Squashed 'third_party/boostorg/config/' content from commit bb3c8a2

Change-Id: I20e82d188260045e00478e35813b54ca7fda6eaf
git-subtree-dir: third_party/boostorg/config
git-subtree-split: bb3c8a20dcb3a97e0c999a5869305398fa6d8a11
diff --git a/include/boost/config/compiler/visualc.hpp b/include/boost/config/compiler/visualc.hpp
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+//  (C) Copyright John Maddock 2001 - 2003.
+//  (C) Copyright Darin Adler 2001 - 2002.
+//  (C) Copyright Peter Dimov 2001.
+//  (C) Copyright Aleksey Gurtovoy 2002.
+//  (C) Copyright David Abrahams 2002 - 2003.
+//  (C) Copyright Beman Dawes 2002 - 2003.
+//  Use, modification and distribution are 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 for most recent version.
+//
+//  Microsoft Visual C++ compiler setup:
+//
+//  We need to be careful with the checks in this file, as contrary
+//  to popular belief there are versions with _MSC_VER with the final
+//  digit non-zero (mainly the MIPS cross compiler).
+//
+//  So we either test _MSC_VER >= XXXX or else _MSC_VER < XXXX.
+//  No other comparisons (==, >, or <=) are safe.
+//
+
+#define BOOST_MSVC _MSC_VER
+
+//
+// Helper macro BOOST_MSVC_FULL_VER for use in Boost code:
+//
+#if _MSC_FULL_VER > 100000000
+#  define BOOST_MSVC_FULL_VER _MSC_FULL_VER
+#else
+#  define BOOST_MSVC_FULL_VER (_MSC_FULL_VER * 10)
+#endif
+
+// Attempt to suppress VC6 warnings about the length of decorated names (obsolete):
+#pragma warning( disable : 4503 ) // warning: decorated name length exceeded
+
+#define BOOST_HAS_PRAGMA_ONCE
+
+//
+// versions check:
+// we don't support Visual C++ prior to version 7.1:
+#if _MSC_VER < 1310
+#  error "Compiler not supported or configured - please reconfigure"
+#endif
+
+#if _MSC_FULL_VER < 180020827
+#  define BOOST_NO_FENV_H
+#endif
+
+#if _MSC_VER < 1400
+// although a conforming signature for swprint exists in VC7.1
+// it appears not to actually work:
+#  define BOOST_NO_SWPRINTF
+// Our extern template tests also fail for this compiler:
+#  define BOOST_NO_CXX11_EXTERN_TEMPLATE
+// Variadic macros do not exist for VC7.1 and lower
+#  define BOOST_NO_CXX11_VARIADIC_MACROS
+#  define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
+#endif
+
+#if _MSC_VER < 1500  // 140X == VC++ 8.0
+#  define BOOST_NO_MEMBER_TEMPLATE_FRIENDS
+#endif
+
+#if _MSC_VER < 1600  // 150X == VC++ 9.0
+   // A bug in VC9:
+#  define BOOST_NO_ADL_BARRIER
+#endif
+
+
+#ifndef _NATIVE_WCHAR_T_DEFINED
+#  define BOOST_NO_INTRINSIC_WCHAR_T
+#endif
+
+//
+// check for exception handling support:
+#if !defined(_CPPUNWIND) && !defined(BOOST_NO_EXCEPTIONS)
+#  define BOOST_NO_EXCEPTIONS
+#endif
+
+//
+// __int64 support:
+//
+#define BOOST_HAS_MS_INT64
+#if defined(_MSC_EXTENSIONS) || (_MSC_VER >= 1400)
+#   define BOOST_HAS_LONG_LONG
+#else
+#   define BOOST_NO_LONG_LONG
+#endif
+#if (_MSC_VER >= 1400) && !defined(_DEBUG)
+#   define BOOST_HAS_NRVO
+#endif
+#if _MSC_VER >= 1600  // 160X == VC++ 10.0
+#  define BOOST_HAS_PRAGMA_DETECT_MISMATCH
+#endif
+//
+// disable Win32 API's if compiler extensions are
+// turned off:
+//
+#if !defined(_MSC_EXTENSIONS) && !defined(BOOST_DISABLE_WIN32)
+#  define BOOST_DISABLE_WIN32
+#endif
+#if !defined(_CPPRTTI) && !defined(BOOST_NO_RTTI)
+#  define BOOST_NO_RTTI
+#endif
+
+//
+// TR1 features:
+//
+#if (_MSC_VER >= 1700) && defined(_HAS_CXX17) && (_HAS_CXX17 > 0)
+// # define BOOST_HAS_TR1_HASH			// don't know if this is true yet.
