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 if
233 // a MS compatibility version is specified.
234 # if defined(_MSC_VER) && !defined(__MINGW32__)
235 # define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
237 # if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__))
238 # define _LIBCPP_HAS_BITSCAN64
240 # if defined(_LIBCPP_MSVCRT)
241 # define _LIBCPP_HAS_QUICK_EXIT
244 // Some CRT APIs are unavailable to store apps
245 #if defined(WINAPI_FAMILY)
246 #include <winapifamily.h>
247 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && \
248 (!defined(WINAPI_PARTITION_SYSTEM) || \
249 !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_SYSTEM))
250 #define _LIBCPP_WINDOWS_STORE_APP
253 #endif // defined(_WIN32)
256 # include <sys/isa_defs.h>
257 # ifdef _LITTLE_ENDIAN
258 # define _LIBCPP_LITTLE_ENDIAN 1
259 # define _LIBCPP_BIG_ENDIAN 0
261 # define _LIBCPP_LITTLE_ENDIAN 0
262 # define _LIBCPP_BIG_ENDIAN 1
266 #if defined(__CloudABI__)
267 // Certain architectures provide arc4random(). Prefer using
268 // arc4random() over /dev/{u,}random to make it possible to obtain
269 // random data even when using sandboxing mechanisms such as chroots,
271 # define _LIBCPP_USING_ARC4_RANDOM
272 #elif defined(__native_client__)
273 // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access,
274 // including accesses to the special files under /dev. C++11's
275 // std::random_device is instead exposed through a NaCl syscall.
276 # define _LIBCPP_USING_NACL_RANDOM
277 #elif defined(_LIBCPP_WIN32API)
278 # define _LIBCPP_USING_WIN32_RANDOM
280 # define _LIBCPP_USING_DEV_RANDOM
283 #if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
285 # if __BYTE_ORDER == __LITTLE_ENDIAN
286 # define _LIBCPP_LITTLE_ENDIAN 1
287 # define _LIBCPP_BIG_ENDIAN 0
288 # elif __BYTE_ORDER == __BIG_ENDIAN
289 # define _LIBCPP_LITTLE_ENDIAN 0
290 # define _LIBCPP_BIG_ENDIAN 1
291 # else // __BYTE_ORDER == __BIG_ENDIAN
292 # error unable to determine endian
294 #endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
296 #if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC)
297 #define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi")))
299 #define _LIBCPP_NO_CFI
302 #if defined(_LIBCPP_COMPILER_CLANG)
304 // _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for
305 // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility.
306 #if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \
307 (!defined(__arm__) || __ARM_ARCH_7K__ >= 2)) || \
308 defined(_LIBCPP_ALTERNATE_STRING_LAYOUT)
309 #define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
312 #if __has_feature(cxx_alignas)
313 # define _ALIGNAS_TYPE(x) alignas(x)
314 # define _ALIGNAS(x) alignas(x)
316 # define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
317 # define _ALIGNAS(x) __attribute__((__aligned__(x)))
320 #if __cplusplus < 201103L
321 typedef __char16_t char16_t;
322 typedef __char32_t char32_t;
325 #if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS)
326 #define _LIBCPP_NO_EXCEPTIONS
329 #if !(__has_feature(cxx_rtti)) && !defined(_LIBCPP_NO_RTTI)
330 #define _LIBCPP_NO_RTTI
333 #if !(__has_feature(cxx_strong_enums))
334 #define _LIBCPP_HAS_NO_STRONG_ENUMS
337 #if !(__has_feature(cxx_decltype))
338 #define _LIBCPP_HAS_NO_DECLTYPE
341 #if __has_feature(cxx_attributes)
342 # define _LIBCPP_NORETURN [[noreturn]]
