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WSJT-X/boost/config/stdlib/libstdcpp3.hpp
Bill Somerville 4ebe6417a5 Squashed 'boost/' content from commit b4feb19f2 
git-subtree-dir: boost
git-subtree-split: b4feb19f287ee92d87a9624b5d36b7cf46aeadeb
2018-06-09 21:48:32 +01:00

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// (C) Copyright John Maddock 2001.
// (C) Copyright Jens Maurer 2001.
// 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.
// config for libstdc++ v3
// not much to go in here:
#define BOOST_GNU_STDLIB 1
#ifdef __GLIBCXX__
#define BOOST_STDLIB "GNU libstdc++ version " BOOST_STRINGIZE(__GLIBCXX__)
#else
#define BOOST_STDLIB "GNU libstdc++ version " BOOST_STRINGIZE(__GLIBCPP__)
#endif
#if !defined(_GLIBCPP_USE_WCHAR_T) && !defined(_GLIBCXX_USE_WCHAR_T)
# define BOOST_NO_CWCHAR
# define BOOST_NO_CWCTYPE
# define BOOST_NO_STD_WSTRING
# define BOOST_NO_STD_WSTREAMBUF
#endif
#if defined(__osf__) && !defined(_REENTRANT) \
&& ( defined(_GLIBCXX_HAVE_GTHR_DEFAULT) || defined(_GLIBCPP_HAVE_GTHR_DEFAULT) )
// GCC 3 on Tru64 forces the definition of _REENTRANT when any std lib header
// file is included, therefore for consistency we define it here as well.
# define _REENTRANT
#endif
#ifdef __GLIBCXX__ // gcc 3.4 and greater:
# if defined(_GLIBCXX_HAVE_GTHR_DEFAULT) \
|| defined(_GLIBCXX__PTHREADS) \
|| defined(_GLIBCXX_HAS_GTHREADS) \
|| defined(_WIN32) \
|| defined(_AIX) \
|| defined(__HAIKU__)
//
// If the std lib has thread support turned on, then turn it on in Boost
// as well. We do this because some gcc-3.4 std lib headers define _REENTANT
// while others do not...
//
# define BOOST_HAS_THREADS
# else
# define BOOST_DISABLE_THREADS
# endif
#elif defined(__GLIBCPP__) \
&& !defined(_GLIBCPP_HAVE_GTHR_DEFAULT) \
&& !defined(_GLIBCPP__PTHREADS)
// disable thread support if the std lib was built single threaded:
# define BOOST_DISABLE_THREADS
#endif
#if (defined(linux) || defined(__linux) || defined(__linux__)) && defined(__arm__) && defined(_GLIBCPP_HAVE_GTHR_DEFAULT)
// linux on arm apparently doesn't define _REENTRANT
// so just turn on threading support whenever the std lib is thread safe:
# define BOOST_HAS_THREADS
#endif
#if !defined(_GLIBCPP_USE_LONG_LONG) \
&& !defined(_GLIBCXX_USE_LONG_LONG)\
&& defined(BOOST_HAS_LONG_LONG)
// May have been set by compiler/*.hpp, but "long long" without library
// support is useless.
# undef BOOST_HAS_LONG_LONG
#endif
// Apple doesn't seem to reliably defined a *unix* macro
#if !defined(CYGWIN) && ( defined(__unix__) \
|| defined(__unix) \
|| defined(unix) \
|| defined(__APPLE__) \
|| defined(__APPLE) \
|| defined(APPLE))
# include <unistd.h>
#endif
#if defined(__GLIBCXX__) || (defined(__GLIBCPP__) && __GLIBCPP__>=20020514) // GCC >= 3.1.0
# define BOOST_STD_EXTENSION_NAMESPACE __gnu_cxx
# define BOOST_HAS_SLIST
# define BOOST_HAS_HASH
# define BOOST_SLIST_HEADER <ext/slist>
# if !defined(__GNUC__) || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
# define BOOST_HASH_SET_HEADER <ext/hash_set>
# define BOOST_HASH_MAP_HEADER <ext/hash_map>
# else
# define BOOST_HASH_SET_HEADER <backward/hash_set>
# define BOOST_HASH_MAP_HEADER <backward/hash_map>
# endif
#endif
//
// Decide whether we have C++11 support turned on:
//
#if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103)
# define BOOST_LIBSTDCXX11
#endif
//
// Decide which version of libstdc++ we have, normally
// stdlibc++ C++0x support is detected via __GNUC__, __GNUC_MINOR__, and possibly
// __GNUC_PATCHLEVEL__ at the suggestion of Jonathan Wakely, one of the stdlibc++
// developers. He also commented:
//
// "I'm not sure how useful __GLIBCXX__ is for your purposes, for instance in
// GCC 4.2.4 it is set to 20080519 but in GCC 4.3.0 it is set to 20080305.