+// # define BOOST_HAS_TR1_TYPE_TRAITS	// don't know if this is true yet.
+# define BOOST_HAS_TR1_UNORDERED_MAP
+# define BOOST_HAS_TR1_UNORDERED_SET
+#endif
+
+//
+// C++0x features
+//
+//   See above for BOOST_NO_LONG_LONG
+
+// C++ features supported by VC++ 10 (aka 2010)
+//
+#if _MSC_VER < 1600
+#  define BOOST_NO_CXX11_AUTO_DECLARATIONS
+#  define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
+#  define BOOST_NO_CXX11_LAMBDAS
+#  define BOOST_NO_CXX11_RVALUE_REFERENCES
+#  define BOOST_NO_CXX11_STATIC_ASSERT
+#  define BOOST_NO_CXX11_NULLPTR
+#  define BOOST_NO_CXX11_DECLTYPE
+#endif // _MSC_VER < 1600
+
+#if _MSC_VER >= 1600
+#  define BOOST_HAS_STDINT_H
+#endif
+
+// C++11 features supported by VC++ 11 (aka 2012)
+//
+#if _MSC_VER < 1700
+#  define BOOST_NO_CXX11_FINAL
+#  define BOOST_NO_CXX11_RANGE_BASED_FOR
+#  define BOOST_NO_CXX11_SCOPED_ENUMS
+#endif // _MSC_VER < 1700
+
+// C++11 features supported by VC++ 12 (aka 2013).
+//
+#if _MSC_FULL_VER < 180020827
+#  define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
+#  define BOOST_NO_CXX11_DELETED_FUNCTIONS
+#  define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
+#  define BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
+#  define BOOST_NO_CXX11_RAW_LITERALS
+#  define BOOST_NO_CXX11_TEMPLATE_ALIASES
+#  define BOOST_NO_CXX11_TRAILING_RESULT_TYPES
+#  define BOOST_NO_CXX11_VARIADIC_TEMPLATES
+#  define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
+#  define BOOST_NO_CXX11_DECLTYPE_N3276
+#endif
+
+#if _MSC_FULL_VER >= 180020827
+#define BOOST_HAS_EXPM1
+#define BOOST_HAS_LOG1P
+#endif
+
+// C++11 features supported by VC++ 14 (aka 2015)
+//
+#if (_MSC_FULL_VER < 190023026)
+#  define BOOST_NO_CXX11_NOEXCEPT
+#  define BOOST_NO_CXX11_DEFAULTED_MOVES
+#  define BOOST_NO_CXX11_REF_QUALIFIERS
+#  define BOOST_NO_CXX11_USER_DEFINED_LITERALS
+#  define BOOST_NO_CXX11_ALIGNAS
+#  define BOOST_NO_CXX11_INLINE_NAMESPACES
+#  define BOOST_NO_CXX11_CHAR16_T
+#  define BOOST_NO_CXX11_CHAR32_T
+#  define BOOST_NO_CXX11_UNICODE_LITERALS
+#  define BOOST_NO_CXX14_DECLTYPE_AUTO
+#  define BOOST_NO_CXX14_INITIALIZED_LAMBDA_CAPTURES
+#  define BOOST_NO_CXX14_RETURN_TYPE_DEDUCTION
+#  define BOOST_NO_CXX14_BINARY_LITERALS
+#  define BOOST_NO_CXX14_GENERIC_LAMBDAS
+#  define BOOST_NO_CXX14_DIGIT_SEPARATORS
+#  define BOOST_NO_CXX11_THREAD_LOCAL
+#endif
+// C++11 features supported by VC++ 14 update 3 (aka 2015)
+//
+#if (_MSC_FULL_VER < 190024210)
+#  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
+#  define BOOST_NO_SFINAE_EXPR
+#  define BOOST_NO_CXX11_CONSTEXPR
+#endif
+
+// C++14 features supported by VC++ 14.1 (Visual Studio 2017)
+//
+#if (_MSC_VER < 1910)
+#  define BOOST_NO_CXX14_AGGREGATE_NSDMI
+#endif
+
+// C++17 features supported by VC++ 14.1 (Visual Studio 2017) Update 3
+//
