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Howard Hinnantc51e1022010-05-11 19:42:16 +00001// -*- C++ -*-
2//===--------------------------- __config ---------------------------------===//
3//
Howard Hinnantc566dc32010-05-11 21:36:01 +00004// The LLVM Compiler Infrastructure
Howard Hinnantc51e1022010-05-11 19:42:16 +00005//
Howard Hinnantee11c312010-11-16 22:09:02 +00006// This file is dual licensed under the MIT and the University of Illinois Open
7// Source Licenses. See LICENSE.TXT for details.
Howard Hinnantc51e1022010-05-11 19:42:16 +00008//
9//===----------------------------------------------------------------------===//
10
11#ifndef _LIBCPP_CONFIG
12#define _LIBCPP_CONFIG
13
Eric Fiseliera80af822015-11-06 06:30:12 +000014#if defined(_MSC_VER) && !defined(__clang__)
Saleem Abdulrasoolf154c772017-01-29 18:16:33 +000015#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
Eric Fiseliera80af822015-11-06 06:30:12 +000016#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
17#endif
Saleem Abdulrasoolf154c772017-01-29 18:16:33 +000018#endif
Eric Fiseliera80af822015-11-06 06:30:12 +000019
20#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
Howard Hinnantc51e1022010-05-11 19:42:16 +000021#pragma GCC system_header
Howard Hinnantaaaa52b2011-10-17 20:05:10 +000022#endif
Howard Hinnantc51e1022010-05-11 19:42:16 +000023
Eric Fiseliera80af822015-11-06 06:30:12 +000024#ifdef __cplusplus
25
Howard Hinnantcafe7172012-10-03 20:48:05 +000026#ifdef __GNUC__
27#define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__)
Eric Fiselierc9a0e822017-04-12 23:08:46 +000028// 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__)
Eric Fiselier7d223172015-06-13 02:18:44 +000031#else
32#define _GNUC_VER 0
Eric Fiselierc9a0e822017-04-12 23:08:46 +000033#define _GNUC_VER_NEW 0
Howard Hinnantcafe7172012-10-03 20:48:05 +000034#endif
35
Hans Wennborgac5e7632018-01-03 15:40:29 +000036#define _LIBCPP_VERSION 7000
Howard Hinnantc51e1022010-05-11 19:42:16 +000037
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +000038#ifndef _LIBCPP_ABI_VERSION
Howard Hinnantc51e1022010-05-11 19:42:16 +000039#define _LIBCPP_ABI_VERSION 1
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +000040#endif
41
Shoaib Meenai5c2d4012017-04-12 19:56:37 +000042#if defined(__ELF__)
43#define _LIBCPP_OBJECT_FORMAT_ELF 1
44#elif defined(__MACH__)
45#define _LIBCPP_OBJECT_FORMAT_MACHO 1
46#elif defined(_WIN32)
47#define _LIBCPP_OBJECT_FORMAT_COFF 1
Sam Cleggfe39b0b2017-12-16 18:59:50 +000048#elif defined(__wasm__)
49#define _LIBCPP_OBJECT_FORMAT_WASM 1
Shoaib Meenai5c2d4012017-04-12 19:56:37 +000050#else
51#error Unknown object file format
52#endif
53
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +000054#if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2
Shoaib Meenai4bdf4372016-09-12 20:14:44 +000055// Change short string representation so that string data starts at offset 0,
Evgeniy Stepanovc299de22015-11-06 22:02:29 +000056// improving its alignment in some cases.
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +000057#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
Evgeniy Stepanovc299de22015-11-06 22:02:29 +000058// Fix deque iterator type in order to support incomplete types.
59#define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE
Nico Weberd31c3ab2017-07-22 15:16:42 +000060// Fix undefined behavior in how std::list stores its linked nodes.
Eric Fiselier696b44f2015-12-30 20:57:59 +000061#define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB
Eric Fiselier70f5f872016-07-19 17:56:20 +000062// Fix undefined behavior in how __tree stores its end and parent nodes.
63#define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB
Nico Weberd31c3ab2017-07-22 15:16:42 +000064// Fix undefined behavior in how __hash_table stores its pointer types.
Eric Fiselierd8f24a42016-07-23 20:36:55 +000065#define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB
Eric Fiselierfbb66132016-01-27 00:11:54 +000066#define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB
Eric Fiselier7cb64a02016-02-10 20:46:23 +000067#define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE
Eric Fiselierf38846d2016-12-28 11:09:18 +000068// Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr
Eric Fiselier83e3ee02016-12-28 09:50:23 +000069// provided under the alternate keyword __nullptr, which changes the mangling
70// of nullptr_t. This option is ABI incompatible with GCC in C++03 mode.
71#define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR
Eric Fiselierab6bb302017-01-05 01:15:42 +000072// Define the `pointer_safety` enum as a C++11 strongly typed enumeration
73// instead of as a class simulating an enum. If this option is enabled
74// `pointer_safety` and `get_pointer_safety()` will no longer be available
75// in C++03.
76#define _LIBCPP_ABI_POINTER_SAFETY_ENUM_TYPE
Shoaib Meenaic130eaf2017-03-28 19:33:31 +000077// Define a key function for `bad_function_call` in the library, to centralize
78// its vtable and typeinfo to libc++ rather than having all other libraries
79// using that class define their own copies.
80#define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
Aditya Kumaraa866182017-06-14 23:17:45 +000081// Enable optimized version of __do_get_(un)signed which avoids redundant copies.
82#define _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET
Eric Fiseliercaccc7b2017-11-19 04:19:44 +000083// Use the smallest possible integer type to represent the index of the variant.
84// Previously libc++ used "unsigned int" exclusivly.
85#define _LIBCPP_ABI_VARIANT_INDEX_TYPE_OPTIMIZATION
Eric Fiselier08f7fe82016-07-18 01:58:37 +000086#elif _LIBCPP_ABI_VERSION == 1
Shoaib Meenai5c2d4012017-04-12 19:56:37 +000087#if !defined(_LIBCPP_OBJECT_FORMAT_COFF)
Eric Fiselier98848572017-01-17 03:16:26 +000088// Enable compiling copies of now inline methods into the dylib to support
Shoaib Meenai5c2d4012017-04-12 19:56:37 +000089// applications compiled against older libraries. This is unnecessary with
90// COFF dllexport semantics, since dllexport forces a non-inline definition
91// of inline functions to be emitted anyway. Our own non-inline copy would
92// conflict with the dllexport-emitted copy, so we disable it.
Eric Fiselier98848572017-01-17 03:16:26 +000093#define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS
Eric Fiselierfd0ef992017-01-02 22:17:51 +000094#endif
Eric Fiselier08f7fe82016-07-18 01:58:37 +000095// Feature macros for disabling pre ABI v1 features. All of these options
96// are deprecated.
97#if defined(__FreeBSD__)
98#define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR
99#endif
100#endif
101
102#ifdef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR
103#error "_LIBCPP_TRIVIAL_PAIR_COPY_CTOR" is no longer supported. \
104 use _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR instead
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +0000105#endif
Howard Hinnantc51e1022010-05-11 19:42:16 +0000106
107#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y
108#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y)
109
110#define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION)
111
Eric Fiselierc6f17cc2016-09-25 03:34:28 +0000112#if __cplusplus < 201103L
113#define _LIBCPP_CXX03_LANG
114#endif
Eric Fiselier86fcc922015-07-10 20:26:38 +0000115
116#ifndef __has_attribute
117#define __has_attribute(__x) 0
118#endif
119#ifndef __has_builtin
120#define __has_builtin(__x) 0
121#endif
Eric Fiselier8020b6c2015-08-19 17:21:46 +0000122#ifndef __has_extension
123#define __has_extension(__x) 0
124#endif
Eric Fiselier86fcc922015-07-10 20:26:38 +0000125#ifndef __has_feature
126#define __has_feature(__x) 0
127#endif
Marshall Clow2a5c4212017-11-14 22:26:50 +0000128#ifndef __has_cpp_attribute
129#define __has_cpp_attribute(__x) 0
130#endif
Eric Fiselier86fcc922015-07-10 20:26:38 +0000131// '__is_identifier' returns '0' if '__x' is a reserved identifier provided by
132// the compiler and '1' otherwise.
