315 lines
11 KiB
C++
315 lines
11 KiB
C++
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// (C) Copyright John Maddock 2001.
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// (C) Copyright Jens Maurer 2001.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at 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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// config for libstdc++ v3
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// not much to go in here:
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#define BOOST_GNU_STDLIB 1
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#ifdef __GLIBCXX__
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#define BOOST_STDLIB "GNU libstdc++ version " BOOST_STRINGIZE(__GLIBCXX__)
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#else
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#define BOOST_STDLIB "GNU libstdc++ version " BOOST_STRINGIZE(__GLIBCPP__)
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#endif
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#if !defined(_GLIBCPP_USE_WCHAR_T) && !defined(_GLIBCXX_USE_WCHAR_T)
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# define BOOST_NO_CWCHAR
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# define BOOST_NO_CWCTYPE
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# define BOOST_NO_STD_WSTRING
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# define BOOST_NO_STD_WSTREAMBUF
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#endif
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#if defined(__osf__) && !defined(_REENTRANT) \
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&& ( defined(_GLIBCXX_HAVE_GTHR_DEFAULT) || defined(_GLIBCPP_HAVE_GTHR_DEFAULT) )
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// GCC 3 on Tru64 forces the definition of _REENTRANT when any std lib header
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// file is included, therefore for consistency we define it here as well.
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# define _REENTRANT
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#endif
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#ifdef __GLIBCXX__ // gcc 3.4 and greater:
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# if defined(_GLIBCXX_HAVE_GTHR_DEFAULT) \
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|| defined(_GLIBCXX__PTHREADS) \
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|| defined(_GLIBCXX_HAS_GTHREADS) \
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|| defined(_WIN32) \
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|| defined(_AIX) \
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|| defined(__HAIKU__)
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//
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// If the std lib has thread support turned on, then turn it on in Boost
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// as well. We do this because some gcc-3.4 std lib headers define _REENTANT
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// while others do not...
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//
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# define BOOST_HAS_THREADS
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# else
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# define BOOST_DISABLE_THREADS
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# endif
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#elif defined(__GLIBCPP__) \
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&& !defined(_GLIBCPP_HAVE_GTHR_DEFAULT) \
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&& !defined(_GLIBCPP__PTHREADS)
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// disable thread support if the std lib was built single threaded:
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# define BOOST_DISABLE_THREADS
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#endif
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#if (defined(linux) || defined(__linux) || defined(__linux__)) && defined(__arm__) && defined(_GLIBCPP_HAVE_GTHR_DEFAULT)
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// linux on arm apparently doesn't define _REENTRANT
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// so just turn on threading support whenever the std lib is thread safe:
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# define BOOST_HAS_THREADS
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#endif
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#if !defined(_GLIBCPP_USE_LONG_LONG) \
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&& !defined(_GLIBCXX_USE_LONG_LONG)\
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&& defined(BOOST_HAS_LONG_LONG)
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// May have been set by compiler/*.hpp, but "long long" without library
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// support is useless.
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# undef BOOST_HAS_LONG_LONG
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#endif
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// Apple doesn't seem to reliably defined a *unix* macro
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#if !defined(CYGWIN) && ( defined(__unix__) \
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|| defined(__unix) \
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|| defined(unix) \
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|| defined(__APPLE__) \
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|| defined(__APPLE) \
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|| defined(APPLE))
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# include <unistd.h>
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#endif
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#if defined(__GLIBCXX__) || (defined(__GLIBCPP__) && __GLIBCPP__>=20020514) // GCC >= 3.1.0
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# define BOOST_STD_EXTENSION_NAMESPACE __gnu_cxx
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# define BOOST_HAS_SLIST
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# define BOOST_HAS_HASH
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# define BOOST_SLIST_HEADER <ext/slist>
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# if !defined(__GNUC__) || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
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# define BOOST_HASH_SET_HEADER <ext/hash_set>
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# define BOOST_HASH_MAP_HEADER <ext/hash_map>
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# else
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# define BOOST_HASH_SET_HEADER <backward/hash_set>
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# define BOOST_HASH_MAP_HEADER <backward/hash_map>
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# endif
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#endif
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//
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// Decide whether we have C++11 support turned on:
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//
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#if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103)
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# define BOOST_LIBSTDCXX11
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#endif
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//
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// Decide which version of libstdc++ we have, normally
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// stdlibc++ C++0x support is detected via __GNUC__, __GNUC_MINOR__, and possibly
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// __GNUC_PATCHLEVEL__ at the suggestion of Jonathan Wakely, one of the stdlibc++
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// developers. He also commented:
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//
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// "I'm not sure how useful __GLIBCXX__ is for your purposes, for instance in
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// GCC 4.2.4 it is set to 20080519 but in GCC 4.3.0 it is set to 20080305.
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// Although 4.3.0 was released earlier than 4.2.4, it has better C++0x support
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// than any release in the 4.2 series."