+#if (_MSC_VER < 1911) || (_MSVC_LANG < 201703)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif
+
+// MSVC including version 14 has not yet completely
+// implemented value-initialization, as is reported:
+// "VC++ does not value-initialize members of derived classes without
+// user-declared constructor", reported in 2009 by Sylvester Hesp:
+// https://connect.microsoft.com/VisualStudio/feedback/details/484295
+// "Presence of copy constructor breaks member class initialization",
+// reported in 2009 by Alex Vakulenko:
+// https://connect.microsoft.com/VisualStudio/feedback/details/499606
+// "Value-initialization in new-expression", reported in 2005 by
+// Pavel Kuznetsov (MetaCommunications Engineering):
+// https://connect.microsoft.com/VisualStudio/feedback/details/100744
+// Reported again by John Maddock in 2015 for VC14:
+// https://connect.microsoft.com/VisualStudio/feedback/details/1582233/c-subobjects-still-not-value-initialized-correctly
+// See also: http://www.boost.org/libs/utility/value_init.htm#compiler_issues
+// (Niels Dekker, LKEB, May 2010)
+// Still present in VC15.5, Dec 2017.
+#define BOOST_NO_COMPLETE_VALUE_INITIALIZATION
+//
+// C++ 11:
+//
+// This is supported with /permissive- for 15.5 onwards, unfortunately we appear to have no way to tell
+// if this is in effect or not, in any case nothing in Boost is currently using this, so we'll just go
+// on defining it for now:
+//
+#  define BOOST_NO_TWO_PHASE_NAME_LOOKUP
+
+#if (_MSC_VER < 1912) || (_MSVC_LANG < 201402)
+// Supported from msvc-15.5 onwards:
+#define BOOST_NO_CXX11_SFINAE_EXPR
+#endif
+// C++ 14:
+// Still gives internal compiler error for msvc-15.5:
+#  define BOOST_NO_CXX14_CONSTEXPR
+// C++ 17:
+#if (_MSC_VER < 1912) || (_MSVC_LANG < 201703)
+#define BOOST_NO_CXX17_INLINE_VARIABLES
+#define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
+//
+// Things that don't work in clr mode:
+//
+#ifdef _M_CEE
+#ifndef BOOST_NO_CXX11_THREAD_LOCAL
+#  define BOOST_NO_CXX11_THREAD_LOCAL
+#endif
+#ifndef BOOST_NO_SFINAE_EXPR
+#  define BOOST_NO_SFINAE_EXPR
+#endif
+#ifndef BOOST_NO_CXX11_REF_QUALIFIERS
+#  define BOOST_NO_CXX11_REF_QUALIFIERS
+#endif
+#endif
+#ifdef _M_CEE_PURE
+#ifndef BOOST_NO_CXX11_CONSTEXPR
+#  define BOOST_NO_CXX11_CONSTEXPR
+#endif
+#endif
+
+//
+// prefix and suffix headers:
+//
+#ifndef BOOST_ABI_PREFIX
+#  define BOOST_ABI_PREFIX "boost/config/abi/msvc_prefix.hpp"
+#endif
+#ifndef BOOST_ABI_SUFFIX
+#  define BOOST_ABI_SUFFIX "boost/config/abi/msvc_suffix.hpp"
+#endif
+
+#ifndef BOOST_COMPILER
+// TODO:
+// these things are mostly bogus. 1200 means version 12.0 of the compiler. The
+// artificial versions assigned to them only refer to the versions of some IDE
+// these compilers have been shipped with, and even that is not all of it. Some
+// were shipped with freely downloadable SDKs, others as crosscompilers in eVC.
