2 //===--------------------------- __config ---------------------------------===//
4 // The LLVM Compiler Infrastructure
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
9 //===----------------------------------------------------------------------===//
11 #ifndef _LIBCPP_CONFIG
12 #define _LIBCPP_CONFIG
14 #if defined(_MSC_VER) && !defined(__clang__)
15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16 #define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
20 #ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
21 #pragma GCC system_header
27 #define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__)
28 // The _GNUC_VER_NEW macro better represents the new GCC versioning scheme
29 // introduced in GCC 5.0.
30 #define _GNUC_VER_NEW (_GNUC_VER * 10 + __GNUC_PATCHLEVEL__)
33 #define _GNUC_VER_NEW 0
36 #define _LIBCPP_VERSION 5000
38 #ifndef _LIBCPP_ABI_VERSION
39 #define _LIBCPP_ABI_VERSION 1
43 #define _LIBCPP_OBJECT_FORMAT_ELF 1
44 #elif defined(__MACH__)
45 #define _LIBCPP_OBJECT_FORMAT_MACHO 1
47 #define _LIBCPP_OBJECT_FORMAT_COFF 1
49 #error Unknown object file format
52 #if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2
53 // Change short string representation so that string data starts at offset 0,
54 // improving its alignment in some cases.
55 #define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
56 // Fix deque iterator type in order to support incomplete types.
57 #define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE
58 // Fix undefined behavior in how std::list stores it's linked nodes.
59 #define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB
60 // Fix undefined behavior in how __tree stores its end and parent nodes.
61 #define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB
62 // Fix undefined behavior in how __hash_table stores it's pointer types
63 #define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB
64 #define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB
65 #define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE
66 // Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr
67 // provided under the alternate keyword __nullptr, which changes the mangling
68 // of nullptr_t. This option is ABI incompatible with GCC in C++03 mode.
69 #define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR
70 // Define the `pointer_safety` enum as a C++11 strongly typed enumeration
71 // instead of as a class simulating an enum. If this option is enabled
72 // `pointer_safety` and `get_pointer_safety()` will no longer be available
74 #define _LIBCPP_ABI_POINTER_SAFETY_ENUM_TYPE
75 // Define a key function for `bad_function_call` in the library, to centralize
76 // its vtable and typeinfo to libc++ rather than having all other libraries
77 // using that class define their own copies.
78 #define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
80 // Enable optimized version of __do_get_(un)signed which avoids redundant copies.
81 #define _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET
82 #elif _LIBCPP_ABI_VERSION == 1
83 #if !defined(_LIBCPP_OBJECT_FORMAT_COFF)
84 // Enable compiling copies of now inline methods into the dylib to support
85 // applications compiled against older libraries. This is unnecessary with
86 // COFF dllexport semantics, since dllexport forces a non-inline definition
87 // of inline functions to be emitted anyway. Our own non-inline copy would
88 // conflict with the dllexport-emitted copy, so we disable it.
89 #define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS
91 // Feature macros for disabling pre ABI v1 features. All of these options
93 #if defined(__FreeBSD__)
94 #define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR
98 #ifdef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR
99 #error "_LIBCPP_TRIVIAL_PAIR_COPY_CTOR" is no longer supported. \
100 use _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR instead
103 #define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y
104 #define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y)
106 #define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION)
108 #if __cplusplus < 201103L
109 #define _LIBCPP_CXX03_LANG
112 #ifndef __has_attribute
113 #define __has_attribute(__x) 0
115 #ifndef __has_builtin
116 #define __has_builtin(__x) 0
118 #ifndef __has_extension
119 #define __has_extension(__x) 0
121 #ifndef __has_feature
122 #define __has_feature(__x) 0
124 // '__is_identifier' returns '0' if '__x' is a reserved identifier provided by
125 // the compiler and '1' otherwise.
126 #ifndef __is_identifier
127 #define __is_identifier(__x) 1
129 #ifndef __has_declspec_attribute
130 #define __has_declspec_attribute(__x) 0
133 #define __has_keyword(__x) !(__is_identifier(__x))
136 #define __libcpp_has_include(__x) __has_include(__x)
138 #define __libcpp_has_include(__x) 0
141 #if defined(__clang__)
142 #define _LIBCPP_COMPILER_CLANG
143 # ifndef __apple_build_version__
144 # define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__)
146 #elif defined(__GNUC__)
147 #define _LIBCPP_COMPILER_GCC
148 #elif defined(_MSC_VER)
149 #define _LIBCPP_COMPILER_MSVC
150 #elif defined(__IBMCPP__)
151 #define _LIBCPP_COMPILER_IBM
154 #ifndef _LIBCPP_CLANG_VER
155 #define _LIBCPP_CLANG_VER 0
158 // FIXME: ABI detection should be done via compiler builtin macros. This
159 // is just a placeholder until Clang implements such macros. For now assume
160 // that Windows compilers pretending to be MSVC++ target the microsoft ABI.