344 # define _LIBCPP_NORETURN __attribute__ ((noreturn))
347 #if !(__has_feature(cxx_lambdas))
348 #define _LIBCPP_HAS_NO_LAMBDAS
351 #if !(__has_feature(cxx_nullptr))
352 # if (__has_extension(cxx_nullptr) || __has_keyword(__nullptr)) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR)
353 # define nullptr __nullptr
355 # define _LIBCPP_HAS_NO_NULLPTR
359 #if !(__has_feature(cxx_rvalue_references))
360 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES
363 #if !(__has_feature(cxx_auto_type))
364 #define _LIBCPP_HAS_NO_AUTO_TYPE
367 #if !(__has_feature(cxx_variadic_templates))
368 #define _LIBCPP_HAS_NO_VARIADICS
371 #if !(__has_feature(cxx_generalized_initializers))
372 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
375 #if __has_feature(is_base_of)
376 # define _LIBCPP_HAS_IS_BASE_OF
379 #if __has_feature(is_final)
380 # define _LIBCPP_HAS_IS_FINAL
383 // Objective-C++ features (opt-in)
384 #if __has_feature(objc_arc)
385 #define _LIBCPP_HAS_OBJC_ARC
388 #if __has_feature(objc_arc_weak)
389 #define _LIBCPP_HAS_OBJC_ARC_WEAK
392 #if !(__has_feature(cxx_constexpr))
393 #define _LIBCPP_HAS_NO_CONSTEXPR
396 #if !(__has_feature(cxx_relaxed_constexpr))
397 #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
400 #if !(__has_feature(cxx_variable_templates))
401 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
404 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
405 #if defined(__FreeBSD__)
406 #define _LIBCPP_HAS_QUICK_EXIT
407 #define _LIBCPP_HAS_C11_FEATURES
408 #elif defined(__Fuchsia__)
409 #define _LIBCPP_HAS_QUICK_EXIT
410 #define _LIBCPP_HAS_C11_FEATURES
411 #elif defined(__linux__)
412 #if !defined(_LIBCPP_HAS_MUSL_LIBC)
413 #if __GLIBC_PREREQ(2, 15) || defined(__BIONIC__)
414 #define _LIBCPP_HAS_QUICK_EXIT
416 #if __GLIBC_PREREQ(2, 17)
417 #define _LIBCPP_HAS_C11_FEATURES
419 #else // defined(_LIBCPP_HAS_MUSL_LIBC)
420 #define _LIBCPP_HAS_QUICK_EXIT
421 #define _LIBCPP_HAS_C11_FEATURES
426 #if !(__has_feature(cxx_noexcept))
427 #define _LIBCPP_HAS_NO_NOEXCEPT
430 #if __has_feature(underlying_type)
431 # define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
434 #if __has_feature(is_literal)
435 # define _LIBCPP_IS_LITERAL(T) __is_literal(T)
438 // Inline namespaces are available in Clang regardless of C++ dialect.
439 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
440 #define _LIBCPP_END_NAMESPACE_STD } }
441 #define _VSTD std::_LIBCPP_NAMESPACE
444 inline namespace _LIBCPP_NAMESPACE {
448 #if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer)
449 #define _LIBCPP_HAS_NO_ASAN
452 // Allow for build-time disabling of unsigned integer sanitization
453 #if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize)
454 #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow")))
457 #elif defined(_LIBCPP_COMPILER_GCC)
459 #define _ALIGNAS(x) __attribute__((__aligned__(x)))
460 #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
462 #define _LIBCPP_NORETURN __attribute__((noreturn))
465 #define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
466 #define _LIBCPP_IS_LITERAL(T) __is_literal_type(T)
467 #define _LIBCPP_HAS_IS_FINAL
470 #if defined(__GNUC__) && _GNUC_VER >= 403
471 # define _LIBCPP_HAS_IS_BASE_OF
475 #define _LIBCPP_NO_EXCEPTIONS
478 // constexpr was added to GCC in 4.6.
480 #define _LIBCPP_HAS_NO_CONSTEXPR
481 // Can only use constexpr in c++11 mode.
