Chris@16: //  (C) Copyright John Maddock 2001.
Chris@16: //  (C) Copyright Jens Maurer 2001.
Chris@16: //  Use, modification and distribution are subject to the
Chris@16: //  Boost Software License, Version 1.0. (See accompanying file
Chris@16: //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org for most recent version.
Chris@16: 
Chris@16: //  config for libstdc++ v3
Chris@16: //  not much to go in here:
Chris@16: 
Chris@16: #define BOOST_GNU_STDLIB 1
Chris@16: 
Chris@16: #ifdef __GLIBCXX__
Chris@16: #define BOOST_STDLIB "GNU libstdc++ version " BOOST_STRINGIZE(__GLIBCXX__)
Chris@16: #else
Chris@16: #define BOOST_STDLIB "GNU libstdc++ version " BOOST_STRINGIZE(__GLIBCPP__)
Chris@16: #endif
Chris@16: 
Chris@16: #if !defined(_GLIBCPP_USE_WCHAR_T) && !defined(_GLIBCXX_USE_WCHAR_T)
Chris@16: #  define BOOST_NO_CWCHAR
Chris@16: #  define BOOST_NO_CWCTYPE
Chris@16: #  define BOOST_NO_STD_WSTRING
Chris@16: #  define BOOST_NO_STD_WSTREAMBUF
Chris@16: #endif
Chris@16: 
Chris@16: #if defined(__osf__) && !defined(_REENTRANT) \
Chris@16:   && ( defined(_GLIBCXX_HAVE_GTHR_DEFAULT) || defined(_GLIBCPP_HAVE_GTHR_DEFAULT) )
Chris@16: // GCC 3 on Tru64 forces the definition of _REENTRANT when any std lib header
Chris@16: // file is included, therefore for consistency we define it here as well.
Chris@16: #  define _REENTRANT
Chris@16: #endif
Chris@16: 
Chris@16: #ifdef __GLIBCXX__ // gcc 3.4 and greater:
Chris@16: #  if defined(_GLIBCXX_HAVE_GTHR_DEFAULT) \
Chris@16:         || defined(_GLIBCXX__PTHREADS) \
Chris@16:         || defined(_GLIBCXX_HAS_GTHREADS) \
Chris@16:         || defined(_WIN32) \
Chris@101:         || defined(_AIX) \
Chris@101:         || defined(__HAIKU__)
Chris@16:       //
Chris@16:       // If the std lib has thread support turned on, then turn it on in Boost
Chris@16:       // as well.  We do this because some gcc-3.4 std lib headers define _REENTANT
Chris@16:       // while others do not...
Chris@16:       //
Chris@16: #     define BOOST_HAS_THREADS
Chris@16: #  else
Chris@16: #     define BOOST_DISABLE_THREADS
Chris@16: #  endif
Chris@16: #elif defined(__GLIBCPP__) \
Chris@16:         && !defined(_GLIBCPP_HAVE_GTHR_DEFAULT) \
Chris@16:         && !defined(_GLIBCPP__PTHREADS)
Chris@16:    // disable thread support if the std lib was built single threaded:
Chris@16: #  define BOOST_DISABLE_THREADS
Chris@16: #endif
Chris@16: 
Chris@16: #if (defined(linux) || defined(__linux) || defined(__linux__)) && defined(__arm__) && defined(_GLIBCPP_HAVE_GTHR_DEFAULT)
Chris@16: // linux on arm apparently doesn't define _REENTRANT
Chris@16: // so just turn on threading support whenever the std lib is thread safe:
Chris@16: #  define BOOST_HAS_THREADS
Chris@16: #endif
Chris@16: 
Chris@16: #if !defined(_GLIBCPP_USE_LONG_LONG) \
Chris@16:     && !defined(_GLIBCXX_USE_LONG_LONG)\
Chris@16:     && defined(BOOST_HAS_LONG_LONG)
Chris@16: // May have been set by compiler/*.hpp, but "long long" without library
Chris@16: // support is useless.