161 #if defined(_WIN32) && defined(_MSC_VER)
162 # define _LIBCPP_ABI_MICROSOFT
164 # define _LIBCPP_ABI_ITANIUM
167 // Need to detect which libc we're using if we're on Linux.
168 #if defined(__linux__)
169 #include <features.h>
170 #if !defined(__GLIBC_PREREQ)
171 #define __GLIBC_PREREQ(a, b) 0
172 #endif // !defined(__GLIBC_PREREQ)
173 #endif // defined(__linux__)
175 #ifdef __LITTLE_ENDIAN__
176 #if __LITTLE_ENDIAN__
177 #define _LIBCPP_LITTLE_ENDIAN 1
178 #define _LIBCPP_BIG_ENDIAN 0
179 #endif // __LITTLE_ENDIAN__
180 #endif // __LITTLE_ENDIAN__
182 #ifdef __BIG_ENDIAN__
184 #define _LIBCPP_LITTLE_ENDIAN 0
185 #define _LIBCPP_BIG_ENDIAN 1
186 #endif // __BIG_ENDIAN__
187 #endif // __BIG_ENDIAN__
189 #ifdef __BYTE_ORDER__
190 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
191 #define _LIBCPP_LITTLE_ENDIAN 1
192 #define _LIBCPP_BIG_ENDIAN 0
193 #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
194 #define _LIBCPP_LITTLE_ENDIAN 0
195 #define _LIBCPP_BIG_ENDIAN 1
196 #endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
197 #endif // __BYTE_ORDER__
200 # include <sys/endian.h>
201 # if _BYTE_ORDER == _LITTLE_ENDIAN
202 # define _LIBCPP_LITTLE_ENDIAN 1
203 # define _LIBCPP_BIG_ENDIAN 0
204 # else // _BYTE_ORDER == _LITTLE_ENDIAN
205 # define _LIBCPP_LITTLE_ENDIAN 0
206 # define _LIBCPP_BIG_ENDIAN 1
207 # endif // _BYTE_ORDER == _LITTLE_ENDIAN
208 # ifndef __LONG_LONG_SUPPORTED
209 # define _LIBCPP_HAS_NO_LONG_LONG
210 # endif // __LONG_LONG_SUPPORTED
211 #endif // __FreeBSD__
214 # include <sys/endian.h>
215 # if _BYTE_ORDER == _LITTLE_ENDIAN
216 # define _LIBCPP_LITTLE_ENDIAN 1
217 # define _LIBCPP_BIG_ENDIAN 0
218 # else // _BYTE_ORDER == _LITTLE_ENDIAN
219 # define _LIBCPP_LITTLE_ENDIAN 0
220 # define _LIBCPP_BIG_ENDIAN 1
221 # endif // _BYTE_ORDER == _LITTLE_ENDIAN
222 # define _LIBCPP_HAS_QUICK_EXIT
226 # define _LIBCPP_WIN32API
227 # define _LIBCPP_LITTLE_ENDIAN 1
228 # define _LIBCPP_BIG_ENDIAN 0
229 # define _LIBCPP_SHORT_WCHAR 1
230 // Both MinGW and native MSVC provide a "MSVC"-like enviroment
231 # define _LIBCPP_MSVCRT_LIKE
232 // If mingw not explicitly detected, assume using MS C runtime only.
234 # define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
236 # if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__))
237 # define _LIBCPP_HAS_BITSCAN64
239 # if defined(_LIBCPP_MSVCRT)
240 # define _LIBCPP_HAS_QUICK_EXIT
243 // Some CRT APIs are unavailable to store apps
244 #if defined(WINAPI_FAMILY)
245 #include <winapifamily.h>
246 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && \
247 (!defined(WINAPI_PARTITION_SYSTEM) || \
248 !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_SYSTEM))
249 #define _LIBCPP_WINDOWS_STORE_APP
252 #endif // defined(_WIN32)
255 # include <sys/isa_defs.h>
256 # ifdef _LITTLE_ENDIAN
257 # define _LIBCPP_LITTLE_ENDIAN 1
258 # define _LIBCPP_BIG_ENDIAN 0
260 # define _LIBCPP_LITTLE_ENDIAN 0
261 # define _LIBCPP_BIG_ENDIAN 1
265 #if defined(__CloudABI__)
266 // Certain architectures provide arc4random(). Prefer using
267 // arc4random() over /dev/{u,}random to make it possible to obtain
268 // random data even when using sandboxing mechanisms such as chroots,
270 # define _LIBCPP_USING_ARC4_RANDOM
271 #elif defined(__native_client__)
272 // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access,
273 // including accesses to the special files under /dev. C++11's
274 // std::random_device is instead exposed through a NaCl syscall.