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//
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// Another resource for understanding stdlibc++ features is:
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// http://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#manual.intro.status.standard.200x
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//
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// However, using the GCC version number fails when the compiler is clang since this
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// only ever claims to emulate GCC-4.2, see https://svn.boost.org/trac/boost/ticket/7473
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// for a long discussion on this issue. What we can do though is use clang's __has_include
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// to detect the presence of a C++11 header that was introduced with a specific GCC release.
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// We still have to be careful though as many such headers were buggy and/or incomplete when
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// first introduced, so we only check for headers that were fully featured from day 1, and then
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// use that to infer the underlying GCC version:
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//
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#ifdef __clang__
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#if __has_include(<experimental/memory_resource>)
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# define BOOST_LIBSTDCXX_VERSION 60100
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#elif __has_include(<experimental/any>)
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# define BOOST_LIBSTDCXX_VERSION 50100
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#elif __has_include(<shared_mutex>)
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# define BOOST_LIBSTDCXX_VERSION 40900
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#elif __has_include(<ext/cmath>)
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# define BOOST_LIBSTDCXX_VERSION 40800
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#elif __has_include(<scoped_allocator>)
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# define BOOST_LIBSTDCXX_VERSION 40700
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#elif __has_include(<typeindex>)
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# define BOOST_LIBSTDCXX_VERSION 40600
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#elif __has_include(<future>)
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# define BOOST_LIBSTDCXX_VERSION 40500
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#elif __has_include(<ratio>)
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# define BOOST_LIBSTDCXX_VERSION 40400
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#elif __has_include(<array>)
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# define BOOST_LIBSTDCXX_VERSION 40300
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#endif
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//
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// GCC 4.8 and 9 add working versions of <atomic> and <regex> respectively.
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// However, we have no test for these as the headers were present but broken
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// in early GCC versions.
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//
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#endif
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#if defined(__SUNPRO_CC) && (__SUNPRO_CC >= 0x5130) && (__cplusplus >= 201103L)
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//
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// Oracle Solaris compiler uses it's own verison of libstdc++ but doesn't
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// set __GNUC__
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//
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#if __SUNPRO_CC >= 0x5140
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#define BOOST_LIBSTDCXX_VERSION 50100
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#else
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#define BOOST_LIBSTDCXX_VERSION 40800
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#endif
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#endif
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#if !defined(BOOST_LIBSTDCXX_VERSION)
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# define BOOST_LIBSTDCXX_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
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#endif
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// std::auto_ptr isn't provided with _GLIBCXX_DEPRECATED=0 (GCC 4.5 and earlier)
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// or _GLIBCXX_USE_DEPRECATED=0 (GCC 4.6 and later).
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#if defined(BOOST_LIBSTDCXX11)
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# if BOOST_LIBSTDCXX_VERSION < 40600
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# if !_GLIBCXX_DEPRECATED
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# define BOOST_NO_AUTO_PTR
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# endif
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# elif !_GLIBCXX_USE_DEPRECATED
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# define BOOST_NO_AUTO_PTR
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# endif
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#endif
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// C++0x headers in GCC 4.3.0 and later
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//
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#if (BOOST_LIBSTDCXX_VERSION < 40300) || !defined(BOOST_LIBSTDCXX11)
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# define BOOST_NO_CXX11_HDR_ARRAY
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# define BOOST_NO_CXX11_HDR_TUPLE
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# define BOOST_NO_CXX11_HDR_UNORDERED_MAP
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# define BOOST_NO_CXX11_HDR_UNORDERED_SET
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# define BOOST_NO_CXX11_HDR_FUNCTIONAL
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#endif
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// C++0x headers in GCC 4.4.0 and later
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//
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#if (BOOST_LIBSTDCXX_VERSION < 40400) || !defined(BOOST_LIBSTDCXX11)
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# define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
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# define BOOST_NO_CXX11_HDR_FORWARD_LIST
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# define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
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# define BOOST_NO_CXX11_HDR_MUTEX
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# define BOOST_NO_CXX11_HDR_RATIO
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# define BOOST_NO_CXX11_HDR_SYSTEM_ERROR
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# define BOOST_NO_CXX11_SMART_PTR
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#else
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# define BOOST_HAS_TR1_COMPLEX_INVERSE_TRIG
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# define BOOST_HAS_TR1_COMPLEX_OVERLOADS
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#endif
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// C++0x features in GCC 4.5.0 and later
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//
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#if (BOOST_LIBSTDCXX_VERSION < 40500) || !defined(BOOST_LIBSTDCXX11)
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# define BOOST_NO_CXX11_NUMERIC_LIMITS
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# define BOOST_NO_CXX11_HDR_FUTURE
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# define BOOST_NO_CXX11_HDR_RANDOM
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#endif
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// C++0x features in GCC 4.6.0 and later
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//
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#if (BOOST_LIBSTDCXX_VERSION < 40600) || !defined(BOOST_LIBSTDCXX11)
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# define BOOST_NO_CXX11_HDR_TYPEINDEX
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# define BOOST_NO_CXX11_ADDRESSOF
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#endif
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// C++0x features in GCC 4.7.0 and later
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//
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#if (BOOST_LIBSTDCXX_VERSION < 40700) || !defined(BOOST_LIBSTDCXX11)
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// Note that although <chrono> existed prior to 4.7, "steady_clock" is spelled "monotonic_clock"
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// so 4.7.0 is the first truely conforming one.