482 #elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L
483 #define _LIBCPP_HAS_NO_CONSTEXPR
486 // Determine if GCC supports relaxed constexpr
487 #if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L
488 #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
491 // GCC 5 will support variable templates
492 #if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L
493 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
496 #ifndef __GXX_EXPERIMENTAL_CXX0X__
497 #define _LIBCPP_HAS_NO_DECLTYPE
498 #define _LIBCPP_HAS_NO_NULLPTR
499 #define _LIBCPP_HAS_NO_UNICODE_CHARS
500 #define _LIBCPP_HAS_NO_VARIADICS
501 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES
502 #define _LIBCPP_HAS_NO_STRONG_ENUMS
503 #define _LIBCPP_HAS_NO_NOEXCEPT
505 #else // __GXX_EXPERIMENTAL_CXX0X__
508 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES
513 #define _LIBCPP_HAS_NO_DECLTYPE
514 #define _LIBCPP_HAS_NO_UNICODE_CHARS
515 #define _LIBCPP_HAS_NO_VARIADICS
516 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
517 #endif // _GNUC_VER < 404
520 #define _LIBCPP_HAS_NO_NOEXCEPT
521 #define _LIBCPP_HAS_NO_NULLPTR
524 #endif // __GXX_EXPERIMENTAL_CXX0X__
526 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_NAMESPACE {
527 #define _LIBCPP_END_NAMESPACE_STD } }
528 #define _VSTD std::_LIBCPP_NAMESPACE
531 inline namespace _LIBCPP_NAMESPACE {
535 #if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__)
536 #define _LIBCPP_HAS_NO_ASAN
539 #elif defined(_LIBCPP_COMPILER_MSVC)
541 #define _LIBCPP_TOSTRING2(x) #x
542 #define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
543 #define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x))
546 #error "MSVC versions prior to Visual Studio 2015 are not supported"
549 #define _LIBCPP_HAS_IS_BASE_OF
550 #define _LIBCPP_HAS_NO_CONSTEXPR
551 #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
552 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
554 #define _LIBCPP_HAS_NO_UNICODE_CHARS
556 #define _LIBCPP_HAS_NO_NOEXCEPT
557 #define __alignof__ __alignof
558 #define _LIBCPP_NORETURN __declspec(noreturn)
559 #define _ALIGNAS(x) __declspec(align(x))
560 #define _LIBCPP_HAS_NO_VARIADICS
562 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
563 #define _LIBCPP_END_NAMESPACE_STD }
566 # define _LIBCPP_WEAK
570 #define _LIBCPP_HAS_NO_ASAN
572 #elif defined(_LIBCPP_COMPILER_IBM)
574 #define _ALIGNAS(x) __attribute__((__aligned__(x)))
575 #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
576 #define _ATTRIBUTE(x) __attribute__((x))
577 #define _LIBCPP_NORETURN __attribute__((noreturn))
579 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
580 #define _LIBCPP_HAS_NO_NOEXCEPT
581 #define _LIBCPP_HAS_NO_NULLPTR
582 #define _LIBCPP_HAS_NO_UNICODE_CHARS
583 #define _LIBCPP_HAS_IS_BASE_OF
584 #define _LIBCPP_HAS_IS_FINAL
585 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
588 #define __MULTILOCALE_API
591 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
592 #define _LIBCPP_END_NAMESPACE_STD } }
593 #define _VSTD std::_LIBCPP_NAMESPACE
596 inline namespace _LIBCPP_NAMESPACE {
600 #define _LIBCPP_HAS_NO_ASAN
602 #endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM]
604 #if defined(_LIBCPP_OBJECT_FORMAT_COFF)
605 #if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
606 # define _LIBCPP_DLL_VIS
607 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
608 # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
609 # define _LIBCPP_OVERRIDABLE_FUNC_VIS
610 #elif defined(_LIBCPP_BUILDING_LIBRARY)
611 # define _LIBCPP_DLL_VIS __declspec(dllexport)
612 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
613 # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS
614 # define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS
616 # define _LIBCPP_DLL_VIS __declspec(dllimport)
617 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS
618 # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
619 # define _LIBCPP_OVERRIDABLE_FUNC_VIS
622 #define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS
623 #define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS
624 #define _LIBCPP_EXTERN_VIS _LIBCPP_DLL_VIS
625 #define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS
626 #define _LIBCPP_HIDDEN
627 #define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
628 #define _LIBCPP_TEMPLATE_VIS
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_EXTERN_VIS
688 # define _LIBCPP_EXTERN_VIS
691 #ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS
692 # define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS
695 #ifndef _LIBCPP_EXCEPTION_ABI
696 #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
697 #define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