275 # define _LIBCPP_USING_NACL_RANDOM
276 #elif defined(_LIBCPP_WIN32API)
277 # define _LIBCPP_USING_WIN32_RANDOM
279 # define _LIBCPP_USING_DEV_RANDOM
282 #if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
284 # if __BYTE_ORDER == __LITTLE_ENDIAN
285 # define _LIBCPP_LITTLE_ENDIAN 1
286 # define _LIBCPP_BIG_ENDIAN 0
287 # elif __BYTE_ORDER == __BIG_ENDIAN
288 # define _LIBCPP_LITTLE_ENDIAN 0
289 # define _LIBCPP_BIG_ENDIAN 1
290 # else // __BYTE_ORDER == __BIG_ENDIAN
291 # error unable to determine endian
293 #endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
295 #if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC)
296 #define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi")))
298 #define _LIBCPP_NO_CFI
301 #if defined(_LIBCPP_COMPILER_CLANG)
303 // _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for
304 // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility.
305 #if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \
306 (!defined(__arm__) || __ARM_ARCH_7K__ >= 2)) || \
307 defined(_LIBCPP_ALTERNATE_STRING_LAYOUT)
308 #define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
311 #if __has_feature(cxx_alignas)
312 # define _ALIGNAS_TYPE(x) alignas(x)
313 # define _ALIGNAS(x) alignas(x)
315 # define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
316 # define _ALIGNAS(x) __attribute__((__aligned__(x)))
319 #if __cplusplus < 201103L
320 typedef __char16_t char16_t;
321 typedef __char32_t char32_t;
324 #if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS)
325 #define _LIBCPP_NO_EXCEPTIONS
328 #if !(__has_feature(cxx_rtti)) && !defined(_LIBCPP_NO_RTTI)
329 #define _LIBCPP_NO_RTTI
332 #if !(__has_feature(cxx_strong_enums))
333 #define _LIBCPP_HAS_NO_STRONG_ENUMS
336 #if !(__has_feature(cxx_decltype))
337 #define _LIBCPP_HAS_NO_DECLTYPE
340 #if __has_feature(cxx_attributes)
341 # define _LIBCPP_NORETURN [[noreturn]]
343 # define _LIBCPP_NORETURN __attribute__ ((noreturn))
346 #if !(__has_feature(cxx_lambdas))
347 #define _LIBCPP_HAS_NO_LAMBDAS
350 #if !(__has_feature(cxx_nullptr))
351 # if (__has_extension(cxx_nullptr) || __has_keyword(__nullptr)) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR)
352 # define nullptr __nullptr
354 # define _LIBCPP_HAS_NO_NULLPTR
358 #if !(__has_feature(cxx_rvalue_references))
359 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES
362 #if !(__has_feature(cxx_auto_type))
363 #define _LIBCPP_HAS_NO_AUTO_TYPE
366 #if !(__has_feature(cxx_variadic_templates))
367 #define _LIBCPP_HAS_NO_VARIADICS
370 #if !(__has_feature(cxx_generalized_initializers))
371 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
374 #if __has_feature(is_base_of)
375 # define _LIBCPP_HAS_IS_BASE_OF
378 #if __has_feature(is_final)
379 # define _LIBCPP_HAS_IS_FINAL
382 // Objective-C++ features (opt-in)
383 #if __has_feature(objc_arc)
384 #define _LIBCPP_HAS_OBJC_ARC
387 #if __has_feature(objc_arc_weak)
388 #define _LIBCPP_HAS_OBJC_ARC_WEAK
391 #if !(__has_feature(cxx_constexpr))
392 #define _LIBCPP_HAS_NO_CONSTEXPR
395 #if !(__has_feature(cxx_relaxed_constexpr))
396 #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
399 #if !(__has_feature(cxx_variable_templates))
400 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
403 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
404 #if defined(__FreeBSD__)
405 #define _LIBCPP_HAS_QUICK_EXIT
406 #define _LIBCPP_HAS_C11_FEATURES
407 #elif defined(__Fuchsia__)
408 #define _LIBCPP_HAS_QUICK_EXIT
409 #define _LIBCPP_HAS_C11_FEATURES
410 #elif defined(__linux__)
411 #if !defined(_LIBCPP_HAS_MUSL_LIBC)
412 #if __GLIBC_PREREQ(2, 15) || defined(__BIONIC__)
413 #define _LIBCPP_HAS_QUICK_EXIT
415 #if __GLIBC_PREREQ(2, 17)
416 #define _LIBCPP_HAS_C11_FEATURES
418 #else // defined(_LIBCPP_HAS_MUSL_LIBC)
419 #define _LIBCPP_HAS_QUICK_EXIT
420 #define _LIBCPP_HAS_C11_FEATURES
425 #if !(__has_feature(cxx_noexcept))
426 #define _LIBCPP_HAS_NO_NOEXCEPT
429 #if __has_feature(underlying_type)
430 # define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
433 #if __has_feature(is_literal)
434 # define _LIBCPP_IS_LITERAL(T) __is_literal(T)
437 // Inline namespaces are available in Clang regardless of C++ dialect.