133#ifndef __is_identifier
134#define __is_identifier(__x) 1
135#endif
Eric Fiseliere3cec5f2017-01-16 21:15:08 +0000136#ifndef __has_declspec_attribute
137#define __has_declspec_attribute(__x) 0
138#endif
Eric Fiselier86fcc922015-07-10 20:26:38 +0000139
Eric Fiselierba725072017-01-14 04:27:58 +0000140#define __has_keyword(__x) !(__is_identifier(__x))
141
Eric Fiselierd8a6c892017-05-10 21:34:58 +0000142#ifdef __has_include
143#define __libcpp_has_include(__x) __has_include(__x)
144#else
145#define __libcpp_has_include(__x) 0
146#endif
147
Eric Fiselier8fbccea2017-01-06 21:42:58 +0000148#if defined(__clang__)
149#define _LIBCPP_COMPILER_CLANG
Eric Fiselier73409252017-01-23 21:41:13 +0000150# ifndef __apple_build_version__
151# define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__)
152# endif
Eric Fiselier8fbccea2017-01-06 21:42:58 +0000153#elif defined(__GNUC__)
154#define _LIBCPP_COMPILER_GCC
155#elif defined(_MSC_VER)
156#define _LIBCPP_COMPILER_MSVC
157#elif defined(__IBMCPP__)
158#define _LIBCPP_COMPILER_IBM
159#endif
160
Eric Fiselier73409252017-01-23 21:41:13 +0000161#ifndef _LIBCPP_CLANG_VER
162#define _LIBCPP_CLANG_VER 0
163#endif
164
Eric Fiseliera6d96342017-01-07 02:43:58 +0000165// FIXME: ABI detection should be done via compiler builtin macros. This
166// is just a placeholder until Clang implements such macros. For now assume
Shoaib Meenai69cebe72017-10-04 23:44:38 +0000167// that Windows compilers pretending to be MSVC++ target the Microsoft ABI,
168// and allow the user to explicitly specify the ABI to handle cases where this
169// heuristic falls short.
Shoaib Meenai56943f82017-10-05 02:18:08 +0000170#if defined(_LIBCPP_ABI_FORCE_ITANIUM) && defined(_LIBCPP_ABI_FORCE_MICROSOFT)
171# error "Only one of _LIBCPP_ABI_FORCE_ITANIUM and _LIBCPP_ABI_FORCE_MICROSOFT can be defined"
172#elif defined(_LIBCPP_ABI_FORCE_ITANIUM)
173# define _LIBCPP_ABI_ITANIUM
174#elif defined(_LIBCPP_ABI_FORCE_MICROSOFT)
175# define _LIBCPP_ABI_MICROSOFT
176#else
Shoaib Meenai69cebe72017-10-04 23:44:38 +0000177# if defined(_WIN32) && defined(_MSC_VER)
178# define _LIBCPP_ABI_MICROSOFT
179# else
180# define _LIBCPP_ABI_ITANIUM
181# endif
Eric Fiseliera6d96342017-01-07 02:43:58 +0000182#endif
183
Dan Albert21800dc2016-09-19 18:00:45 +0000184// Need to detect which libc we're using if we're on Linux.
185#if defined(__linux__)
186#include <features.h>
Peter Collingbourne5d8418a2018-01-10 18:16:58 +0000187#if defined(__GLIBC_PREREQ)
188#define _LIBCPP_GLIBC_PREREQ(a, b) __GLIBC_PREREQ(a, b)
189#else
190#define _LIBCPP_GLIBC_PREREQ(a, b) 0
191#endif // defined(__GLIBC_PREREQ)
Dan Albert21800dc2016-09-19 18:00:45 +0000192#endif // defined(__linux__)
Eric Fiselier86fcc922015-07-10 20:26:38 +0000193
Howard Hinnantc51e1022010-05-11 19:42:16 +0000194#ifdef __LITTLE_ENDIAN__
195#if __LITTLE_ENDIAN__
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000196#define _LIBCPP_LITTLE_ENDIAN
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000197#endif // __LITTLE_ENDIAN__
198#endif // __LITTLE_ENDIAN__
Howard Hinnantc51e1022010-05-11 19:42:16 +0000199
200#ifdef __BIG_ENDIAN__
201#if __BIG_ENDIAN__
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000202#define _LIBCPP_BIG_ENDIAN
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000203#endif // __BIG_ENDIAN__
204#endif // __BIG_ENDIAN__
Howard Hinnantc51e1022010-05-11 19:42:16 +0000205
Dan Albert98d97792015-09-16 18:10:47 +0000206#ifdef __BYTE_ORDER__
207#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000208#define _LIBCPP_LITTLE_ENDIAN
Dan Albert98d97792015-09-16 18:10:47 +0000209#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000210#define _LIBCPP_BIG_ENDIAN
Dan Albert98d97792015-09-16 18:10:47 +0000211#endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
212#endif // __BYTE_ORDER__
213
David Chisnall93008f02010-08-11 16:27:20 +0000214#ifdef __FreeBSD__
215# include <sys/endian.h>
216# if _BYTE_ORDER == _LITTLE_ENDIAN
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000217# define _LIBCPP_LITTLE_ENDIAN
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000218# else // _BYTE_ORDER == _LITTLE_ENDIAN
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000219# define _LIBCPP_BIG_ENDIAN
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000220# endif // _BYTE_ORDER == _LITTLE_ENDIAN
Howard Hinnant13830352012-11-26 21:18:17 +0000221# ifndef __LONG_LONG_SUPPORTED
222# define _LIBCPP_HAS_NO_LONG_LONG
223# endif // __LONG_LONG_SUPPORTED
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000224#endif // __FreeBSD__
David Chisnall93008f02010-08-11 16:27:20 +0000225
Joerg Sonnenberger153e4162013-05-17 21:17:34 +0000226#ifdef __NetBSD__
227# include <sys/endian.h>
228# if _BYTE_ORDER == _LITTLE_ENDIAN
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000229# define _LIBCPP_LITTLE_ENDIAN
Joerg Sonnenberger153e4162013-05-17 21:17:34 +0000230# else // _BYTE_ORDER == _LITTLE_ENDIAN
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000231# define _LIBCPP_BIG_ENDIAN
Joerg Sonnenberger153e4162013-05-17 21:17:34 +0000232# endif // _BYTE_ORDER == _LITTLE_ENDIAN
233# define _LIBCPP_HAS_QUICK_EXIT
234#endif // __NetBSD__
235
Saleem Abdulrasoolee302e42017-01-03 21:53:51 +0000236#if defined(_WIN32)
Eric Fiselierbb999f92017-05-31 22:14:05 +0000237# define _LIBCPP_WIN32API
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000238# define _LIBCPP_LITTLE_ENDIAN
Saleem Abdulrasoolee302e42017-01-03 21:53:51 +0000239# define _LIBCPP_SHORT_WCHAR 1
Eric Fiselierbb999f92017-05-31 22:14:05 +0000240// Both MinGW and native MSVC provide a "MSVC"-like enviroment
241# define _LIBCPP_MSVCRT_LIKE
Bruno Cardoso Lopes91572682017-07-17 21:52:31 +0000242// If mingw not explicitly detected, assume using MS C runtime only if
243// a MS compatibility version is specified.
