEL_CXX_VERSION) && (!defined __clang__)
|
|
// On some GCC versions an unwanted temporary is created when you copy-initialize
|
|
// from a const lvalue of integral type. Thus we bind not to the original address but
|
|
// to a temporary.
|
|
|
|
# if (__GNUC__ < 4)
|
|
# define BOOST_OPTIONAL_CONFIG_NO_PROPER_CONVERT_FROM_CONST_INT
|
|
# endif
|
|
|
|
# if (__GNUC__ == 4 && __GNUC_MINOR__ <= 5)
|
|
# define BOOST_OPTIONAL_CONFIG_NO_PROPER_CONVERT_FROM_CONST_INT
|
|
# endif
|
|
|
|
# if (__GNUC__ == 5 && __GNUC_MINOR__ < 2)
|
|
# define BOOST_OPTIONAL_CONFIG_NO_PROPER_CONVERT_FROM_CONST_INT
|
|
# endif
|
|
|
|
# if (__GNUC__ == 5 && __GNUC_MINOR__ == 2 && __GNUC_PATCHLEVEL__ == 0)
|
|
# define BOOST_OPTIONAL_CONFIG_NO_PROPER_CONVERT_FROM_CONST_INT
|
|
# endif
|
|
|
|
#endif // defined(__GNUC__)
|
|
|
|
#if (defined __GNUC__) && (!defined BOOST_NO_CXX11_RVALUE_REFERENCES)
|
|
// On some initial rvalue reference implementations GCC does it in a strange way,
|
|
// preferring perfect-forwarding constructor to implicit copy constructor.
|
|
|
|
# if (__GNUC__ == 4 && __GNUC_MINOR__ == 4)
|
|
# define BOOST_OPTIONAL_CONFIG_NO_LEGAL_CONVERT_FROM_REF
|
|
# endif
|
|
|
|
# if (__GNUC__ == 4 && __GNUC_MINOR__ == 5)
|
|
# define BOOST_OPTIONAL_CONFIG_NO_LEGAL_CONVERT_FROM_REF
|
|
# endif
|
|
|
|
#endif // defined(__GNUC__)
|
|
|
|
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_CXX11_DECLTYPE) && !BOOST_WORKAROUND(BOOST_MSVC, < 1800) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500) && !defined(__SUNPRO_CC)
|
|
// this condition is a copy paste from is_constructible.hpp
|
|
// I also disable SUNPRO, as it seems not to support type_traits correctly
|
|
#else
|
|
# define BOOST_OPTIONAL_DETAIL_NO_IS_CONSTRUCTIBLE_TRAIT
|
|
#endif
|
|
|
|
#if defined __SUNPRO_CC
|
|
# define BOOST_OPTIONAL_DETAIL_NO_SFINAE_FRIENDLY_CONSTRUCTORS
|
|
#elif (defined _MSC_FULL_VER) && (_MSC_FULL_VER < 190023026)
|
|
# define BOOST_OPTIONAL_DETAIL_NO_SFINAE_FRIENDLY_CONSTRUCTORS
|
|
#elif defined BOOST_GCC && !defined BOOST_GCC_CXX11
|
|
# define BOOST_OPTIONAL_DETAIL_NO_SFINAE_FRIENDLY_CONSTRUCTORS
|
|
#elif defined BOOST_GCC_VERSION && BOOST_GCC_VERSION < 40800
|
|
# define BOOST_OPTIONAL_DETAIL_NO_SFINAE_FRIENDLY_CONSTRUCTORS
|
|
#endif
|
|
|
|
#endif // header guard
|