438 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
439 #define _LIBCPP_END_NAMESPACE_STD } }
440 #define _VSTD std::_LIBCPP_NAMESPACE
443 inline namespace _LIBCPP_NAMESPACE {
447 #if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer)
448 #define _LIBCPP_HAS_NO_ASAN
451 // Allow for build-time disabling of unsigned integer sanitization
452 #if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize)
453 #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow")))
456 #elif defined(_LIBCPP_COMPILER_GCC)
458 #define _ALIGNAS(x) __attribute__((__aligned__(x)))
459 #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
461 #define _LIBCPP_NORETURN __attribute__((noreturn))
464 #define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
465 #define _LIBCPP_IS_LITERAL(T) __is_literal_type(T)
466 #define _LIBCPP_HAS_IS_FINAL
469 #if defined(__GNUC__) && _GNUC_VER >= 403
470 # define _LIBCPP_HAS_IS_BASE_OF
474 #define _LIBCPP_NO_EXCEPTIONS
477 // constexpr was added to GCC in 4.6.
479 #define _LIBCPP_HAS_NO_CONSTEXPR
480 // Can only use constexpr in c++11 mode.
481 #elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L
482 #define _LIBCPP_HAS_NO_CONSTEXPR
485 // Determine if GCC supports relaxed constexpr
486 #if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L
487 #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
490 // GCC 5 will support variable templates
491 #if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L
492 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
495 #ifndef __GXX_EXPERIMENTAL_CXX0X__
496 #define _LIBCPP_HAS_NO_DECLTYPE
497 #define _LIBCPP_HAS_NO_NULLPTR
498 #define _LIBCPP_HAS_NO_UNICODE_CHARS
499 #define _LIBCPP_HAS_NO_VARIADICS
500 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES
501 #define _LIBCPP_HAS_NO_STRONG_ENUMS
502 #define _LIBCPP_HAS_NO_NOEXCEPT
504 #else // __GXX_EXPERIMENTAL_CXX0X__
507 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES
512 #define _LIBCPP_HAS_NO_DECLTYPE
513 #define _LIBCPP_HAS_NO_UNICODE_CHARS
514 #define _LIBCPP_HAS_NO_VARIADICS
515 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
516 #endif // _GNUC_VER < 404
519 #define _LIBCPP_HAS_NO_NOEXCEPT
520 #define _LIBCPP_HAS_NO_NULLPTR
523 #endif // __GXX_EXPERIMENTAL_CXX0X__
525 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_NAMESPACE {
526 #define _LIBCPP_END_NAMESPACE_STD } }
527 #define _VSTD std::_LIBCPP_NAMESPACE
530 inline namespace _LIBCPP_NAMESPACE {
534 #if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__)
535 #define _LIBCPP_HAS_NO_ASAN
538 #elif defined(_LIBCPP_COMPILER_MSVC)
540 #define _LIBCPP_TOSTRING2(x) #x
541 #define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
542 #define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x))
545 #error "MSVC versions prior to Visual Studio 2015 are not supported"
548 #define _LIBCPP_HAS_IS_BASE_OF
549 #define _LIBCPP_HAS_NO_CONSTEXPR
550 #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
551 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
553 #define _LIBCPP_HAS_NO_UNICODE_CHARS
555 #define _LIBCPP_HAS_NO_NOEXCEPT
556 #define __alignof__ __alignof
557 #define _LIBCPP_NORETURN __declspec(noreturn)
558 #define _ALIGNAS(x) __declspec(align(x))
559 #define _LIBCPP_HAS_NO_VARIADICS
561 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
562 #define _LIBCPP_END_NAMESPACE_STD }
565 # define _LIBCPP_WEAK
569 #define _LIBCPP_HAS_NO_ASAN
571 #elif defined(_LIBCPP_COMPILER_IBM)
573 #define _ALIGNAS(x) __attribute__((__aligned__(x)))
574 #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
575 #define _ATTRIBUTE(x) __attribute__((x))
576 #define _LIBCPP_NORETURN __attribute__((noreturn))
578 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
579 #define _LIBCPP_HAS_NO_NOEXCEPT
580 #define _LIBCPP_HAS_NO_NULLPTR
581 #define _LIBCPP_HAS_NO_UNICODE_CHARS
582 #define _LIBCPP_HAS_IS_BASE_OF
583 #define _LIBCPP_HAS_IS_FINAL
584 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
587 #define __MULTILOCALE_API
590 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
591 #define _LIBCPP_END_NAMESPACE_STD } }
592 #define _VSTD std::_LIBCPP_NAMESPACE
595 inline namespace _LIBCPP_NAMESPACE {
599 #define _LIBCPP_HAS_NO_ASAN
601 #endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM]
603 #if defined(_LIBCPP_OBJECT_FORMAT_COFF)
604 #if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
605 # define _LIBCPP_DLL_VIS
606 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
607 # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
608 # define _LIBCPP_OVERRIDABLE_FUNC_VIS
609 #elif defined(_LIBCPP_BUILDING_LIBRARY)
610 # define _LIBCPP_DLL_VIS __declspec(dllexport)
611 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
612 # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS
613 # define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS
615 # define _LIBCPP_DLL_VIS __declspec(dllimport)
616 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS
617 # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
618 # define _LIBCPP_OVERRIDABLE_FUNC_VIS
621 #define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS
622 #define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS
623 #define _LIBCPP_EXTERN_VIS _LIBCPP_DLL_VIS
