2021-02-28 00:45:09 +00:00
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// (C) Copyright Christopher Jefferson 2011.
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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 libc++
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// Might need more in here later.
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#if !defined(_LIBCPP_VERSION)
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# include <ciso646>
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# if !defined(_LIBCPP_VERSION)
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# error "This is not libc++!"
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# endif
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#endif
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#define BOOST_STDLIB "libc++ version " BOOST_STRINGIZE(_LIBCPP_VERSION)
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#define BOOST_HAS_THREADS
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#ifdef _LIBCPP_HAS_NO_VARIADICS
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# define BOOST_NO_CXX11_HDR_TUPLE
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#endif
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// BOOST_NO_CXX11_ALLOCATOR should imply no support for the C++11
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// allocator model. The C++11 allocator model requires a conforming
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// std::allocator_traits which is only possible with C++11 template
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// aliases since members rebind_alloc and rebind_traits require it.
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#if defined(_LIBCPP_HAS_NO_TEMPLATE_ALIASES)
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# define BOOST_NO_CXX11_ALLOCATOR
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# define BOOST_NO_CXX11_POINTER_TRAITS
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#endif
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#if __cplusplus < 201103
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//
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// These two appear to be somewhat useable in C++03 mode, there may be others...
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//
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//# define BOOST_NO_CXX11_HDR_ARRAY
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//# define BOOST_NO_CXX11_HDR_FORWARD_LIST
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# define BOOST_NO_CXX11_HDR_CODECVT
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# define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
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# define BOOST_NO_CXX11_HDR_EXCEPTION
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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_RANDOM
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# define BOOST_NO_CXX11_HDR_RATIO
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# define BOOST_NO_CXX11_HDR_REGEX
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# define BOOST_NO_CXX11_HDR_SYSTEM_ERROR
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# define BOOST_NO_CXX11_HDR_THREAD
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# define BOOST_NO_CXX11_HDR_TUPLE
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# define BOOST_NO_CXX11_HDR_TYPEINDEX
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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_NUMERIC_LIMITS
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# define BOOST_NO_CXX11_ALLOCATOR
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# define BOOST_NO_CXX11_POINTER_TRAITS
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# define BOOST_NO_CXX11_SMART_PTR
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# define BOOST_NO_CXX11_HDR_FUNCTIONAL
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# define BOOST_NO_CXX11_STD_ALIGN
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# define BOOST_NO_CXX11_ADDRESSOF
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# define BOOST_NO_CXX11_HDR_ATOMIC
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# define BOOST_NO_CXX11_ATOMIC_SMART_PTR
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# define BOOST_NO_CXX11_HDR_CHRONO
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# define BOOST_NO_CXX11_HDR_TYPE_TRAITS
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# define BOOST_NO_CXX11_HDR_FUTURE
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#elif _LIBCPP_VERSION < 3700
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//
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// These appear to be unusable/incomplete so far:
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//
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# define BOOST_NO_CXX11_HDR_ATOMIC
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# define BOOST_NO_CXX11_ATOMIC_SMART_PTR
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# define BOOST_NO_CXX11_HDR_CHRONO
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# define BOOST_NO_CXX11_HDR_TYPE_TRAITS
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# define BOOST_NO_CXX11_HDR_FUTURE
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#endif
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#if _LIBCPP_VERSION < 3700
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// libc++ uses a non-standard messages_base
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#define BOOST_NO_STD_MESSAGES
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#endif
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// C++14 features
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#if (_LIBCPP_VERSION < 3700) || (__cplusplus <= 201402L)
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# define BOOST_NO_CXX14_STD_EXCHANGE
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#endif
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// C++17 features
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#if (_LIBCPP_VERSION < 4000) || (__cplusplus <= 201402L)
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# define BOOST_NO_CXX17_STD_APPLY
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# define BOOST_NO_CXX17_HDR_OPTIONAL
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# define BOOST_NO_CXX17_HDR_STRING_VIEW
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# define BOOST_NO_CXX17_HDR_VARIANT
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#endif
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#if (_LIBCPP_VERSION > 4000) && (__cplusplus > 201402L) && !defined(_LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR)
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# define BOOST_NO_AUTO_PTR
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#endif
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#if (_LIBCPP_VERSION > 4000) && (__cplusplus > 201402L) && !defined(_LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE)
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# define BOOST_NO_CXX98_RANDOM_SHUFFLE
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#endif
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#if (_LIBCPP_VERSION > 4000) && (__cplusplus > 201402L) && !defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
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# define BOOST_NO_CXX98_BINDERS
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#endif
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#ifdef __has_include
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#if __has_include(<version>)
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2021-12-09 19:12:01 +00:00
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#include <version>
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2021-02-28 00:45:09 +00:00
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#if !defined(__cpp_lib_execution) || (__cpp_lib_execution < 201603L)
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# define BOOST_NO_CXX17_HDR_EXECUTION
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#endif
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#if !defined(__cpp_lib_invoke) || (__cpp_lib_invoke < 201411L)
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#define BOOST_NO_CXX17_STD_INVOKE