// Although 4.3.0 was released earlier than 4.2.4, it has better C++0x support
// than any release in the 4.2 series."
//
// Another resource for understanding stdlibc++ features is:
// http://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#manual.intro.status.standard.200x
//
// However, using the GCC version number fails when the compiler is clang since this
// only ever claims to emulate GCC-4.2, see https://svn.boost.org/trac/boost/ticket/7473
// for a long discussion on this issue. What we can do though is use clang's __has_include
// to detect the presence of a C++11 header that was introduced with a specific GCC release.
// We still have to be careful though as many such headers were buggy and/or incomplete when
// first introduced, so we only check for headers that were fully featured from day 1, and then
// use that to infer the underlying GCC version:
//
#ifdef __clang__
#if __has_include(<experimental/memory_resource>)
# define BOOST_LIBSTDCXX_VERSION 60100
#elif __has_include(<experimental/any>)
# define BOOST_LIBSTDCXX_VERSION 50100
#elif __has_include(<shared_mutex>)
# define BOOST_LIBSTDCXX_VERSION 40900
#elif __has_include(<ext/cmath>)
# define BOOST_LIBSTDCXX_VERSION 40800
#elif __has_include(<scoped_allocator>)
# define BOOST_LIBSTDCXX_VERSION 40700
#elif __has_include(<typeindex>)
# define BOOST_LIBSTDCXX_VERSION 40600
#elif __has_include(<future>)
# define BOOST_LIBSTDCXX_VERSION 40500
#elif __has_include(<ratio>)
# define BOOST_LIBSTDCXX_VERSION 40400
#elif __has_include(<array>)
# define BOOST_LIBSTDCXX_VERSION 40300
#endif
//
// GCC 4.8 and 9 add working versions of <atomic> and <regex> respectively.
// However, we have no test for these as the headers were present but broken
// in early GCC versions.
//
#endif
#if defined(__SUNPRO_CC) && (__SUNPRO_CC >= 0x5130) && (__cplusplus >= 201103L)
//
// Oracle Solaris compiler uses it's own verison of libstdc++ but doesn't
// set __GNUC__
//
#if __SUNPRO_CC >= 0x5140
#define BOOST_LIBSTDCXX_VERSION 50100
#else
#define BOOST_LIBSTDCXX_VERSION 40800
#endif
#endif
#if !defined(BOOST_LIBSTDCXX_VERSION)
# define BOOST_LIBSTDCXX_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#endif
// std::auto_ptr isn't provided with _GLIBCXX_DEPRECATED=0 (GCC 4.5 and earlier)
// or _GLIBCXX_USE_DEPRECATED=0 (GCC 4.6 and later).
#if defined(BOOST_LIBSTDCXX11)
# if BOOST_LIBSTDCXX_VERSION < 40600
# if !_GLIBCXX_DEPRECATED
# define BOOST_NO_AUTO_PTR
# endif
# elif !_GLIBCXX_USE_DEPRECATED
# define BOOST_NO_AUTO_PTR
# endif
#endif
// C++0x headers in GCC 4.3.0 and later
//
#if (BOOST_LIBSTDCXX_VERSION < 40300) || !defined(BOOST_LIBSTDCXX11)
# define BOOST_NO_CXX11_HDR_ARRAY
# define BOOST_NO_CXX11_HDR_TUPLE
# define BOOST_NO_CXX11_HDR_UNORDERED_MAP
# define BOOST_NO_CXX11_HDR_UNORDERED_SET
# define BOOST_NO_CXX11_HDR_FUNCTIONAL
#endif
// C++0x headers in GCC 4.4.0 and later
//
#if (BOOST_LIBSTDCXX_VERSION < 40400) || !defined(BOOST_LIBSTDCXX11)
# define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
# define BOOST_NO_CXX11_HDR_FORWARD_LIST
# define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
# define BOOST_NO_CXX11_HDR_MUTEX
# define BOOST_NO_CXX11_HDR_RATIO
# define BOOST_NO_CXX11_HDR_SYSTEM_ERROR
# define BOOST_NO_CXX11_SMART_PTR
#else
# define BOOST_HAS_TR1_COMPLEX_INVERSE_TRIG
# define BOOST_HAS_TR1_COMPLEX_OVERLOADS
#endif
// C++0x features in GCC 4.5.0 and later
//
#if (BOOST_LIBSTDCXX_VERSION < 40500) || !defined(BOOST_LIBSTDCXX11)
# define BOOST_NO_CXX11_NUMERIC_LIMITS
# define BOOST_NO_CXX11_HDR_FUTURE
# define BOOST_NO_CXX11_HDR_RANDOM
#endif
// C++0x features in GCC 4.6.0 and later
//
#if (BOOST_LIBSTDCXX_VERSION < 40600) || !defined(BOOST_LIBSTDCXX11)
# define BOOST_NO_CXX11_HDR_TYPEINDEX
# define BOOST_NO_CXX11_ADDRESSOF
#endif
// C++0x features in GCC 4.7.0 and later
//
#if (BOOST_LIBSTDCXX_VERSION < 40700) || !defined(BOOST_LIBSTDCXX11)
// Note that although <chrono> existed prior to 4.7, "steady_clock" is spelled "monotonic_clock"
// so 4.7.0 is the first truely conforming one.