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# define BOOST_NO_CXX11_HDR_CHRONO
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# define BOOST_NO_CXX11_ALLOCATOR
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#endif
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// C++0x features in GCC 4.8.0 and later
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//
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#if (BOOST_LIBSTDCXX_VERSION < 40800) || !defined(BOOST_LIBSTDCXX11)
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// Note that although <atomic> existed prior to gcc 4.8 it was largely unimplemented for many types:
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# define BOOST_NO_CXX11_HDR_ATOMIC
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# define BOOST_NO_CXX11_HDR_THREAD
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#endif
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// C++0x features in GCC 4.9.0 and later
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//
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#if (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11)
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// Although <regex> is present and compilable against, the actual implementation is not functional
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// even for the simplest patterns such as "\d" or "[0-9]". This is the case at least in gcc up to 4.8, inclusively.
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# define BOOST_NO_CXX11_HDR_REGEX
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#endif
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#if (BOOST_LIBSTDCXX_VERSION < 40900) || (__cplusplus <= 201103)
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# define BOOST_NO_CXX14_STD_EXCHANGE
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#endif
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#if defined(__clang_major__) && ((__clang_major__ < 3) || ((__clang_major__ == 3) && (__clang_minor__ < 7)))
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// As of clang-3.6, libstdc++ header <atomic> throws up errors with clang:
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# define BOOST_NO_CXX11_HDR_ATOMIC
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#endif
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//
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// C++0x features in GCC 5.1 and later
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//
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#if (BOOST_LIBSTDCXX_VERSION < 50100) || !defined(BOOST_LIBSTDCXX11)
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# define BOOST_NO_CXX11_HDR_TYPE_TRAITS
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# define BOOST_NO_CXX11_HDR_CODECVT
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# define BOOST_NO_CXX11_ATOMIC_SMART_PTR
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# define BOOST_NO_CXX11_STD_ALIGN
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#endif
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//
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// C++17 features in GCC 6.1 and later
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//
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#if (BOOST_LIBSTDCXX_VERSION < 60100) || (__cplusplus <= 201402L)
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# define BOOST_NO_CXX17_STD_INVOKE
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#endif
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#if (BOOST_LIBSTDCXX_VERSION < 70100) || (__cplusplus <= 201402L)
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# define BOOST_NO_CXX17_STD_APPLY
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#endif
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#if defined(__has_include)
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#if !__has_include(<shared_mutex>)
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# define BOOST_NO_CXX14_HDR_SHARED_MUTEX
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#elif __cplusplus <= 201103
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# define BOOST_NO_CXX14_HDR_SHARED_MUTEX
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#endif
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#elif __cplusplus < 201402 || (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11)
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# define BOOST_NO_CXX14_HDR_SHARED_MUTEX
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#endif
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//
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// Headers not present on Solaris with the Oracle compiler:
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#if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5140)
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#define BOOST_NO_CXX11_HDR_FUTURE
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#define BOOST_NO_CXX11_HDR_FORWARD_LIST
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#define BOOST_NO_CXX11_HDR_ATOMIC
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// shared_ptr is present, but is not convertible to bool
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// which causes all kinds of problems especially in Boost.Thread
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// but probably elsewhere as well.
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#define BOOST_NO_CXX11_SMART_PTR
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#endif
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#if (!defined(_GLIBCXX_HAS_GTHREADS) || !defined(_GLIBCXX_USE_C99_STDINT_TR1))
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// Headers not always available:
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# ifndef BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
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# define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
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# endif
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# ifndef BOOST_NO_CXX11_HDR_MUTEX
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# define BOOST_NO_CXX11_HDR_MUTEX
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# endif
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# ifndef BOOST_NO_CXX11_HDR_THREAD
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# define BOOST_NO_CXX11_HDR_THREAD
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# endif
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# ifndef BOOST_NO_CXX14_HDR_SHARED_MUTEX
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# define BOOST_NO_CXX14_HDR_SHARED_MUTEX
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# endif
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#endif
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#if (!defined(_GTHREAD_USE_MUTEX_TIMEDLOCK) || (_GTHREAD_USE_MUTEX_TIMEDLOCK == 0)) && !defined(BOOST_NO_CXX11_HDR_MUTEX)
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// Timed mutexes are not always available:
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# define BOOST_NO_CXX11_HDR_MUTEX
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#endif
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// --- end ---
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