244# if defined(_MSC_VER) && !defined(__MINGW32__)
Howard Hinnant8ad70912013-09-17 01:34:47 +0000245# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
246# endif
Saleem Abdulrasool32300ca2017-01-04 01:53:24 +0000247# if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__))
248# define _LIBCPP_HAS_BITSCAN64
249# endif
Peter Collingbourne63ebbd72018-01-23 02:07:27 +0000250# define _LIBCPP_HAS_OPEN_WITH_WCHAR
Eric Fiselier600a98e2017-01-19 23:48:05 +0000251# if defined(_LIBCPP_MSVCRT)
252# define _LIBCPP_HAS_QUICK_EXIT
253# endif
Shoaib Meenaie2ce3602017-04-06 04:47:49 +0000254
255// Some CRT APIs are unavailable to store apps
256#if defined(WINAPI_FAMILY)
257#include <winapifamily.h>
258#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && \
259 (!defined(WINAPI_PARTITION_SYSTEM) || \
260 !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_SYSTEM))
261#define _LIBCPP_WINDOWS_STORE_APP
262#endif
263#endif
Saleem Abdulrasoolee302e42017-01-03 21:53:51 +0000264#endif // defined(_WIN32)
Howard Hinnant34bad2a2011-05-13 17:16:06 +0000265
David Chisnall8074c342012-02-29 13:05:08 +0000266#ifdef __sun__
267# include <sys/isa_defs.h>
268# ifdef _LITTLE_ENDIAN
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000269# define _LIBCPP_LITTLE_ENDIAN
David Chisnall8074c342012-02-29 13:05:08 +0000270# else
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000271# define _LIBCPP_BIG_ENDIAN
David Chisnall8074c342012-02-29 13:05:08 +0000272# endif
273#endif // __sun__
274
Ed Schoutendcf37402015-03-10 07:46:06 +0000275#if defined(__CloudABI__)
276 // Certain architectures provide arc4random(). Prefer using
277 // arc4random() over /dev/{u,}random to make it possible to obtain
278 // random data even when using sandboxing mechanisms such as chroots,
279 // Capsicum, etc.
280# define _LIBCPP_USING_ARC4_RANDOM
Petr Hosek02834ef2017-12-01 06:34:33 +0000281#elif defined(__Fuchsia__)
282# define _LIBCPP_USING_GETENTROPY
Ed Schoutendcf37402015-03-10 07:46:06 +0000283#elif defined(__native_client__)
JF Bastiend4832032014-12-01 19:19:55 +0000284 // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access,
285 // including accesses to the special files under /dev. C++11's
286 // std::random_device is instead exposed through a NaCl syscall.
287# define _LIBCPP_USING_NACL_RANDOM
Saleem Abdulrasoolee302e42017-01-03 21:53:51 +0000288#elif defined(_LIBCPP_WIN32API)
Ed Schoutendcf37402015-03-10 07:46:06 +0000289# define _LIBCPP_USING_WIN32_RANDOM
290#else
291# define _LIBCPP_USING_DEV_RANDOM
292#endif
JF Bastiend4832032014-12-01 19:19:55 +0000293
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000294#if !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN)
Howard Hinnant155c2af2010-05-24 17:49:41 +0000295# include <endian.h>
296# if __BYTE_ORDER == __LITTLE_ENDIAN
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000297# define _LIBCPP_LITTLE_ENDIAN
Howard Hinnant155c2af2010-05-24 17:49:41 +0000298# elif __BYTE_ORDER == __BIG_ENDIAN
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000299# define _LIBCPP_BIG_ENDIAN
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000300# else // __BYTE_ORDER == __BIG_ENDIAN
Howard Hinnant155c2af2010-05-24 17:49:41 +0000301# error unable to determine endian
302# endif
Eric Fiseliere9cc5922017-10-17 13:16:01 +0000303#endif // !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN)
Howard Hinnantc51e1022010-05-11 19:42:16 +0000304
Eric Fiselier02cba002017-06-15 03:50:02 +0000305#if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC)
Evgeniy Stepanov076b2372016-02-10 21:53:28 +0000306#define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi")))
307#else
308#define _LIBCPP_NO_CFI
309#endif
310
Eric Fiselier8fbccea2017-01-06 21:42:58 +0000311#if defined(_LIBCPP_COMPILER_CLANG)
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000312
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +0000313// _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for
314// _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility.
315#if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \
Mehdi Aminia807b112017-04-06 01:10:22 +0000316 (!defined(__arm__) || __ARM_ARCH_7K__ >= 2)) || \
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +0000317 defined(_LIBCPP_ALTERNATE_STRING_LAYOUT)
318#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
Tim Northoverffc95932014-03-30 11:34:22 +0000319#endif
320
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000321#if __has_feature(cxx_alignas)
Howard Hinnant62cad692012-05-31 19:31:14 +0000322# define _ALIGNAS_TYPE(x) alignas(x)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000323# define _ALIGNAS(x) alignas(x)
324#else
Howard Hinnant076b28c2012-05-31 20:14:00 +0000325# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000326# define _ALIGNAS(x) __attribute__((__aligned__(x)))
327#endif
328
Marshall Clow2b12c312014-02-22 15:13:48 +0000329#if __cplusplus < 201103L
Howard Hinnant31cd14f2010-09-16 23:27:26 +0000330typedef __char16_t char16_t;
331typedef __char32_t char32_t;
Howard Hinnant8e6a3982010-09-07 20:31:18 +0000332#endif
Howard Hinnant74279a52010-09-04 23:28:19 +0000333
Weiming Zhao9fe43d52016-04-21 05:28:18 +0000334#if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS)
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000335#define _LIBCPP_NO_EXCEPTIONS
336#endif
337
Eric Fiseliered2099d2017-05-04 01:06:54 +0000338#if !(__has_feature(cxx_rtti)) && !defined(_LIBCPP_NO_RTTI)
Howard Hinnant72f73582010-08-11 17:04:31 +0000339#define _LIBCPP_NO_RTTI
340#endif
341
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000342#if !(__has_feature(cxx_strong_enums))
343#define _LIBCPP_HAS_NO_STRONG_ENUMS
344#endif
345
Howard Hinnant74279a52010-09-04 23:28:19 +0000346#if !(__has_feature(cxx_decltype))
347#define _LIBCPP_HAS_NO_DECLTYPE
348#endif
349
Howard Hinnant8df96292011-05-26 17:07:32 +0000350#if __has_feature(cxx_attributes)
Richard Smithcabd3922012-07-26 02:04:22 +0000351# define _LIBCPP_NORETURN [[noreturn]]
Howard Hinnant8df96292011-05-26 17:07:32 +0000352#else
Richard Smithcabd3922012-07-26 02:04:22 +0000353# define _LIBCPP_NORETURN __attribute__ ((noreturn))
Howard Hinnant74279a52010-09-04 23:28:19 +0000354#endif
355
Howard Hinnant74279a52010-09-04 23:28:19 +0000356#if !(__has_feature(cxx_lambdas))
357#define _LIBCPP_HAS_NO_LAMBDAS
358#endif
359
360#if !(__has_feature(cxx_nullptr))