699 #define _LIBCPP_EXCEPTION_ABI
703 #ifndef _LIBCPP_ENUM_VIS
704 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
705 # define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default")))
707 # define _LIBCPP_ENUM_VIS
711 #ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
712 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
713 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default")))
715 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
719 #ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
720 # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
723 #ifndef _LIBCPP_INLINE_VISIBILITY
724 #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
725 #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
727 #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
731 #ifndef _LIBCPP_ALWAYS_INLINE
732 #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
733 #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__))
735 #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
739 #ifndef _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY
740 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
741 # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__visibility__("default"), __always_inline__))
743 # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__always_inline__))
747 #ifndef _LIBCPP_PREFERRED_OVERLOAD
748 # if __has_attribute(__enable_if__)
749 # define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, "")))
753 #ifndef _LIBCPP_HAS_NO_NOEXCEPT
754 # define _NOEXCEPT noexcept
755 # define _NOEXCEPT_(x) noexcept(x)
757 # define _NOEXCEPT throw()
758 # define _NOEXCEPT_(x)
761 #if defined(_LIBCPP_DEBUG_USE_EXCEPTIONS)
762 # if !defined(_LIBCPP_DEBUG)
763 # error cannot use _LIBCPP_DEBUG_USE_EXCEPTIONS unless _LIBCPP_DEBUG is defined
765 # define _NOEXCEPT_DEBUG noexcept(false)
766 # define _NOEXCEPT_DEBUG_(x) noexcept(false)
768 # define _NOEXCEPT_DEBUG _NOEXCEPT
769 # define _NOEXCEPT_DEBUG_(x) _NOEXCEPT_(x)
772 #ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
773 typedef unsigned short char16_t;
774 typedef unsigned int char32_t;
775 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS
777 #ifndef __SIZEOF_INT128__
778 #define _LIBCPP_HAS_NO_INT128
781 #ifdef _LIBCPP_CXX03_LANG
782 # if __has_extension(c_static_assert)
783 # define static_assert(__b, __m) _Static_assert(__b, __m)
786 template <bool> struct __static_assert_test;
787 template <> struct __static_assert_test<true> {};
788 template <unsigned> struct __static_assert_check {};
790 #define static_assert(__b, __m) \
791 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
792 _LIBCPP_CONCAT(__t, __LINE__)
793 # endif // __has_extension(c_static_assert)
794 #endif // _LIBCPP_CXX03_LANG
796 #ifdef _LIBCPP_HAS_NO_DECLTYPE
797 // GCC 4.6 provides __decltype in all standard modes.
798 #if __has_keyword(__decltype) || _LIBCPP_CLANG_VER >= 304 || _GNUC_VER >= 406
799 # define decltype(__x) __decltype(__x)
801 # define decltype(__x) __typeof__(__x)
805 #ifdef _LIBCPP_HAS_NO_CONSTEXPR
806 #define _LIBCPP_CONSTEXPR
808 #define _LIBCPP_CONSTEXPR constexpr
811 #ifdef _LIBCPP_CXX03_LANG
812 #define _LIBCPP_DEFAULT {}
814 #define _LIBCPP_DEFAULT = default;
817 #ifdef _LIBCPP_CXX03_LANG
818 #define _LIBCPP_EQUAL_DELETE
820 #define _LIBCPP_EQUAL_DELETE = delete
824 #define _NOALIAS __attribute__((__malloc__))
829 #if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \
830 (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions
831 # define _LIBCPP_EXPLICIT explicit
833 # define _LIBCPP_EXPLICIT
836 #if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete)
837 # define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE
840 #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
841 #define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx
842 #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
844 _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \
845 _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \
846 _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \
848 #else // _LIBCPP_HAS_NO_STRONG_ENUMS
849 #define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x
850 #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
851 #endif // _LIBCPP_HAS_NO_STRONG_ENUMS
854 # if _LIBCPP_DEBUG == 0
855 # define _LIBCPP_DEBUG_LEVEL 1
856 # elif _LIBCPP_DEBUG == 1
857 # define _LIBCPP_DEBUG_LEVEL 2
859 # error Supported values for _LIBCPP_DEBUG are 0 and 1
861 # if !defined(_LIBCPP_BUILDING_LIBRARY)
862 # define _LIBCPP_EXTERN_TEMPLATE(...)
866 #ifdef _LIBCPP_DISABLE_EXTERN_TEMPLATE
867 #define _LIBCPP_EXTERN_TEMPLATE(...)
868 #define _LIBCPP_EXTERN_TEMPLATE2(...)