Chris@16: #  undef BOOST_HAS_LONG_LONG
Chris@16: #endif
Chris@16: 
Chris@16: // Apple doesn't seem to reliably defined a *unix* macro
Chris@16: #if !defined(CYGWIN) && (  defined(__unix__)  \
Chris@16:                         || defined(__unix)    \
Chris@16:                         || defined(unix)      \
Chris@16:                         || defined(__APPLE__) \
Chris@16:                         || defined(__APPLE)   \
Chris@16:                         || defined(APPLE))
Chris@16: #  include <unistd.h>
Chris@16: #endif
Chris@16: 
Chris@16: #if defined(__GLIBCXX__) || (defined(__GLIBCPP__) && __GLIBCPP__>=20020514) // GCC >= 3.1.0
Chris@16: #  define BOOST_STD_EXTENSION_NAMESPACE __gnu_cxx
Chris@16: #  define BOOST_HAS_SLIST
Chris@16: #  define BOOST_HAS_HASH
Chris@16: #  define BOOST_SLIST_HEADER <ext/slist>
Chris@16: # if !defined(__GNUC__) || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
Chris@16: #   define BOOST_HASH_SET_HEADER <ext/hash_set>
Chris@16: #   define BOOST_HASH_MAP_HEADER <ext/hash_map>
Chris@16: # else
Chris@16: #   define BOOST_HASH_SET_HEADER <backward/hash_set>
Chris@16: #   define BOOST_HASH_MAP_HEADER <backward/hash_map>
Chris@16: # endif
Chris@16: #endif
Chris@16: 
Chris@101: //
Chris@101: // Decide whether we have C++11 support turned on:
Chris@101: //
Chris@101: #if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103)
Chris@101: #  define BOOST_LIBSTDCXX11
Chris@101: #endif
Chris@101: //
Chris@101: //  Decide which version of libstdc++ we have, normally
Chris@16: //  stdlibc++ C++0x support is detected via __GNUC__, __GNUC_MINOR__, and possibly
Chris@16: //  __GNUC_PATCHLEVEL__ at the suggestion of Jonathan Wakely, one of the stdlibc++
Chris@16: //  developers. He also commented:
Chris@16: //
Chris@16: //       "I'm not sure how useful __GLIBCXX__ is for your purposes, for instance in
Chris@16: //       GCC 4.2.4 it is set to 20080519 but in GCC 4.3.0 it is set to 20080305.
Chris@16: //       Although 4.3.0 was released earlier than 4.2.4, it has better C++0x support
Chris@16: //       than any release in the 4.2 series."
Chris@16: //
Chris@16: //  Another resource for understanding stdlibc++ features is:
Chris@16: //  http://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#manual.intro.status.standard.200x
Chris@101: //
Chris@101: //  However, using the GCC version number fails when the compiler is clang since this
Chris@101: //  only ever claims to emulate GCC-4.2, see https://svn.boost.org/trac/boost/ticket/7473
Chris@101: //  for a long discussion on this issue.  What we can do though is use clang's __has_include
Chris@101: //  to detect the presence of a C++11 header that was introduced with a specific GCC release.
Chris@101: //  We still have to be careful though as many such headers were buggy and/or incomplete when
Chris@101: //  first introduced, so we only check for headers that were fully featured from day 1, and then
Chris@101: //  use that to infer the underlying GCC version:
Chris@101: //
Chris@101: #ifdef __clang__
Chris@101: 
Chris@101: #if __has_include(<experimental/any>)
Chris@101: #  define BOOST_LIBSTDCXX_VERSION 50000
Chris@101: #elif __has_include(<shared_mutex>)
Chris@101: #  define BOOST_LIBSTDCXX_VERSION 40900
Chris@101: #elif __has_include(<ext/cmath>)
Chris@101: #  define BOOST_LIBSTDCXX_VERSION 40800
Chris@101: #elif __has_include(<chrono>)
Chris@101: #  define BOOST_LIBSTDCXX_VERSION 40700
Chris@101: #elif __has_include(<typeindex>)
Chris@101: #  define BOOST_LIBSTDCXX_VERSION 40600
Chris@101: #elif __has_include(<future>)
Chris@101: #  define BOOST_LIBSTDCXX_VERSION 40500
Chris@101: #elif  __has_include(<ratio>)
Chris@101: #  define BOOST_LIBSTDCXX_VERSION 40400
Chris@101: #elif __has_include(<array>)
Chris@101: #  define BOOST_LIBSTDCXX_VERSION 40300
Chris@101: #endif
Chris@101: //
Chris@101: //  GCC 4.8 and 9 add working versions of <atomic> and <regex> respectively.