Eric Fiselierba725072017-01-14 04:27:58 +0000361# if (__has_extension(cxx_nullptr) || __has_keyword(__nullptr)) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR)
Eric Fiselier83e3ee02016-12-28 09:50:23 +0000362# define nullptr __nullptr
363# else
364# define _LIBCPP_HAS_NO_NULLPTR
365# endif
Howard Hinnant74279a52010-09-04 23:28:19 +0000366#endif
367
368#if !(__has_feature(cxx_rvalue_references))
369#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
370#endif
371
Howard Hinnant74279a52010-09-04 23:28:19 +0000372#if !(__has_feature(cxx_auto_type))
373#define _LIBCPP_HAS_NO_AUTO_TYPE
Howard Hinnant986832c2011-07-29 21:35:53 +0000374#endif
375
Howard Hinnant74279a52010-09-04 23:28:19 +0000376#if !(__has_feature(cxx_variadic_templates))
377#define _LIBCPP_HAS_NO_VARIADICS
378#endif
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000379
Howard Hinnant33711792011-08-12 21:56:02 +0000380#if !(__has_feature(cxx_generalized_initializers))
381#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
382#endif
383
Howard Hinnantdd0d7022011-09-22 19:10:18 +0000384#if __has_feature(is_base_of)
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000385# define _LIBCPP_HAS_IS_BASE_OF
Howard Hinnantdd0d7022011-09-22 19:10:18 +0000386#endif
387
Eric Fiselierf7394302015-06-13 07:08:02 +0000388#if __has_feature(is_final)
389# define _LIBCPP_HAS_IS_FINAL
390#endif
391
Douglas Gregor13034442011-06-22 22:17:44 +0000392// Objective-C++ features (opt-in)
393#if __has_feature(objc_arc)
394#define _LIBCPP_HAS_OBJC_ARC
395#endif
396
397#if __has_feature(objc_arc_weak)
398#define _LIBCPP_HAS_OBJC_ARC_WEAK
399#endif
400
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000401#if !(__has_feature(cxx_constexpr))
402#define _LIBCPP_HAS_NO_CONSTEXPR
403#endif
404
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000405#if !(__has_feature(cxx_relaxed_constexpr))
406#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
407#endif
408
Marshall Clowfaae6982015-03-17 15:30:22 +0000409#if !(__has_feature(cxx_variable_templates))
410#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
411#endif
412
David Blaikie97ab0022013-05-13 21:53:44 +0000413#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
414#if defined(__FreeBSD__)
David Chisnall277ad052012-03-14 14:10:37 +0000415#define _LIBCPP_HAS_QUICK_EXIT
Howard Hinnantcabc5a22012-10-13 18:03:53 +0000416#define _LIBCPP_HAS_C11_FEATURES
Petr Hosek34a54552016-10-10 18:53:32 +0000417#elif defined(__Fuchsia__)
418#define _LIBCPP_HAS_QUICK_EXIT
419#define _LIBCPP_HAS_C11_FEATURES
David Blaikie97ab0022013-05-13 21:53:44 +0000420#elif defined(__linux__)
Vasileios Kalintiris281b4cf2015-11-09 10:21:04 +0000421#if !defined(_LIBCPP_HAS_MUSL_LIBC)
Peter Collingbourne5d8418a2018-01-10 18:16:58 +0000422#if _LIBCPP_GLIBC_PREREQ(2, 15) || defined(__BIONIC__)
David Blaikie97ab0022013-05-13 21:53:44 +0000423#define _LIBCPP_HAS_QUICK_EXIT
424#endif
Peter Collingbourne5d8418a2018-01-10 18:16:58 +0000425#if _LIBCPP_GLIBC_PREREQ(2, 17)
David Blaikie97ab0022013-05-13 21:53:44 +0000426#define _LIBCPP_HAS_C11_FEATURES
427#endif
Vasileios Kalintiris281b4cf2015-11-09 10:21:04 +0000428#else // defined(_LIBCPP_HAS_MUSL_LIBC)
429#define _LIBCPP_HAS_QUICK_EXIT
430#define _LIBCPP_HAS_C11_FEATURES
David Blaikie97ab0022013-05-13 21:53:44 +0000431#endif
Vasileios Kalintiris281b4cf2015-11-09 10:21:04 +0000432#endif // __linux__
David Chisnall277ad052012-03-14 14:10:37 +0000433#endif
434
Eric Fiselier1af87ca2015-12-15 22:16:47 +0000435#if !(__has_feature(cxx_noexcept))
436#define _LIBCPP_HAS_NO_NOEXCEPT
Howard Hinnant68d13392011-05-11 20:19:40 +0000437#endif
438
Alexis Hunt43b6e8e2011-07-18 18:37:21 +0000439#if __has_feature(underlying_type)
Marshall Clow20723522014-06-26 01:07:56 +0000440# define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
441#endif
442
443#if __has_feature(is_literal)
444# define _LIBCPP_IS_LITERAL(T) __is_literal(T)
Alexis Hunt43b6e8e2011-07-18 18:37:21 +0000445#endif
446
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000447// Inline namespaces are available in Clang regardless of C++ dialect.
448#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
449#define _LIBCPP_END_NAMESPACE_STD } }
450#define _VSTD std::_LIBCPP_NAMESPACE
451
452namespace std {
453 inline namespace _LIBCPP_NAMESPACE {
454 }
455}
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000456
Marshall Clow90fc0472014-04-14 15:44:57 +0000457#if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer)
458#define _LIBCPP_HAS_NO_ASAN
459#endif
460
Marshall Clow55b23d22016-01-12 00:38:04 +0000461// Allow for build-time disabling of unsigned integer sanitization
Jonathan Roelofs25463502016-01-13 23:27:08 +0000462#if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize)
Saleem Abdulrasool38acb642016-02-09 04:05:37 +0000463#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow")))
Marshall Clow55b23d22016-01-12 00:38:04 +0000464#endif
465
Marshall Clowdf5a11f2017-11-22 19:49:03 +0000466#if __has_builtin(__builtin_launder)
Marshall Clow77342692018-01-03 02:32:28 +0000467#define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER
468#endif
469
470#if !__is_identifier(__has_unique_object_representations)
471#define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS
Marshall Clowdf5a11f2017-11-22 19:49:03 +0000472#endif
473
Eric Fiselier8fbccea2017-01-06 21:42:58 +0000474#elif defined(_LIBCPP_COMPILER_GCC)
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000475
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000476#define _ALIGNAS(x) __attribute__((__aligned__(x)))
Howard Hinnant67f75172012-08-19 17:14:47 +0000477#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000478
Richard Smithcabd3922012-07-26 02:04:22 +0000479#define _LIBCPP_NORETURN __attribute__((noreturn))
Howard Hinnant1e570a32011-05-31 13:13:49 +0000480
Marshall Clow20723522014-06-26 01:07:56 +0000481#if _GNUC_VER >= 407
482#define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
483#define _LIBCPP_IS_LITERAL(T) __is_literal_type(T)
Eric Fiselierf7394302015-06-13 07:08:02 +0000484#define _LIBCPP_HAS_IS_FINAL
485#endif
486
487#if defined(__GNUC__) && _GNUC_VER >= 403
488# define _LIBCPP_HAS_IS_BASE_OF
Marshall Clow20723522014-06-26 01:07:56 +0000489#endif
490
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000491#if !__EXCEPTIONS
492#define _LIBCPP_NO_EXCEPTIONS
493#endif
494
Nico Weberd04e4752014-06-04 15:46:56 +0000495// constexpr was added to GCC in 4.6.