624 #define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS
625 #define _LIBCPP_HIDDEN
626 #define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
627 #define _LIBCPP_TEMPLATE_VIS
628 #define _LIBCPP_FUNC_VIS_ONLY
629 #define _LIBCPP_ENUM_VIS
631 #if defined(_LIBCPP_COMPILER_MSVC)
632 # define _LIBCPP_INLINE_VISIBILITY __forceinline
633 # define _LIBCPP_ALWAYS_INLINE __forceinline
634 # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __forceinline
636 # define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
637 # define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
638 # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__ ((__always_inline__))
640 #endif // defined(_LIBCPP_OBJECT_FORMAT_COFF)
642 #ifndef _LIBCPP_HIDDEN
643 #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
644 #define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
646 #define _LIBCPP_HIDDEN
650 #ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
651 #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
652 // The inline should be removed once PR32114 is resolved
653 #define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN
655 #define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
659 #ifndef _LIBCPP_FUNC_VIS
660 #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
661 #define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default")))
663 #define _LIBCPP_FUNC_VIS
667 #ifndef _LIBCPP_TYPE_VIS
668 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
669 # define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default")))
671 # define _LIBCPP_TYPE_VIS
675 #ifndef _LIBCPP_TEMPLATE_VIS
676 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
677 # if __has_attribute(__type_visibility__)
678 # define _LIBCPP_TEMPLATE_VIS __attribute__ ((__type_visibility__("default")))
680 # define _LIBCPP_TEMPLATE_VIS __attribute__ ((__visibility__("default")))
683 # define _LIBCPP_TEMPLATE_VIS
687 #ifndef _LIBCPP_FUNC_VIS_ONLY
688 # define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS
691 #ifndef _LIBCPP_EXTERN_VIS
692 # define _LIBCPP_EXTERN_VIS
695 #ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS
696 # define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS
699 #ifndef _LIBCPP_EXCEPTION_ABI
700 #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
701 #define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
703 #define _LIBCPP_EXCEPTION_ABI
707 #ifndef _LIBCPP_ENUM_VIS
708 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
709 # define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default")))
711 # define _LIBCPP_ENUM_VIS
715 #ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
716 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
717 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default")))
719 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
723 #ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
724 # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
727 #ifndef _LIBCPP_INLINE_VISIBILITY
728 #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
729 #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
731 #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
735 #ifndef _LIBCPP_ALWAYS_INLINE
736 #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
737 #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__))
739 #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
743 #ifndef _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY
744 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
745 # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__visibility__("default"), __always_inline__))
747 # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__always_inline__))
751 #ifndef _LIBCPP_PREFERRED_OVERLOAD
752 # if __has_attribute(__enable_if__)
753 # define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, "")))
757 #ifndef _LIBCPP_HAS_NO_NOEXCEPT
758 # define _NOEXCEPT noexcept
759 # define _NOEXCEPT_(x) noexcept(x)
761 # define _NOEXCEPT throw()
762 # define _NOEXCEPT_(x)
765 #if defined(_LIBCPP_DEBUG_USE_EXCEPTIONS)
766 # if !defined(_LIBCPP_DEBUG)
767 # error cannot use _LIBCPP_DEBUG_USE_EXCEPTIONS unless _LIBCPP_DEBUG is defined
769 # define _NOEXCEPT_DEBUG noexcept(false)
770 # define _NOEXCEPT_DEBUG_(x) noexcept(false)
772 # define _NOEXCEPT_DEBUG _NOEXCEPT
773 # define _NOEXCEPT_DEBUG_(x) _NOEXCEPT_(x)
776 #ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
777 typedef unsigned short char16_t;
778 typedef unsigned int char32_t;
779 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS
781 #ifndef __SIZEOF_INT128__
782 #define _LIBCPP_HAS_NO_INT128
785 #ifdef _LIBCPP_CXX03_LANG
786 # if __has_extension(c_static_assert)
787 # define static_assert(__b, __m) _Static_assert(__b, __m)
790 template <bool> struct __static_assert_test;
791 template <> struct __static_assert_test<true> {};
792 template <unsigned> struct __static_assert_check {};
794 #define static_assert(__b, __m) \
795 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
796 _LIBCPP_CONCAT(__t, __LINE__)
797 # endif // __has_extension(c_static_assert)
798 #endif // _LIBCPP_CXX03_LANG
800 #ifdef _LIBCPP_HAS_NO_DECLTYPE
801 // GCC 4.6 provides __decltype in all standard modes.