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#endif
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2021-12-09 19:12:01 +00:00
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#if !defined(__cpp_lib_bit_cast) || (__cpp_lib_bit_cast < 201806L) || !defined(__cpp_lib_bitops) || (__cpp_lib_bitops < 201907L) || !defined(__cpp_lib_endian) || (__cpp_lib_endian < 201907L)
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# define BOOST_NO_CXX20_HDR_BIT
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#endif
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#if !defined(__cpp_lib_three_way_comparison) || (__cpp_lib_three_way_comparison < 201907L)
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# define BOOST_NO_CXX20_HDR_COMPARE
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#endif
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#if !defined(__cpp_lib_ranges) || (__cpp_lib_ranges < 201911L)
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# define BOOST_NO_CXX20_HDR_RANGES
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#endif
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#if !defined(__cpp_lib_barrier) || (__cpp_lib_barrier < 201907L)
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# define BOOST_NO_CXX20_HDR_BARRIER
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#endif
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#if !defined(__cpp_lib_format) || (__cpp_lib_format < 201907L)
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# define BOOST_NO_CXX20_HDR_FORMAT
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#endif
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#if !defined(__cpp_lib_source_location) || (__cpp_lib_source_location < 201907L)
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# define BOOST_NO_CXX20_HDR_SOURCE_LOCATION
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#endif
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#if !defined(__cpp_lib_latch) || (__cpp_lib_latch < 201907L)
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# define BOOST_NO_CXX20_HDR_SOURCE_LATCH
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#endif
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#if !defined(__cpp_lib_span) || (__cpp_lib_span < 202002L)
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# define BOOST_NO_CXX20_HDR_SOURCE_SPAN
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#endif
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#if !defined(__cpp_lib_math_constants) || (__cpp_lib_math_constants < 201907L)
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# define BOOST_NO_CXX20_HDR_SOURCE_NUMBERS
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#endif
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#if !defined(__cpp_lib_jthread) || (__cpp_lib_jthread < 201911L)
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# define BOOST_NO_CXX20_HDR_SOURCE_STOP_TOKEN
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#endif
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#if !defined(__cpp_lib_concepts) || (__cpp_lib_concepts < 202002L)
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# define BOOST_NO_CXX20_HDR_SOURCE_STOP_CONCEPTS
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#endif
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#if !defined(__cpp_lib_syncbuf) || (__cpp_lib_syncbuf < 201803L)
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# define BOOST_NO_CXX20_HDR_SYNCSTREAM
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#endif
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#if !defined(__cpp_lib_coroutine) || (__cpp_lib_coroutine < 201902L)
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# define BOOST_NO_CXX20_HDR_COROUTINE
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#endif
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#if !defined(__cpp_lib_semaphore) || (__cpp_lib_semaphore < 201907L)
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# define BOOST_NO_CXX20_HDR_SEMAPHORE
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#endif
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#if !defined(__cpp_lib_concepts) || (__cpp_lib_concepts < 202002L)
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# define BOOST_NO_CXX20_HDR_CONCEPTS
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#endif
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#if(_LIBCPP_VERSION < 9000) && !defined(BOOST_NO_CXX20_HDR_SPAN)
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// as_writable_bytes is missing.
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# define BOOST_NO_CXX20_HDR_SPAN
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#endif
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2021-02-28 00:45:09 +00:00
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#else
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#define BOOST_NO_CXX17_STD_INVOKE // Invoke support is incomplete (no invoke_result)
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#define BOOST_NO_CXX17_HDR_EXECUTION
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#endif
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#else
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#define BOOST_NO_CXX17_STD_INVOKE // Invoke support is incomplete (no invoke_result)
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#define BOOST_NO_CXX17_HDR_EXECUTION
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#endif
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#if _LIBCPP_VERSION < 10000 // What's the correct version check here?
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#define BOOST_NO_CXX17_ITERATOR_TRAITS
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#endif
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#if (_LIBCPP_VERSION <= 1101) && !defined(BOOST_NO_CXX11_THREAD_LOCAL)
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// This is a bit of a sledgehammer, because really it's just libc++abi that has no
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// support for thread_local, leading to linker errors such as
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// "undefined reference to `__cxa_thread_atexit'". It is fixed in the
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// most recent releases of libc++abi though...
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# define BOOST_NO_CXX11_THREAD_LOCAL
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#endif
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#if defined(__linux__) && (_LIBCPP_VERSION < 6000) && !defined(BOOST_NO_CXX11_THREAD_LOCAL)
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// After libc++-dev is installed on Trusty, clang++-libc++ almost works,
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// except uses of `thread_local` fail with undefined reference to
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// `__cxa_thread_atexit`.
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//
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// clang's libc++abi provides an implementation by deferring to the glibc
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// implementation, which may or may not be available (it is not on Trusty).
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// clang 4's libc++abi will provide an implementation if one is not in glibc
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// though, so thread local support should work with clang 4 and above as long
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// as libc++abi is linked in.
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# define BOOST_NO_CXX11_THREAD_LOCAL
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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
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# define BOOST_NO_CXX14_HDR_SHARED_MUTEX
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#endif
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#if !defined(BOOST_NO_CXX14_HDR_SHARED_MUTEX) && (_LIBCPP_VERSION < 5000)
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# define BOOST_NO_CXX14_HDR_SHARED_MUTEX
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#endif
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// --- end ---
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