496#if _GNUC_VER < 406
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000497#define _LIBCPP_HAS_NO_CONSTEXPR
Nico Weberd04e4752014-06-04 15:46:56 +0000498// Can only use constexpr in c++11 mode.
499#elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L
500#define _LIBCPP_HAS_NO_CONSTEXPR
501#endif
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000502
Marshall Clowe2be6332015-10-20 07:37:11 +0000503// Determine if GCC supports relaxed constexpr
504#if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000505#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
Marshall Clowe2be6332015-10-20 07:37:11 +0000506#endif
507
Marshall Clowfaae6982015-03-17 15:30:22 +0000508// GCC 5 will support variable templates
Eric Fiselier88f07122015-12-15 00:32:21 +0000509#if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L
Marshall Clowfaae6982015-03-17 15:30:22 +0000510#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
Eric Fiselier88f07122015-12-15 00:32:21 +0000511#endif
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000512
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000513#ifndef __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000514#define _LIBCPP_HAS_NO_DECLTYPE
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000515#define _LIBCPP_HAS_NO_NULLPTR
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000516#define _LIBCPP_HAS_NO_UNICODE_CHARS
517#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant74279a52010-09-04 23:28:19 +0000518#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Logan Chien5eb2ac42013-12-14 06:44:09 +0000519#define _LIBCPP_HAS_NO_STRONG_ENUMS
Eric Fiselier1af87ca2015-12-15 22:16:47 +0000520#define _LIBCPP_HAS_NO_NOEXCEPT
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000521
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000522#else // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000523
Howard Hinnantcafe7172012-10-03 20:48:05 +0000524#if _GNUC_VER < 403
Howard Hinnant74279a52010-09-04 23:28:19 +0000525#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnantc51e1022010-05-11 19:42:16 +0000526#endif
527
Eric Fiselierf825e1b2015-12-23 08:20:26 +0000528
Howard Hinnantcafe7172012-10-03 20:48:05 +0000529#if _GNUC_VER < 404
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000530#define _LIBCPP_HAS_NO_DECLTYPE
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000531#define _LIBCPP_HAS_NO_UNICODE_CHARS
532#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant33711792011-08-12 21:56:02 +0000533#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
Howard Hinnantcafe7172012-10-03 20:48:05 +0000534#endif // _GNUC_VER < 404
Howard Hinnantc51e1022010-05-11 19:42:16 +0000535
Howard Hinnantcafe7172012-10-03 20:48:05 +0000536#if _GNUC_VER < 406
Eric Fiselier1af87ca2015-12-15 22:16:47 +0000537#define _LIBCPP_HAS_NO_NOEXCEPT
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000538#define _LIBCPP_HAS_NO_NULLPTR
Howard Hinnantc51e1022010-05-11 19:42:16 +0000539#endif
540
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000541#endif // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000542
Eric Fiselierd9498b32017-02-17 07:31:38 +0000543#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_NAMESPACE {
Howard Hinnantc51e1022010-05-11 19:42:16 +0000544#define _LIBCPP_END_NAMESPACE_STD } }
Howard Hinnantb1ad5a82011-06-30 21:18:19 +0000545#define _VSTD std::_LIBCPP_NAMESPACE
Howard Hinnantc51e1022010-05-11 19:42:16 +0000546
547namespace std {
Eric Fiselierd9498b32017-02-17 07:31:38 +0000548 inline namespace _LIBCPP_NAMESPACE {
549 }
Howard Hinnantc51e1022010-05-11 19:42:16 +0000550}
551
Marshall Clow90fc0472014-04-14 15:44:57 +0000552#if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__)
553#define _LIBCPP_HAS_NO_ASAN
554#endif
555
Marshall Clowdf5a11f2017-11-22 19:49:03 +0000556#if _GNUC_VER >= 700
Marshall Clow77342692018-01-03 02:32:28 +0000557#define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER
558#endif
559
560#if _GNUC_VER >= 700
561#define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS
Marshall Clowdf5a11f2017-11-22 19:49:03 +0000562#endif
563
Eric Fiselier8fbccea2017-01-06 21:42:58 +0000564#elif defined(_LIBCPP_COMPILER_MSVC)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000565
Eric Fiselier8fbccea2017-01-06 21:42:58 +0000566#define _LIBCPP_TOSTRING2(x) #x
567#define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
568#define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x))
569
570#if _MSC_VER < 1900
571#error "MSVC versions prior to Visual Studio 2015 are not supported"
572#endif
573
574#define _LIBCPP_HAS_IS_BASE_OF
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000575#define _LIBCPP_HAS_NO_CONSTEXPR
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000576#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
Marshall Clowfaae6982015-03-17 15:30:22 +0000577#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
Saleem Abdulrasool37d0c4f2017-01-04 05:49:59 +0000578#if _MSC_VER <= 1800
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000579#define _LIBCPP_HAS_NO_UNICODE_CHARS
Saleem Abdulrasool37d0c4f2017-01-04 05:49:59 +0000580#endif
Eric Fiselier1af87ca2015-12-15 22:16:47 +0000581#define _LIBCPP_HAS_NO_NOEXCEPT
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000582#define __alignof__ __alignof
Richard Smithcabd3922012-07-26 02:04:22 +0000583#define _LIBCPP_NORETURN __declspec(noreturn)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000584#define _ALIGNAS(x) __declspec(align(x))
585#define _LIBCPP_HAS_NO_VARIADICS
586
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000587#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
588#define _LIBCPP_END_NAMESPACE_STD }
589#define _VSTD std
590
Howard Hinnant33f04722013-10-04 23:56:37 +0000591# define _LIBCPP_WEAK
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000592namespace std {
593}
594
Marshall Clow90fc0472014-04-14 15:44:57 +0000595#define _LIBCPP_HAS_NO_ASAN
596
Eric Fiselier8fbccea2017-01-06 21:42:58 +0000597#elif defined(_LIBCPP_COMPILER_IBM)
Howard Hinnantea382952013-08-14 18:00:20 +0000598
599#define _ALIGNAS(x) __attribute__((__aligned__(x)))
600#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
601#define _ATTRIBUTE(x) __attribute__((x))
602#define _LIBCPP_NORETURN __attribute__((noreturn))
603
Howard Hinnantea382952013-08-14 18:00:20 +0000604#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
Eric Fiselier1af87ca2015-12-15 22:16:47 +0000605#define _LIBCPP_HAS_NO_NOEXCEPT
Howard Hinnantea382952013-08-14 18:00:20 +0000606#define _LIBCPP_HAS_NO_NULLPTR
607#define _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantea382952013-08-14 18:00:20 +0000608#define _LIBCPP_HAS_IS_BASE_OF
Eric Fiselierf7394302015-06-13 07:08:02 +0000609#define _LIBCPP_HAS_IS_FINAL
Marshall Clowfaae6982015-03-17 15:30:22 +0000610#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
Howard Hinnantea382952013-08-14 18:00:20 +0000611
612#if defined(_AIX)
613#define __MULTILOCALE_API
614#endif
615
616#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
617#define _LIBCPP_END_NAMESPACE_STD } }
618#define _VSTD std::_LIBCPP_NAMESPACE
619
620namespace std {
621 inline namespace _LIBCPP_NAMESPACE {
622 }
623}
624
Marshall Clow90fc0472014-04-14 15:44:57 +0000625#define _LIBCPP_HAS_NO_ASAN
626
Eric Fiselier8fbccea2017-01-06 21:42:58 +0000627#endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM]
Howard Hinnantc51e1022010-05-11 19:42:16 +0000628
Saleem Abdulrasoolee302e42017-01-03 21:53:51 +0000629#if defined(_LIBCPP_OBJECT_FORMAT_COFF)
Peter Collingbourne725de942018-01-17 04:37:04 +0000630#ifdef _DLL
631# define _LIBCPP_CRT_FUNC __declspec(dllimport)
632#else
633# define _LIBCPP_CRT_FUNC
634#endif
635
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000636#if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000637# define _LIBCPP_DLL_VIS
Shoaib Meenai5ac10672016-09-19 18:29:07 +0000638# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
639# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
Shoaib Meenai2d71db42016-11-16 22:18:10 +0000640# define _LIBCPP_OVERRIDABLE_FUNC_VIS
Eric Fiselier51e8d2f2016-09-26 22:19:41 +0000641#elif defined(_LIBCPP_BUILDING_LIBRARY)
642# define _LIBCPP_DLL_VIS __declspec(dllexport)
643# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
644# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS
Shoaib Meenai2d71db42016-11-16 22:18:10 +0000645# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS
Eric Fiselier51e8d2f2016-09-26 22:19:41 +0000646#else
647# define _LIBCPP_DLL_VIS __declspec(dllimport)
648# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS
649# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
Shoaib Meenai2d71db42016-11-16 22:18:10 +0000650# define _LIBCPP_OVERRIDABLE_FUNC_VIS
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000651#endif
Eric Fiselier51e8d2f2016-09-26 22:19:41 +0000652