802 #if __has_keyword(__decltype) || _LIBCPP_CLANG_VER >= 304 || _GNUC_VER >= 406
803 # define decltype(__x) __decltype(__x)
805 # define decltype(__x) __typeof__(__x)
809 #ifdef _LIBCPP_HAS_NO_CONSTEXPR
810 #define _LIBCPP_CONSTEXPR
812 #define _LIBCPP_CONSTEXPR constexpr
815 #ifdef _LIBCPP_CXX03_LANG
816 #define _LIBCPP_DEFAULT {}
818 #define _LIBCPP_DEFAULT = default;
821 #ifdef _LIBCPP_CXX03_LANG
822 #define _LIBCPP_EQUAL_DELETE
824 #define _LIBCPP_EQUAL_DELETE = delete
828 #define _NOALIAS __attribute__((__malloc__))
833 #if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \
834 (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions
835 # define _LIBCPP_EXPLICIT explicit
837 # define _LIBCPP_EXPLICIT
840 #if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete)
841 # define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE
844 #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
845 #define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx
846 #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
848 _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \
849 _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \
850 _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \
852 #else // _LIBCPP_HAS_NO_STRONG_ENUMS
853 #define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x
854 #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
855 #endif // _LIBCPP_HAS_NO_STRONG_ENUMS
858 # if _LIBCPP_DEBUG == 0
859 # define _LIBCPP_DEBUG_LEVEL 1
860 # elif _LIBCPP_DEBUG == 1
861 # define _LIBCPP_DEBUG_LEVEL 2
863 # error Supported values for _LIBCPP_DEBUG are 0 and 1
865 # if !defined(_LIBCPP_BUILDING_LIBRARY)
866 # define _LIBCPP_EXTERN_TEMPLATE(...)
870 #ifdef _LIBCPP_DISABLE_EXTERN_TEMPLATE
871 #define _LIBCPP_EXTERN_TEMPLATE(...)
872 #define _LIBCPP_EXTERN_TEMPLATE2(...)
875 #ifndef _LIBCPP_EXTERN_TEMPLATE
876 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
879 #ifndef _LIBCPP_EXTERN_TEMPLATE2
880 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
883 #if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__)
884 #define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63)
887 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT) || \
888 defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__)
889 #define _LIBCPP_LOCALE__L_EXTENSIONS 1
892 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
893 // Most unix variants have catopen. These are the specific ones that don't.
894 #if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION)
895 #define _LIBCPP_HAS_CATOPEN 1
900 #define _DECLARE_C99_LDBL_MATH 1
903 #if defined(__APPLE__)
904 # if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \
905 defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
906 # define __MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
908 # if defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
909 # if __MAC_OS_X_VERSION_MIN_REQUIRED < 1060
910 # define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION
913 #endif // defined(__APPLE__)
915 #if defined(__APPLE__) || defined(__FreeBSD__)
916 #define _LIBCPP_HAS_DEFAULTRUNELOCALE
919 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
920 #define _LIBCPP_WCTYPE_IS_MASK
923 #ifndef _LIBCPP_STD_VER
924 # if __cplusplus <= 201103L
925 # define _LIBCPP_STD_VER 11
926 # elif __cplusplus <= 201402L
927 # define _LIBCPP_STD_VER 14
929 # define _LIBCPP_STD_VER 16 // current year, or date of c++17 ratification
931 #endif // _LIBCPP_STD_VER
933 #if _LIBCPP_STD_VER > 11
934 #define _LIBCPP_DEPRECATED [[deprecated]]
936 #define _LIBCPP_DEPRECATED
939 #if _LIBCPP_STD_VER <= 11
940 #define _LIBCPP_EXPLICIT_AFTER_CXX11
941 #define _LIBCPP_DEPRECATED_AFTER_CXX11
943 #define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit
944 #define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]]
947 #if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
948 #define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr
950 #define _LIBCPP_CONSTEXPR_AFTER_CXX11
953 #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
954 #define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr
956 #define _LIBCPP_CONSTEXPR_AFTER_CXX14
959 // FIXME: Remove all usages of this macro once compilers catch up.
960 #if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606L)
961 # define _LIBCPP_HAS_NO_INLINE_VARIABLES
964 #ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES
965 # define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x)
967 # define _LIBCPP_EXPLICIT_MOVE(x) (x)
970 #ifndef _LIBCPP_HAS_NO_ASAN
971 _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container(
972 const void *, const void *, const void *, const void *);
975 // Try to find out if RTTI is disabled.
976 // g++ and cl.exe have RTTI on by default and define a macro when it is.
977 // g++ only defines the macro in 4.3.2 and onwards.