871 #ifndef _LIBCPP_EXTERN_TEMPLATE
872 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
875 #ifndef _LIBCPP_EXTERN_TEMPLATE2
876 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
879 #if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__)
880 #define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63)
883 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT) || \
884 defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__)
885 #define _LIBCPP_LOCALE__L_EXTENSIONS 1
888 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
889 // Most unix variants have catopen. These are the specific ones that don't.
890 #if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION)
891 #define _LIBCPP_HAS_CATOPEN 1
896 #define _DECLARE_C99_LDBL_MATH 1
899 #if defined(__APPLE__)
900 # if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \
901 defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
902 # define __MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
904 # if defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
905 # if __MAC_OS_X_VERSION_MIN_REQUIRED < 1060
906 # define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION
909 #endif // defined(__APPLE__)
911 #if defined(__APPLE__) || defined(__FreeBSD__)
912 #define _LIBCPP_HAS_DEFAULTRUNELOCALE
915 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
916 #define _LIBCPP_WCTYPE_IS_MASK
919 #ifndef _LIBCPP_STD_VER
920 # if __cplusplus <= 201103L
921 # define _LIBCPP_STD_VER 11
922 # elif __cplusplus <= 201402L
923 # define _LIBCPP_STD_VER 14
924 # elif __cplusplus <= 201703L
925 # define _LIBCPP_STD_VER 17
927 # define _LIBCPP_STD_VER 18 // current year, or date of c++2a ratification
929 #endif // _LIBCPP_STD_VER
931 #if _LIBCPP_STD_VER > 11
932 #define _LIBCPP_DEPRECATED [[deprecated]]
934 #define _LIBCPP_DEPRECATED
937 #if _LIBCPP_STD_VER <= 11
938 #define _LIBCPP_EXPLICIT_AFTER_CXX11
939 #define _LIBCPP_DEPRECATED_AFTER_CXX11
941 #define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit
942 #define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]]
945 #if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
946 #define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr
948 #define _LIBCPP_CONSTEXPR_AFTER_CXX11
951 #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
952 #define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr
954 #define _LIBCPP_CONSTEXPR_AFTER_CXX14
957 // FIXME: Remove all usages of this macro once compilers catch up.
958 #if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606L)
959 # define _LIBCPP_HAS_NO_INLINE_VARIABLES
962 #ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES
963 # define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x)
965 # define _LIBCPP_EXPLICIT_MOVE(x) (x)
968 #ifndef _LIBCPP_HAS_NO_ASAN
969 _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container(
970 const void *, const void *, const void *, const void *);
973 // Try to find out if RTTI is disabled.
974 // g++ and cl.exe have RTTI on by default and define a macro when it is.
975 // g++ only defines the macro in 4.3.2 and onwards.
976 #if !defined(_LIBCPP_NO_RTTI)
977 # if defined(__GNUC__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \
978 (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI)
979 # define _LIBCPP_NO_RTTI
980 # elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI)
981 # define _LIBCPP_NO_RTTI
986 # define _LIBCPP_WEAK __attribute__((__weak__))
990 #if !defined(_LIBCPP_HAS_NO_THREADS) && \
991 !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \
992 !defined(_LIBCPP_HAS_THREAD_API_WIN32) && \
993 !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
994 # if defined(__FreeBSD__) || \
995 defined(__Fuchsia__) || \
996 defined(__NetBSD__) || \
997 defined(__linux__) || \
998 defined(__APPLE__) || \
999 defined(__CloudABI__) || \
1000 defined(__sun__) || \
1001 (defined(__MINGW32__) && __libcpp_has_include(<pthread.h>))
1002 # define _LIBCPP_HAS_THREAD_API_PTHREAD
1003 # elif defined(_LIBCPP_WIN32API)
1004 # define _LIBCPP_HAS_THREAD_API_WIN32
1006 # error "No thread API"
1007 # endif // _LIBCPP_HAS_THREAD_API
1008 #endif // _LIBCPP_HAS_NO_THREADS
1010 #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
1011 # error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \
1012 _LIBCPP_HAS_NO_THREADS is not defined.
1015 #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
1016 # error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \
1017 _LIBCPP_HAS_NO_THREADS is defined.
1020 #if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS)
1021 # error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \
1022 _LIBCPP_HAS_NO_THREADS is defined.