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000653#define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS
654#define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS
Eric Fiselier99505072017-01-16 21:01:00 +0000655#define _LIBCPP_EXTERN_VIS _LIBCPP_DLL_VIS
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000656#define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000657#define _LIBCPP_HIDDEN
Shoaib Meenai69c57412017-03-02 03:02:50 +0000658#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
Eric Fiselierb5eb1bf2017-01-04 23:56:00 +0000659#define _LIBCPP_TEMPLATE_VIS
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000660#define _LIBCPP_ENUM_VIS
Saleem Abdulrasoolee302e42017-01-03 21:53:51 +0000661
Eric Fiselier8fbccea2017-01-06 21:42:58 +0000662#if defined(_LIBCPP_COMPILER_MSVC)
Shoaib Meenai7e5a8612016-09-16 19:12:54 +0000663# define _LIBCPP_INLINE_VISIBILITY __forceinline
664# define _LIBCPP_ALWAYS_INLINE __forceinline
665# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __forceinline
666#else
667# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
668# define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
669# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__ ((__always_inline__))
670#endif
Saleem Abdulrasoolee302e42017-01-03 21:53:51 +0000671#endif // defined(_LIBCPP_OBJECT_FORMAT_COFF)
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000672
673#ifndef _LIBCPP_HIDDEN
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000674#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000675#define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000676#else
677#define _LIBCPP_HIDDEN
678#endif
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000679#endif
680
Shoaib Meenai5331f492017-03-09 00:18:00 +0000681#ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
682#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
Shoaib Meenai69c57412017-03-02 03:02:50 +0000683// The inline should be removed once PR32114 is resolved
684#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN
Shoaib Meenai5331f492017-03-09 00:18:00 +0000685#else
686#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
687#endif
688#endif
Shoaib Meenai69c57412017-03-02 03:02:50 +0000689
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000690#ifndef _LIBCPP_FUNC_VIS
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000691#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000692#define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default")))
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000693#else
694#define _LIBCPP_FUNC_VIS
695#endif
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000696#endif
697
698#ifndef _LIBCPP_TYPE_VIS
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000699# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
Shoaib Meenai55f3a462017-03-02 03:22:18 +0000700# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default")))
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000701# else
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000702# define _LIBCPP_TYPE_VIS
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000703# endif
704#endif
705
Eric Fiselierb5eb1bf2017-01-04 23:56:00 +0000706#ifndef _LIBCPP_TEMPLATE_VIS
Shoaib Meenai55f3a462017-03-02 03:22:18 +0000707# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
708# if __has_attribute(__type_visibility__)
709# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__type_visibility__("default")))
710# else
711# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__visibility__("default")))
712# endif
713# else
714# define _LIBCPP_TEMPLATE_VIS
715# endif
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000716#endif
717
Eric Fiselier99505072017-01-16 21:01:00 +0000718#ifndef _LIBCPP_EXTERN_VIS
719# define _LIBCPP_EXTERN_VIS
720#endif
721
Shoaib Meenai2d71db42016-11-16 22:18:10 +0000722#ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS
723# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS
724#endif
725
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000726#ifndef _LIBCPP_EXCEPTION_ABI
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000727#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000728#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000729#else
730#define _LIBCPP_EXCEPTION_ABI
731#endif
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000732#endif
733
734#ifndef _LIBCPP_ENUM_VIS
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000735# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000736# define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default")))
737# else
738# define _LIBCPP_ENUM_VIS
739# endif
740#endif
741
742#ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000743# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
Shoaib Meenai69c57412017-03-02 03:02:50 +0000744# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default")))
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000745# else
746# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
747# endif
748#endif
749
Shoaib Meenai5ac10672016-09-19 18:29:07 +0000750#ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
751# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
752#endif
753
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000754#ifndef _LIBCPP_INLINE_VISIBILITY
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000755#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
Eric Fiselierc7fc7082016-10-13 04:07:58 +0000756#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000757#else
758#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
759#endif
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000760#endif
761
762#ifndef _LIBCPP_ALWAYS_INLINE
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000763#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
Eric Fiselierc7fc7082016-10-13 04:07:58 +0000764#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__))
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000765#else
766#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
767#endif
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000768#endif
769
Eric Fiselier815ed732016-09-16 00:00:48 +0000770#ifndef _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY
Shoaib Meenaif36e9882016-12-05 19:40:12 +0000771# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
772# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__visibility__("default"), __always_inline__))
773# else
774# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__always_inline__))
775# endif
Eric Fiselier815ed732016-09-16 00:00:48 +0000776#endif
777
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000778#ifndef _LIBCPP_PREFERRED_OVERLOAD
779# if __has_attribute(__enable_if__)
780# define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, "")))
781# endif
782#endif
783
Eric Fiselier1af87ca2015-12-15 22:16:47 +0000784#ifndef _LIBCPP_HAS_NO_NOEXCEPT
785# define _NOEXCEPT noexcept
786# define _NOEXCEPT_(x) noexcept(x)
787#else
788# define _NOEXCEPT throw()
789# define _NOEXCEPT_(x)
790#endif
791
Eric Fiselierfb825432016-12-28 04:58:52 +0000792#if defined(_LIBCPP_DEBUG_USE_EXCEPTIONS)
793# if !defined(_LIBCPP_DEBUG)
794# error cannot use _LIBCPP_DEBUG_USE_EXCEPTIONS unless _LIBCPP_DEBUG is defined
795# endif
796# define _NOEXCEPT_DEBUG noexcept(false)
797# define _NOEXCEPT_DEBUG_(x) noexcept(false)
798#else
799# define _NOEXCEPT_DEBUG _NOEXCEPT
800# define _NOEXCEPT_DEBUG_(x) _NOEXCEPT_(x)
801#endif
802
Howard Hinnantc51e1022010-05-11 19:42:16 +0000803#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000804typedef unsigned short char16_t;
805typedef unsigned int char32_t;
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000806#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantc51e1022010-05-11 19:42:16 +0000807
Stephan Tolksdorf0efeb6c2014-03-26 19:45:52 +0000808#ifndef __SIZEOF_INT128__
809#define _LIBCPP_HAS_NO_INT128
810#endif
811
Eric Fiselierc6f17cc2016-09-25 03:34:28 +0000812#ifdef _LIBCPP_CXX03_LANG
813# if __has_extension(c_static_assert)
814# define static_assert(__b, __m) _Static_assert(__b, __m)
815# else
Richard Smith7f0d6482015-10-13 23:12:22 +0000816extern "C++" {
Howard Hinnantc51e1022010-05-11 19:42:16 +0000817template <bool> struct __static_assert_test;
818template <> struct __static_assert_test<true> {};
819template <unsigned> struct __static_assert_check {};
Richard Smith7f0d6482015-10-13 23:12:22 +0000820}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000821#define static_assert(__b, __m) \
822 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
823 _LIBCPP_CONCAT(__t, __LINE__)
Eric Fiselierc6f17cc2016-09-25 03:34:28 +0000824# endif // __has_extension(c_static_assert)
825#endif // _LIBCPP_CXX03_LANG
Howard Hinnantc51e1022010-05-11 19:42:16 +0000826
827#ifdef _LIBCPP_HAS_NO_DECLTYPE
Eric Fiselier86fcc922015-07-10 20:26:38 +0000828// GCC 4.6 provides __decltype in all standard modes.
