181 lines
4.6 KiB
C++
181 lines
4.6 KiB
C++
// (C) Copyright Douglas Gregor 2010
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//
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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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// Clang compiler setup.
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#define BOOST_HAS_PRAGMA_ONCE
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#if !__has_feature(cxx_exceptions) && !defined(BOOST_NO_EXCEPTIONS)
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# define BOOST_NO_EXCEPTIONS
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#endif
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#if !__has_feature(cxx_rtti) && !defined(BOOST_NO_RTTI)
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# define BOOST_NO_RTTI
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#endif
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#if !__has_feature(cxx_rtti) && !defined(BOOST_NO_TYPEID)
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# define BOOST_NO_TYPEID
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#endif
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#if defined(__int64) && !defined(__GNUC__)
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# define BOOST_HAS_MS_INT64
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#endif
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#define BOOST_HAS_NRVO
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// Branch prediction hints
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#if defined(__has_builtin)
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#if __has_builtin(__builtin_expect)
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#define BOOST_LIKELY(x) __builtin_expect(x, 1)
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#define BOOST_UNLIKELY(x) __builtin_expect(x, 0)
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#endif
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#endif
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// Clang supports "long long" in all compilation modes.
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#define BOOST_HAS_LONG_LONG
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//
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// Dynamic shared object (DSO) and dynamic-link library (DLL) support
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//
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#if !defined(_WIN32) && !defined(__WIN32__) && !defined(WIN32)
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# define BOOST_SYMBOL_EXPORT __attribute__((__visibility__("default")))
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# define BOOST_SYMBOL_IMPORT
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# define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default")))
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#endif
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//
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// The BOOST_FALLTHROUGH macro can be used to annotate implicit fall-through
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// between switch labels.
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//
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#if __cplusplus >= 201103L && defined(__has_warning)
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# if __has_feature(cxx_attributes) && __has_warning("-Wimplicit-fallthrough")
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# define BOOST_FALLTHROUGH [[clang::fallthrough]]
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# endif
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#endif
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#if !__has_feature(cxx_auto_type)
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# define BOOST_NO_CXX11_AUTO_DECLARATIONS
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# define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
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#endif
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#if !(defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L)
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# define BOOST_NO_CXX11_CHAR16_T
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# define BOOST_NO_CXX11_CHAR32_T
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#endif
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#if !__has_feature(cxx_constexpr)
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# define BOOST_NO_CXX11_CONSTEXPR
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#endif
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#if !__has_feature(cxx_decltype)
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# define BOOST_NO_CXX11_DECLTYPE
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#endif
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#if !__has_feature(cxx_decltype_incomplete_return_types)
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# define BOOST_NO_CXX11_DECLTYPE_N3276
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#endif
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#if !__has_feature(cxx_defaulted_functions)
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# define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
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#endif
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#if !__has_feature(cxx_deleted_functions)
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# define BOOST_NO_CXX11_DELETED_FUNCTIONS
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#endif
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#if !__has_feature(cxx_explicit_conversions)
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# define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
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#endif
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#if !__has_feature(cxx_default_function_template_args)
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# define BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
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#endif
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#if !__has_feature(cxx_generalized_initializers)
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# define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
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#endif
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#if !__has_feature(cxx_lambdas)
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# define BOOST_NO_CXX11_LAMBDAS
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#endif
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#if !__has_feature(cxx_local_type_template_args)
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# define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
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#endif
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#if !__has_feature(cxx_noexcept)
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# define BOOST_NO_CXX11_NOEXCEPT
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#endif
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#if !__has_feature(cxx_nullptr)
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# define BOOST_NO_CXX11_NULLPTR
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#endif
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#if !__has_feature(cxx_range_for)
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# define BOOST_NO_CXX11_RANGE_BASED_FOR
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#endif
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#if !__has_feature(cxx_raw_string_literals)
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# define BOOST_NO_CXX11_RAW_LITERALS
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#endif
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#if !__has_feature(cxx_generalized_initializers)
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# define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
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#endif
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#if !__has_feature(cxx_rvalue_references)
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# define BOOST_NO_CXX11_RVALUE_REFERENCES
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#endif
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#if !__has_feature(cxx_strong_enums)
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# define BOOST_NO_CXX11_SCOPED_ENUMS
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#endif
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#if !__has_feature(cxx_static_assert)
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# define BOOST_NO_CXX11_STATIC_ASSERT
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#endif
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#if !__has_feature(cxx_alias_templates)
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# define BOOST_NO_CXX11_TEMPLATE_ALIASES
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#endif
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#if !__has_feature(cxx_unicode_literals)
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# define BOOST_NO_CXX11_UNICODE_LITERALS
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#endif
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#if !__has_feature(cxx_variadic_templates)
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# define BOOST_NO_CXX11_VARIADIC_TEMPLATES
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#endif
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#if !__has_feature(cxx_user_literals)
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# define BOOST_NO_CXX11_USER_DEFINED_LITERALS
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#endif
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#if !(__has_feature(cxx_alignas) || __has_extension(cxx_alignas))
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# define BOOST_NO_CXX11_ALIGNAS
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#endif
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#if !__has_feature(cxx_trailing_return)
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# define BOOST_NO_CXX11_TRAILING_RESULT_TYPES
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#endif
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#if !__has_feature(cxx_inline_namespaces)
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# define BOOST_NO_CXX11_INLINE_NAMESPACES
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#endif
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// Clang always supports variadic macros
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// Clang always supports extern templates
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#ifndef BOOST_COMPILER
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# define BOOST_COMPILER "Clang version " __clang_version__
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#endif
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// Macro used to identify the Clang compiler.
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#define BOOST_CLANG 1
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