1025 // Systems that use capability-based security (FreeBSD with Capsicum,
1026 // Nuxi CloudABI) may only provide local filesystem access (using *at()).
1027 // Functions like open(), rename(), unlink() and stat() should not be
1028 // used, as they attempt to access the global filesystem namespace.
1030 #define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE
1033 // CloudABI is intended for running networked services. Processes do not
1034 // have standard input and output channels.
1036 #define _LIBCPP_HAS_NO_STDIN
1037 #define _LIBCPP_HAS_NO_STDOUT
1040 #if defined(__BIONIC__) || defined(__CloudABI__) || \
1041 defined(__Fuchsia__) || defined(_LIBCPP_HAS_MUSL_LIBC)
1042 #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
1045 // Thread-unsafe functions such as strtok() and localtime()
1046 // are not available.
1048 #define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
1051 #if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic)
1052 #define _LIBCPP_HAS_C_ATOMIC_IMP
1053 #elif _GNUC_VER > 407
1054 #define _LIBCPP_HAS_GCC_ATOMIC_IMP
1057 #if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \
1058 || defined(_LIBCPP_HAS_NO_THREADS)
1059 #define _LIBCPP_HAS_NO_ATOMIC_HEADER
1062 #ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
1063 #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
1066 #if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS)
1067 #if defined(__clang__) && __has_attribute(acquire_capability)
1068 // Work around the attribute handling in clang. When both __declspec and
1069 // __attribute__ are present, the processing goes awry preventing the definition
1071 #if !defined(_LIBCPP_OBJECT_FORMAT_COFF)
1072 #define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS
1077 #if __has_attribute(require_constant_initialization)
1078 #define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__))
1080 #define _LIBCPP_SAFE_STATIC
1083 #if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700
1084 # define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF
1087 #if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS)
1088 #if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION)
1089 #define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS
1093 #if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS)
1094 # define _LIBCPP_DIAGNOSE_WARNING(...) \
1095 __attribute__((diagnose_if(__VA_ARGS__, "warning")))
1096 # define _LIBCPP_DIAGNOSE_ERROR(...) \
1097 __attribute__((diagnose_if(__VA_ARGS__, "error")))
1099 # define _LIBCPP_DIAGNOSE_WARNING(...)
1100 # define _LIBCPP_DIAGNOSE_ERROR(...)
1103 #if __has_attribute(fallthough) || _GNUC_VER >= 700
1104 // Use a function like macro to imply that it must be followed by a semicolon
1105 #define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__))
1107 #define _LIBCPP_FALLTHROUGH() ((void)0)
1110 #if defined(_LIBCPP_ABI_MICROSOFT) && \
1111 (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases))
1112 # define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases)
1114 # define _LIBCPP_DECLSPEC_EMPTY_BASES
1117 #if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES)
1118 # define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR
1119 # define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
1120 # define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE
1121 # define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS
1122 #endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES
1124 #if !defined(__cpp_deduction_guides) || __cpp_deduction_guides < 201611
1125 # define _LIBCPP_HAS_NO_DEDUCTION_GUIDES
1128 #if !__has_keyword(__is_aggregate) && (_GNUC_VER_NEW < 7001)
1129 # define _LIBCPP_HAS_NO_IS_AGGREGATE
1132 #if !defined(__cpp_coroutines) || __cpp_coroutines < 201703L
1133 # define _LIBCPP_HAS_NO_COROUTINES
1136 // Decide whether to use availability macros.
1137 #if !defined(_LIBCPP_BUILDING_LIBRARY) && \
1138 !defined(_LIBCPP_DISABLE_AVAILABILITY) && \
1139 __has_feature(attribute_availability_with_strict) && \
1140 __has_feature(attribute_availability_in_templates)
1142 #define _LIBCPP_USE_AVAILABILITY_APPLE
1146 // Define availability macros.