Eric Fiselier73409252017-01-23 21:41:13 +0000829#if __has_keyword(__decltype) || _LIBCPP_CLANG_VER >= 304 || _GNUC_VER >= 406
Eric Fiselier1ac54842015-06-13 06:27:17 +0000830# define decltype(__x) __decltype(__x)
831#else
832# define decltype(__x) __typeof__(__x)
833#endif
Howard Hinnantc51e1022010-05-11 19:42:16 +0000834#endif
835
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000836#ifdef _LIBCPP_HAS_NO_CONSTEXPR
Howard Hinnant664183b2012-04-02 00:40:41 +0000837#define _LIBCPP_CONSTEXPR
838#else
839#define _LIBCPP_CONSTEXPR constexpr
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000840#endif
841
Eric Fiselier07b2b552016-11-18 06:42:17 +0000842#ifdef _LIBCPP_CXX03_LANG
Howard Hinnant3d284222013-05-02 20:18:43 +0000843#define _LIBCPP_DEFAULT {}
844#else
845#define _LIBCPP_DEFAULT = default;
846#endif
847
Eric Fiselier2d8515f2017-01-06 20:58:25 +0000848#ifdef _LIBCPP_CXX03_LANG
Eric Fiselierd06276b2016-03-31 02:15:15 +0000849#define _LIBCPP_EQUAL_DELETE
850#else
851#define _LIBCPP_EQUAL_DELETE = delete
852#endif
853
Nuno Lopes22df2dc2012-06-28 16:47:34 +0000854#ifdef __GNUC__
Joerg Sonnenberger4944e0b2013-04-29 19:52:08 +0000855#define _NOALIAS __attribute__((__malloc__))
Nuno Lopes22df2dc2012-06-28 16:47:34 +0000856#else
857#define _NOALIAS
858#endif
859
Eric Fiselier70d0df32017-01-13 18:03:46 +0000860#if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \
Eric Fiselier6a5f6f92016-12-30 14:05:52 +0000861 (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions
Howard Hinnant86a291f2012-02-21 21:46:43 +0000862# define _LIBCPP_EXPLICIT explicit
863#else
864# define _LIBCPP_EXPLICIT
865#endif
866
Richard Smith1f1c1472014-06-04 19:54:15 +0000867#if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete)
868# define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE
869#endif
870
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000871#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
Howard Hinnant8331b762013-03-06 23:30:19 +0000872#define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000873#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
Howard Hinnant49e145e2012-10-30 19:06:59 +0000874 __lx __v_; \
875 _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \
876 _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000877 _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \
878 };
879#else // _LIBCPP_HAS_NO_STRONG_ENUMS
Eric Fiselier1b57fa82016-09-15 22:27:07 +0000880#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000881#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
882#endif // _LIBCPP_HAS_NO_STRONG_ENUMS
883
Howard Hinnant6148a9b2013-08-23 20:10:18 +0000884#ifdef _LIBCPP_DEBUG
885# if _LIBCPP_DEBUG == 0
Howard Hinnant8ea98242013-08-23 17:37:05 +0000886# define _LIBCPP_DEBUG_LEVEL 1
Howard Hinnant6148a9b2013-08-23 20:10:18 +0000887# elif _LIBCPP_DEBUG == 1
Howard Hinnant8ea98242013-08-23 17:37:05 +0000888# define _LIBCPP_DEBUG_LEVEL 2
889# else
Howard Hinnant6148a9b2013-08-23 20:10:18 +0000890# error Supported values for _LIBCPP_DEBUG are 0 and 1
Howard Hinnant8ea98242013-08-23 17:37:05 +0000891# endif
Eric Fiselier59cd98b2017-02-04 23:22:28 +0000892# if !defined(_LIBCPP_BUILDING_LIBRARY)
Howard Hinnant8ea98242013-08-23 17:37:05 +0000893# define _LIBCPP_EXTERN_TEMPLATE(...)
Eric Fiselier59cd98b2017-02-04 23:22:28 +0000894# endif
Howard Hinnant8ea98242013-08-23 17:37:05 +0000895#endif
896
Shoaib Meenai2ba461c2017-04-13 20:13:32 +0000897#ifdef _LIBCPP_DISABLE_EXTERN_TEMPLATE
898#define _LIBCPP_EXTERN_TEMPLATE(...)
899#define _LIBCPP_EXTERN_TEMPLATE2(...)
900#endif
901
Howard Hinnant862ca992012-11-06 21:08:48 +0000902#ifndef _LIBCPP_EXTERN_TEMPLATE
Justin Bogner67105aa2014-08-15 17:58:56 +0000903#define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
Howard Hinnant862ca992012-11-06 21:08:48 +0000904#endif
905
Howard Hinnant8ea98242013-08-23 17:37:05 +0000906#ifndef _LIBCPP_EXTERN_TEMPLATE2
907#define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
908#endif
909
Tim Northover0528f502014-03-30 14:59:12 +0000910#if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__)
Tim Northovera4fb4622014-03-30 11:34:26 +0000911#define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63)
912#endif
913
Martin Storsjo5482ac62017-11-23 10:38:18 +0000914#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT_LIKE) || \
Ed Schouten13eb7dc2015-03-10 09:26:38 +0000915 defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__)
Alexis Hunt1adf2aa2011-07-15 05:40:33 +0000916#define _LIBCPP_LOCALE__L_EXTENSIONS 1
917#endif
Yaron Keren804da952013-12-20 13:19:45 +0000918
Ben Craig133f4c12016-02-10 13:47:25 +0000919#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
920// Most unix variants have catopen. These are the specific ones that don't.