Chris@101: //  However, we have no test for these as the headers were present but broken
Chris@101: //  in early GCC versions.
Chris@101: //
Chris@101: #endif
Chris@101: 
Chris@101: #if defined(__SUNPRO_CC) && (__SUNPRO_CC >= 0x5130) && (__cplusplus >= 201103L)
Chris@101: //
Chris@101: // Oracle Solaris compiler uses it's own verison of libstdc++ but doesn't 
Chris@101: // set __GNUC__
Chris@101: //
Chris@101: #define BOOST_LIBSTDCXX_VERSION 40800
Chris@101: #endif
Chris@101: 
Chris@101: #if !defined(BOOST_LIBSTDCXX_VERSION)
Chris@101: #  define BOOST_LIBSTDCXX_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
Chris@101: #endif
Chris@16: 
Chris@16: //  C++0x headers in GCC 4.3.0 and later
Chris@16: //
Chris@101: #if (BOOST_LIBSTDCXX_VERSION < 40300) || !defined(BOOST_LIBSTDCXX11)
Chris@16: #  define BOOST_NO_CXX11_HDR_ARRAY
Chris@16: #  define BOOST_NO_CXX11_HDR_TUPLE
Chris@16: #  define BOOST_NO_CXX11_HDR_UNORDERED_MAP
Chris@16: #  define BOOST_NO_CXX11_HDR_UNORDERED_SET
Chris@16: #  define BOOST_NO_CXX11_HDR_FUNCTIONAL
Chris@16: #endif
Chris@16: 
Chris@16: //  C++0x headers in GCC 4.4.0 and later
Chris@16: //
Chris@101: #if (BOOST_LIBSTDCXX_VERSION < 40400) || !defined(BOOST_LIBSTDCXX11)
Chris@16: #  define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
Chris@16: #  define BOOST_NO_CXX11_HDR_FORWARD_LIST
Chris@16: #  define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
Chris@16: #  define BOOST_NO_CXX11_HDR_MUTEX
Chris@16: #  define BOOST_NO_CXX11_HDR_RATIO
Chris@16: #  define BOOST_NO_CXX11_HDR_SYSTEM_ERROR
Chris@16: #  define BOOST_NO_CXX11_SMART_PTR
Chris@16: #else
Chris@16: #  define BOOST_HAS_TR1_COMPLEX_INVERSE_TRIG 
Chris@16: #  define BOOST_HAS_TR1_COMPLEX_OVERLOADS 
Chris@16: #endif
Chris@16: 
Chris@16: //  C++0x features in GCC 4.5.0 and later
Chris@16: //
Chris@101: #if (BOOST_LIBSTDCXX_VERSION < 40500) || !defined(BOOST_LIBSTDCXX11)
Chris@16: #  define BOOST_NO_CXX11_NUMERIC_LIMITS
Chris@16: #  define BOOST_NO_CXX11_HDR_FUTURE
Chris@16: #  define BOOST_NO_CXX11_HDR_RANDOM
Chris@16: #endif
Chris@16: 
Chris@16: //  C++0x features in GCC 4.6.0 and later
Chris@16: //
Chris@101: #if (BOOST_LIBSTDCXX_VERSION < 40600) || !defined(BOOST_LIBSTDCXX11)
Chris@16: #  define BOOST_NO_CXX11_HDR_TYPEINDEX
Chris@101: #  define BOOST_NO_CXX11_ADDRESSOF
Chris@16: #endif
Chris@16: 
Chris@16: //  C++0x features in GCC 4.7.0 and later
Chris@16: //
Chris@101: #if (BOOST_LIBSTDCXX_VERSION < 40700) || !defined(BOOST_LIBSTDCXX11)
Chris@101: // Note that although <chrono> existed prior to 4.7, "steady_clock" is spelled "monotonic_clock"
Chris@16: // so 4.7.0 is the first truely conforming one.