978 #if !defined(_LIBCPP_NO_RTTI)
979 # if defined(__GNUC__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \
980 (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI)
981 # define _LIBCPP_NO_RTTI
982 # elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI)
983 # define _LIBCPP_NO_RTTI
988 # define _LIBCPP_WEAK __attribute__((__weak__))
992 #if !defined(_LIBCPP_HAS_NO_THREADS) && \
993 !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \
994 !defined(_LIBCPP_HAS_THREAD_API_WIN32) && \
995 !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
996 # if defined(__FreeBSD__) || \
997 defined(__Fuchsia__) || \
998 defined(__NetBSD__) || \
999 defined(__linux__) || \
1000 defined(__APPLE__) || \
1001 defined(__CloudABI__) || \
1002 defined(__sun__) || \
1003 (defined(__MINGW32__) && __libcpp_has_include(<pthread.h>))
1004 # define _LIBCPP_HAS_THREAD_API_PTHREAD
1005 # elif defined(_LIBCPP_WIN32API)
1006 # define _LIBCPP_HAS_THREAD_API_WIN32
1008 # error "No thread API"
1009 # endif // _LIBCPP_HAS_THREAD_API
1010 #endif // _LIBCPP_HAS_NO_THREADS
1012 #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
1013 # error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \
1014 _LIBCPP_HAS_NO_THREADS is not defined.
1017 #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
1018 # error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \
1019 _LIBCPP_HAS_NO_THREADS is defined.
1022 #if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS)
1023 # error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \
1024 _LIBCPP_HAS_NO_THREADS is defined.
1027 // Systems that use capability-based security (FreeBSD with Capsicum,
1028 // Nuxi CloudABI) may only provide local filesystem access (using *at()).
1029 // Functions like open(), rename(), unlink() and stat() should not be
1030 // used, as they attempt to access the global filesystem namespace.
1032 #define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE
1035 // CloudABI is intended for running networked services. Processes do not
1036 // have standard input and output channels.
1038 #define _LIBCPP_HAS_NO_STDIN
1039 #define _LIBCPP_HAS_NO_STDOUT
1042 #if defined(__BIONIC__) || defined(__CloudABI__) || \
1043 defined(__Fuchsia__) || defined(_LIBCPP_HAS_MUSL_LIBC)
1044 #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
1047 // Thread-unsafe functions such as strtok() and localtime()
1048 // are not available.
1050 #define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
1053 #if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic)
1054 #define _LIBCPP_HAS_C_ATOMIC_IMP
1055 #elif _GNUC_VER > 407
1056 #define _LIBCPP_HAS_GCC_ATOMIC_IMP
1059 #if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \
1060 || defined(_LIBCPP_HAS_NO_THREADS)
1061 #define _LIBCPP_HAS_NO_ATOMIC_HEADER
1064 #ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
1065 #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
1068 #if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS)
1069 #if defined(__clang__) && __has_attribute(acquire_capability)
1070 // Work around the attribute handling in clang. When both __declspec and
1071 // __attribute__ are present, the processing goes awry preventing the definition
1073 #if !defined(_LIBCPP_OBJECT_FORMAT_COFF)
1074 #define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS
1079 #if __has_attribute(require_constant_initialization)
1080 #define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__))
1082 #define _LIBCPP_SAFE_STATIC
1085 #if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700
1086 # define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF
1089 #if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS)
1090 #if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION)
1091 #define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS
1095 #if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS)
1096 # define _LIBCPP_DIAGNOSE_WARNING(...) \
1097 __attribute__((diagnose_if(__VA_ARGS__, "warning")))
1098 # define _LIBCPP_DIAGNOSE_ERROR(...) \
1099 __attribute__((diagnose_if(__VA_ARGS__, "error")))
1101 # define _LIBCPP_DIAGNOSE_WARNING(...)
1102 # define _LIBCPP_DIAGNOSE_ERROR(...)
1105 #if __has_attribute(fallthough) || _GNUC_VER >= 700
1106 // Use a function like macro to imply that it must be followed by a semicolon
1107 #define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__))
1109 #define _LIBCPP_FALLTHROUGH() ((void)0)
1112 #if defined(_LIBCPP_ABI_MICROSOFT) && \
1113 (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases))
1114 # define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases)
1116 # define _LIBCPP_DECLSPEC_EMPTY_BASES
1119 #if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES)
1120 # define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR
1121 # define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
1122 # define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE
1123 # define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS
1124 #endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES
1126 #if !defined(__cpp_deduction_guides) || __cpp_deduction_guides < 201611
1127 # define _LIBCPP_HAS_NO_DEDUCTION_GUIDES
1130 #if !__has_keyword(__is_aggregate) && (_GNUC_VER_NEW < 7001)
1131 # define _LIBCPP_HAS_NO_IS_AGGREGATE
1134 #if !defined(__cpp_coroutines) || __cpp_coroutines < 201703L
1135 # define _LIBCPP_HAS_NO_COROUTINES
1138 // Decide whether to use availability macros.
1139 #if !defined(_LIBCPP_BUILDING_LIBRARY) && \
1140 !defined(_LIBCPP_DISABLE_AVAILABILITY) && \
1141 __has_feature(attribute_availability_with_strict) && \
1142 __has_feature(attribute_availability_in_templates)
1144 #define _LIBCPP_USE_AVAILABILITY_APPLE
1148 // Define availability macros.