1147 #if defined(_LIBCPP_USE_AVAILABILITY_APPLE)
1148 #define _LIBCPP_AVAILABILITY_SHARED_MUTEX \
1149 __attribute__((availability(macosx,strict,introduced=10.12))) \
1150 __attribute__((availability(ios,strict,introduced=10.0))) \
1151 __attribute__((availability(tvos,strict,introduced=10.0))) \
1152 __attribute__((availability(watchos,strict,introduced=3.0)))
1153 #define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS __attribute__((unavailable))
1154 #define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH __attribute__((unavailable))
1155 #define _LIBCPP_AVAILABILITY_BAD_ANY_CAST __attribute__((unavailable))
1156 #define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS \
1157 __attribute__((availability(macosx,strict,introduced=10.12))) \
1158 __attribute__((availability(ios,strict,introduced=10.0))) \
1159 __attribute__((availability(tvos,strict,introduced=10.0))) \
1160 __attribute__((availability(watchos,strict,introduced=3.0)))
1161 #define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE \
1162 __attribute__((availability(macosx,strict,introduced=10.12))) \
1163 __attribute__((availability(ios,strict,introduced=10.0))) \
1164 __attribute__((availability(tvos,strict,introduced=10.0))) \
1165 __attribute__((availability(watchos,strict,introduced=3.0)))
1166 #define _LIBCPP_AVAILABILITY_FUTURE_ERROR \
1167 __attribute__((availability(ios,strict,introduced=6.0)))
1168 #define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE \
1169 __attribute__((availability(macosx,strict,introduced=10.9))) \
1170 __attribute__((availability(ios,strict,introduced=7.0)))
1171 #define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY \
1172 __attribute__((availability(macosx,strict,introduced=10.9))) \
1173 __attribute__((availability(ios,strict,introduced=7.0)))
1174 #define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR \
1175 __attribute__((availability(macosx,strict,introduced=10.9))) \
1176 __attribute__((availability(ios,strict,introduced=7.0)))
1178 #define _LIBCPP_AVAILABILITY_SHARED_MUTEX
1179 #define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
1180 #define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
1181 #define _LIBCPP_AVAILABILITY_BAD_ANY_CAST
1182 #define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS
1183 #define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE
1184 #define _LIBCPP_AVAILABILITY_FUTURE_ERROR
1185 #define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE
1186 #define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY
1187 #define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
1190 // Define availability that depends on _LIBCPP_NO_EXCEPTIONS.
1191 #ifdef _LIBCPP_NO_EXCEPTIONS
1192 #define _LIBCPP_AVAILABILITY_DYNARRAY
1193 #define _LIBCPP_AVAILABILITY_FUTURE
1194 #define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST
1196 #define _LIBCPP_AVAILABILITY_DYNARRAY _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
1197 #define _LIBCPP_AVAILABILITY_FUTURE _LIBCPP_AVAILABILITY_FUTURE_ERROR
1198 #define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST \
1199 _LIBCPP_AVAILABILITY_BAD_ANY_CAST
1202 // Availability of stream API in the dylib got dropped and re-added. The
1203 // extern template should effectively be available at:
1204 // availability(macosx,introduced=10.9)
1205 // availability(ios,introduced=7.0)
1206 #if defined(_LIBCPP_USE_AVAILABILITY_APPLE) && \
1207 ((defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \
1208 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1090) || \
1209 (defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && \
1210 __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ < 70000))
1211 #define _LIBCPP_AVAILABILITY_NO_STREAMS_EXTERN_TEMPLATE
1214 #if defined(_LIBCPP_COMPILER_IBM)
1215 #define _LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO
1218 #if defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO)
1219 # define _LIBCPP_PUSH_MACROS
1220 # define _LIBCPP_POP_MACROS
1222 // Don't warn about macro conflicts when we can restore them at the
1223 // end of the header.
1224 # ifndef _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS
1225 # define _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS
1227 # if defined(_LIBCPP_COMPILER_MSVC)
1228 # define _LIBCPP_PUSH_MACROS \
1229 __pragma(push_macro("min")) \
1230 __pragma(push_macro("max"))
1231 # define _LIBCPP_POP_MACROS \
1232 __pragma(pop_macro("min")) \
1233 __pragma(pop_macro("max"))
1235 # define _LIBCPP_PUSH_MACROS \
1236 _Pragma("push_macro(\"min\")") \
1237 _Pragma("push_macro(\"max\")")
1238 # define _LIBCPP_POP_MACROS \
1239 _Pragma("pop_macro(\"min\")") \
1240 _Pragma("pop_macro(\"max\")")
1242 #endif // defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO)
1245 #endif // __cplusplus
1247 #endif // _LIBCPP_CONFIG