Chris@16: #  define BOOST_NO_CXX11_HDR_CHRONO
Chris@16: #  define BOOST_NO_CXX11_ALLOCATOR
Chris@16: #endif
Chris@101: //  C++0x features in GCC 4.8.0 and later
Chris@101: //
Chris@101: #if (BOOST_LIBSTDCXX_VERSION < 40800) || !defined(BOOST_LIBSTDCXX11)
Chris@101: // Note that although <atomic> existed prior to gcc 4.8 it was largely unimplemented for many types:
Chris@101: #  define BOOST_NO_CXX11_HDR_ATOMIC
Chris@101: #  define BOOST_NO_CXX11_HDR_THREAD
Chris@101: #endif
Chris@101: #if (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11)
Chris@101: // Although <regex> is present and compilable against, the actual implementation is not functional
Chris@101: // even for the simplest patterns such as "\d" or "[0-9]". This is the case at least in gcc up to 4.8, inclusively.
Chris@101: #  define BOOST_NO_CXX11_HDR_REGEX
Chris@101: #endif
Chris@101: 
Chris@101: #if defined(__clang_major__) && ((__clang_major__ < 3) || ((__clang_major__ == 3) && (__clang_minor__ < 7)))
Chris@101: // As of clang-3.6, libstdc++ header <atomic> throws up errors with clang:
Chris@101: #  define BOOST_NO_CXX11_HDR_ATOMIC
Chris@101: #endif
Chris@101: 
Chris@16: //  C++0x headers not yet (fully!) implemented
Chris@16: //
Chris@16: #  define BOOST_NO_CXX11_HDR_TYPE_TRAITS
Chris@16: #  define BOOST_NO_CXX11_HDR_CODECVT
Chris@16: #  define BOOST_NO_CXX11_ATOMIC_SMART_PTR
Chris@101: #  define BOOST_NO_CXX11_STD_ALIGN
Chris@101: 
Chris@101: //
Chris@101: // Headers not present on Solaris with the Oracle compiler:
Chris@101: #if defined(__SUNPRO_CC)
Chris@101: #define BOOST_NO_CXX11_HDR_FUTURE
Chris@101: #define BOOST_NO_CXX11_HDR_FORWARD_LIST 
Chris@101: #define BOOST_NO_CXX11_HDR_ATOMIC
Chris@101: #endif
Chris@101: 
Chris@101: #if (!defined(_GLIBCXX_HAS_GTHREADS) || !defined(_GLIBCXX_USE_C99_STDINT_TR1))
Chris@101:    // Headers not always available:
Chris@101: #  ifndef BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
Chris@101: #     define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
Chris@101: #  endif
Chris@101: #  ifndef BOOST_NO_CXX11_HDR_MUTEX
Chris@101: #     define BOOST_NO_CXX11_HDR_MUTEX
Chris@101: #  endif
Chris@101: #  ifndef BOOST_NO_CXX11_HDR_THREAD
Chris@101: #     define BOOST_NO_CXX11_HDR_THREAD
Chris@101: #  endif
Chris@101: #endif
Chris@101: 
Chris@101: #if (!defined(_GTHREAD_USE_MUTEX_TIMEDLOCK) || (_GTHREAD_USE_MUTEX_TIMEDLOCK == 0)) && !defined(BOOST_NO_CXX11_HDR_MUTEX)
Chris@101: // Timed mutexes are not always available:
Chris@101: #  define BOOST_NO_CXX11_HDR_MUTEX
Chris@101: #endif
Chris@16: 
Chris@16: //  --- end ---