# define BOOST_NO_CXX11_HDR_CHRONO
# define BOOST_NO_CXX11_ALLOCATOR
#endif
// C++0x features in GCC 4.8.0 and later
//
#if (BOOST_LIBSTDCXX_VERSION < 40800) || !defined(BOOST_LIBSTDCXX11)
// Note that although <atomic> existed prior to gcc 4.8 it was largely unimplemented for many types:
# define BOOST_NO_CXX11_HDR_ATOMIC
# define BOOST_NO_CXX11_HDR_THREAD
#endif
// C++0x features in GCC 4.9.0 and later
//
#if (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11)
// Although <regex> is present and compilable against, the actual implementation is not functional
// even for the simplest patterns such as "\d" or "[0-9]". This is the case at least in gcc up to 4.8, inclusively.
# define BOOST_NO_CXX11_HDR_REGEX
#endif
#if (BOOST_LIBSTDCXX_VERSION < 40900) || (__cplusplus <= 201103)
# define BOOST_NO_CXX14_STD_EXCHANGE
#endif
#if defined(__clang_major__) && ((__clang_major__ < 3) || ((__clang_major__ == 3) && (__clang_minor__ < 7)))
// As of clang-3.6, libstdc++ header <atomic> throws up errors with clang:
# define BOOST_NO_CXX11_HDR_ATOMIC
#endif
//
// C++0x features in GCC 5.1 and later
//
#if (BOOST_LIBSTDCXX_VERSION < 50100) || !defined(BOOST_LIBSTDCXX11)
# define BOOST_NO_CXX11_HDR_TYPE_TRAITS
# define BOOST_NO_CXX11_HDR_CODECVT
# define BOOST_NO_CXX11_ATOMIC_SMART_PTR
# define BOOST_NO_CXX11_STD_ALIGN
#endif
//
// C++17 features in GCC 6.1 and later
//
#if (BOOST_LIBSTDCXX_VERSION < 60100) || (__cplusplus <= 201402L)
# define BOOST_NO_CXX17_STD_INVOKE
#endif
#if (BOOST_LIBSTDCXX_VERSION < 70100) || (__cplusplus <= 201402L)
# define BOOST_NO_CXX17_STD_APPLY
#endif
#if defined(__has_include)
#if !__has_include(<shared_mutex>)
# define BOOST_NO_CXX14_HDR_SHARED_MUTEX
#elif __cplusplus <= 201103
# define BOOST_NO_CXX14_HDR_SHARED_MUTEX
#endif
#elif __cplusplus < 201402 || (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11)
# define BOOST_NO_CXX14_HDR_SHARED_MUTEX
#endif
//
// Headers not present on Solaris with the Oracle compiler:
#if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5140)
#define BOOST_NO_CXX11_HDR_FUTURE
#define BOOST_NO_CXX11_HDR_FORWARD_LIST
#define BOOST_NO_CXX11_HDR_ATOMIC
// shared_ptr is present, but is not convertible to bool
// which causes all kinds of problems especially in Boost.Thread
// but probably elsewhere as well.
#define BOOST_NO_CXX11_SMART_PTR
#endif
#if (!defined(_GLIBCXX_HAS_GTHREADS) || !defined(_GLIBCXX_USE_C99_STDINT_TR1))
// Headers not always available:
# ifndef BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
# define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
# endif
# ifndef BOOST_NO_CXX11_HDR_MUTEX
# define BOOST_NO_CXX11_HDR_MUTEX
# endif
# ifndef BOOST_NO_CXX11_HDR_THREAD
# define BOOST_NO_CXX11_HDR_THREAD
# endif
# ifndef BOOST_NO_CXX14_HDR_SHARED_MUTEX
# define BOOST_NO_CXX14_HDR_SHARED_MUTEX
# endif
#endif
#if (!defined(_GTHREAD_USE_MUTEX_TIMEDLOCK) || (_GTHREAD_USE_MUTEX_TIMEDLOCK == 0)) && !defined(BOOST_NO_CXX11_HDR_MUTEX)
// Timed mutexes are not always available:
# define BOOST_NO_CXX11_HDR_MUTEX
#endif
// --- end ---
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