1149 #if defined(_LIBCPP_USE_AVAILABILITY_APPLE)
1150 #define _LIBCPP_AVAILABILITY_SHARED_MUTEX \
1151 __attribute__((availability(macosx,strict,introduced=10.12))) \
1152 __attribute__((availability(ios,strict,introduced=10.0))) \
1153 __attribute__((availability(tvos,strict,introduced=10.0))) \
1154 __attribute__((availability(watchos,strict,introduced=3.0)))
1155 #define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS __attribute__((unavailable))
1156 #define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH __attribute__((unavailable))
1157 #define _LIBCPP_AVAILABILITY_BAD_ANY_CAST __attribute__((unavailable))
1158 #define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS \
1159 __attribute__((availability(macosx,strict,introduced=10.12))) \
1160 __attribute__((availability(ios,strict,introduced=10.0))) \
1161 __attribute__((availability(tvos,strict,introduced=10.0))) \
1162 __attribute__((availability(watchos,strict,introduced=3.0)))
1163 #define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE \
1164 __attribute__((availability(macosx,strict,introduced=10.12))) \
1165 __attribute__((availability(ios,strict,introduced=10.0))) \
1166 __attribute__((availability(tvos,strict,introduced=10.0))) \
1167 __attribute__((availability(watchos,strict,introduced=3.0)))
1168 #define _LIBCPP_AVAILABILITY_FUTURE_ERROR \
1169 __attribute__((availability(ios,strict,introduced=6.0)))
1170 #define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE \
1171 __attribute__((availability(macosx,strict,introduced=10.9))) \
1172 __attribute__((availability(ios,strict,introduced=7.0)))
1173 #define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY \
1174 __attribute__((availability(macosx,strict,introduced=10.9))) \
1175 __attribute__((availability(ios,strict,introduced=7.0)))
1176 #define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR \
1177 __attribute__((availability(macosx,strict,introduced=10.9))) \
1178 __attribute__((availability(ios,strict,introduced=7.0)))
1179 #define _LIBCPP_AVAILABILITY_ALIGNED_ALLOCATION \
1180 __attribute__((availability(macosx,strict,introduced=10.13))) \
1181 __attribute__((availability(ios,strict,introduced=11.0))) \
1182 __attribute__((availability(tvos,strict,introduced=11.0))) \
1183 __attribute__((availability(watchos,strict,introduced=4.0)))
1185 #define _LIBCPP_AVAILABILITY_SHARED_MUTEX
1186 #define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
1187 #define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
1188 #define _LIBCPP_AVAILABILITY_BAD_ANY_CAST
1189 #define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS
1190 #define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE
1191 #define _LIBCPP_AVAILABILITY_FUTURE_ERROR
1192 #define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE
1193 #define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY
1194 #define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
1195 #define _LIBCPP_AVAILABILITY_ALIGNED_ALLOCATION
1198 // Define availability that depends on _LIBCPP_NO_EXCEPTIONS.
1199 #ifdef _LIBCPP_NO_EXCEPTIONS
1200 #define _LIBCPP_AVAILABILITY_DYNARRAY
1201 #define _LIBCPP_AVAILABILITY_FUTURE
1202 #define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST
1204 #define _LIBCPP_AVAILABILITY_DYNARRAY _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
1205 #define _LIBCPP_AVAILABILITY_FUTURE _LIBCPP_AVAILABILITY_FUTURE_ERROR
1206 #define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST \
1207 _LIBCPP_AVAILABILITY_BAD_ANY_CAST
1210 // Availability of stream API in the dylib got dropped and re-added. The
1211 // extern template should effectively be available at:
1212 // availability(macosx,introduced=10.9)
1213 // availability(ios,introduced=7.0)
1214 #if defined(_LIBCPP_USE_AVAILABILITY_APPLE) && \
1215 ((defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \
1216 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1090) || \
1217 (defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && \
1218 __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ < 70000))
1219 #define _LIBCPP_AVAILABILITY_NO_STREAMS_EXTERN_TEMPLATE
1222 #if defined(_LIBCPP_COMPILER_IBM)
1223 #define _LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO
1226 #if defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO)
1227 # define _LIBCPP_PUSH_MACROS
1228 # define _LIBCPP_POP_MACROS
1230 // Don't warn about macro conflicts when we can restore them at the
1231 // end of the header.
1232 # ifndef _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS
1233 # define _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS
1235 # if defined(_LIBCPP_COMPILER_MSVC)
1236 # define _LIBCPP_PUSH_MACROS \
1237 __pragma(push_macro("min")) \
1238 __pragma(push_macro("max"))
1239 # define _LIBCPP_POP_MACROS \
1240 __pragma(pop_macro("min")) \
1241 __pragma(pop_macro("max"))
1243 # define _LIBCPP_PUSH_MACROS \
1244 _Pragma("push_macro(\"min\")") \
1245 _Pragma("push_macro(\"max\")")
1246 # define _LIBCPP_POP_MACROS \
1247 _Pragma("pop_macro(\"min\")") \
1248 _Pragma("pop_macro(\"max\")")
1250 #endif // defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO)
1253 #endif // __cplusplus
1255 #endif // _LIBCPP_CONFIG