+// IOW, you can't use these 'versions' in any sensible way. Sorry.
+# if defined(UNDER_CE)
+#   if _MSC_VER < 1400
+      // Note: I'm not aware of any CE compiler with version 13xx
+#      if defined(BOOST_ASSERT_CONFIG)
+#         error "Unknown EVC++ compiler version - please run the configure tests and report the results"
+#      else
+#         pragma message("Unknown EVC++ compiler version - please run the configure tests and report the results")
+#      endif
+#   elif _MSC_VER < 1500
+#     define BOOST_COMPILER_VERSION evc8
+#   elif _MSC_VER < 1600
+#     define BOOST_COMPILER_VERSION evc9
+#   elif _MSC_VER < 1700
+#     define BOOST_COMPILER_VERSION evc10
+#   elif _MSC_VER < 1800 
+#     define BOOST_COMPILER_VERSION evc11 
+#   elif _MSC_VER < 1900 
+#     define BOOST_COMPILER_VERSION evc12
+#   elif _MSC_VER < 2000  
+#     define BOOST_COMPILER_VERSION evc14
+#   else
+#      if defined(BOOST_ASSERT_CONFIG)
+#         error "Unknown EVC++ compiler version - please run the configure tests and report the results"
+#      else
+#         pragma message("Unknown EVC++ compiler version - please run the configure tests and report the results")
+#      endif
+#   endif
+# else
+#   if _MSC_VER < 1200
+      // Note: Versions up to 7.0 aren't supported.
+#     define BOOST_COMPILER_VERSION 5.0
+#   elif _MSC_VER < 1300
+#     define BOOST_COMPILER_VERSION 6.0
+#   elif _MSC_VER < 1310
+#     define BOOST_COMPILER_VERSION 7.0
+#   elif _MSC_VER < 1400
+#     define BOOST_COMPILER_VERSION 7.1
+#   elif _MSC_VER < 1500
+#     define BOOST_COMPILER_VERSION 8.0
+#   elif _MSC_VER < 1600
+#     define BOOST_COMPILER_VERSION 9.0
+#   elif _MSC_VER < 1700
+#     define BOOST_COMPILER_VERSION 10.0
+#   elif _MSC_VER < 1800 
+#     define BOOST_COMPILER_VERSION 11.0
+#   elif _MSC_VER < 1900
+#     define BOOST_COMPILER_VERSION 12.0
+#   elif _MSC_VER < 1910
+#     define BOOST_COMPILER_VERSION 14.0
+#   elif _MSC_VER < 1920
+#     define BOOST_COMPILER_VERSION 14.1
+#   else
+#     define BOOST_COMPILER_VERSION _MSC_VER
+#   endif
+# endif
+
+#  define BOOST_COMPILER "Microsoft Visual C++ version " BOOST_STRINGIZE(BOOST_COMPILER_VERSION)
+#endif
+
+#include <boost/config/pragma_message.hpp>
+
+//
+// last known and checked version is 19.12.25830.2 (VC++ 2017.3):
+#if (_MSC_VER > 1912)
+#  if defined(BOOST_ASSERT_CONFIG)
+#     error "Boost.Config is older than your current compiler version."
+#  elif !defined(BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE)
+      //
+      // Disabled as of March 2018 - the pace of VS releases is hard to keep up with
+      // and in any case, we have relatively few defect macros defined now.
+      // BOOST_PRAGMA_MESSAGE("Info: Boost.Config is older than your compiler version - probably nothing bad will happen - but you may wish to look for an updated Boost version. Define BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE to suppress this message.")
+#  endif
+#endif