Saleem Abdulrasoolee302e42017-01-03 21:53:51 +0000921#if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION)
Ed Schouten118b6032015-03-11 16:39:36 +0000922#define _LIBCPP_HAS_CATOPEN 1
923#endif
Ben Craig133f4c12016-02-10 13:47:25 +0000924#endif
Ed Schouten118b6032015-03-11 16:39:36 +0000925
Marshall Clow82378c02013-03-18 19:34:07 +0000926#ifdef __FreeBSD__
David Chisnall6ae8f352011-11-13 17:15:33 +0000927#define _DECLARE_C99_LDBL_MATH 1
928#endif
Alexis Hunt1adf2aa2011-07-15 05:40:33 +0000929
Eric Fiselier44832fb2017-01-20 01:47:26 +0000930#if defined(__APPLE__)
931# if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \
932 defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
Marshall Clow04ac8e02017-01-23 19:51:54 +0000933# define __MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
Eric Fiselier44832fb2017-01-20 01:47:26 +0000934# endif
935# if defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
936# if __MAC_OS_X_VERSION_MIN_REQUIRED < 1060
937# define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION
938# endif
939# endif
940#endif // defined(__APPLE__)
941
Marshall Clow82378c02013-03-18 19:34:07 +0000942#if defined(__APPLE__) || defined(__FreeBSD__)
Howard Hinnantf312e3e2011-09-28 23:39:33 +0000943#define _LIBCPP_HAS_DEFAULTRUNELOCALE
Alexis Hunt5a4dd562011-07-09 01:09:31 +0000944#endif
945
Marshall Clow82378c02013-03-18 19:34:07 +0000946#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
Alexis Huntc2017f12011-07-09 03:40:04 +0000947#define _LIBCPP_WCTYPE_IS_MASK
948#endif
949
Howard Hinnantdf7d11e2013-05-07 20:16:13 +0000950#ifndef _LIBCPP_STD_VER
951# if __cplusplus <= 201103L
952# define _LIBCPP_STD_VER 11
Marshall Clow348694e2014-06-06 22:31:09 +0000953# elif __cplusplus <= 201402L
954# define _LIBCPP_STD_VER 14
Marshall Clow3986c602017-07-17 03:02:27 +0000955# elif __cplusplus <= 201703L
956# define _LIBCPP_STD_VER 17
Howard Hinnantdf7d11e2013-05-07 20:16:13 +0000957# else
Marshall Clow3986c602017-07-17 03:02:27 +0000958# define _LIBCPP_STD_VER 18 // current year, or date of c++2a ratification
Howard Hinnantdf7d11e2013-05-07 20:16:13 +0000959# endif
960#endif // _LIBCPP_STD_VER
961
Marshall Clowa2cbe0d2013-09-28 18:35:31 +0000962#if _LIBCPP_STD_VER > 11
963#define _LIBCPP_DEPRECATED [[deprecated]]
964#else
965#define _LIBCPP_DEPRECATED
966#endif
967
Marshall Clow1045cee2013-07-15 14:57:19 +0000968#if _LIBCPP_STD_VER <= 11
Marshall Clowccaa0fb2013-08-27 20:18:59 +0000969#define _LIBCPP_EXPLICIT_AFTER_CXX11
Marshall Clowa2cbe0d2013-09-28 18:35:31 +0000970#define _LIBCPP_DEPRECATED_AFTER_CXX11
Marshall Clow1045cee2013-07-15 14:57:19 +0000971#else
Marshall Clowccaa0fb2013-08-27 20:18:59 +0000972#define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit
Marshall Clowa2cbe0d2013-09-28 18:35:31 +0000973#define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]]
Marshall Clow1045cee2013-07-15 14:57:19 +0000974#endif
975
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000976#if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
977#define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr
978#else
979#define _LIBCPP_CONSTEXPR_AFTER_CXX11
980#endif
981
Eric Fiselier0b3bfbe2016-03-17 03:30:56 +0000982#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
983#define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr
984#else
985#define _LIBCPP_CONSTEXPR_AFTER_CXX14
986#endif
987
Marshall Clow2a5c4212017-11-14 22:26:50 +0000988#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
989#define _LIBCPP_CONSTEXPR_AFTER_CXX17 constexpr
990#else
991#define _LIBCPP_CONSTEXPR_AFTER_CXX17
992#endif
993
994#if __has_cpp_attribute(nodiscard) && _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_DISABLE_NODISCARD_AFTER_CXX17)
995#define _LIBCPP_NODISCARD_AFTER_CXX17 [[nodiscard]]
996#else
997#define _LIBCPP_NODISCARD_AFTER_CXX17
998#endif
999
Marshall Clowf1bf62f2018-01-02 17:17:01 +00001000#if _LIBCPP_STD_VER > 14 && defined(__cpp_inline_variables) && (__cpp_inline_variables >= 201606L)
1001# define _LIBCPP_INLINE_VAR inline
1002#else
1003# define _LIBCPP_INLINE_VAR
Eric Fiseliere4837422016-11-17 20:08:43 +00001004#endif
1005
Dimitry Andric830fb602015-08-19 06:43:33 +00001006#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES
1007# define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x)
1008#else
1009# define _LIBCPP_EXPLICIT_MOVE(x) (x)
1010#endif
1011
Marshall Clow2cd9d372014-05-08 14:14:06 +00001012#ifndef _LIBCPP_HAS_NO_ASAN
Eric Fiselier6a213162016-12-23 20:03:52 +00001013_LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container(
Marshall Clow2cd9d372014-05-08 14:14:06 +00001014 const void *, const void *, const void *, const void *);
1015#endif
1016
Howard Hinnant13087882013-10-04 21:24:21 +00001017// Try to find out if RTTI is disabled.
1018// g++ and cl.exe have RTTI on by default and define a macro when it is.
1019// g++ only defines the macro in 4.3.2 and onwards.
1020#if !defined(_LIBCPP_NO_RTTI)
Marshall Clowb63146c2015-09-22 21:58:30 +00001021# if defined(__GNUC__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \
Alexey Volkov51353fd2014-09-03 14:30:39 +00001022 (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI)
Howard Hinnant13087882013-10-04 21:24:21 +00001023# define _LIBCPP_NO_RTTI
Eric Fiselier1e29ffc2017-05-10 21:40:58 +00001024# elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI)
Howard Hinnant13087882013-10-04 21:24:21 +00001025# define _LIBCPP_NO_RTTI
1026# endif
1027#endif
1028
Howard Hinnant33f04722013-10-04 23:56:37 +00001029#ifndef _LIBCPP_WEAK
1030# define _LIBCPP_WEAK __attribute__((__weak__))
1031#endif
1032
Asiri Rathnayakefa2e2032016-05-06 14:06:29 +00001033// Thread API
Eric Fiselierbfd45532017-01-06 23:15:16 +00001034#if !defined(_LIBCPP_HAS_NO_THREADS) && \
Asiri Rathnayakec07f0be2017-02-27 16:10:57 +00001035 !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \
Eric Fiselierd8a6c892017-05-10 21:34:58 +00001036 !defined(_LIBCPP_HAS_THREAD_API_WIN32) && \
Asiri Rathnayakec07f0be2017-02-27 16:10:57 +00001037 !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
Asiri Rathnayakefa2e2032016-05-06 14:06:29 +00001038# if defined(__FreeBSD__) || \
Petr Hosek34a54552016-10-10 18:53:32 +00001039 defined(__Fuchsia__) || \
Asiri Rathnayakefa2e2032016-05-06 14:06:29 +00001040 defined(__NetBSD__) || \
1041 defined(__linux__) || \
1042 defined(__APPLE__) || \
Eric Fiselier7ad718a2016-05-07 17:05:46 +00001043 defined(__CloudABI__) || \
Eric Fiselier08fc4c92017-05-10 02:36:48 +00001044 defined(__sun__) || \
Eric Fiselierd8a6c892017-05-10 21:34:58 +00001045 (defined(__MINGW32__) && __libcpp_has_include(<pthread.h>))
Eric Fiselierbfd45532017-01-06 23:15:16 +00001046# define _LIBCPP_HAS_THREAD_API_PTHREAD
Saleem Abdulrasoolb75a5742017-01-07 03:07:45 +00001047# elif defined(_LIBCPP_WIN32API)
1048# define _LIBCPP_HAS_THREAD_API_WIN32
Asiri Rathnayakefa2e2032016-05-06 14:06:29 +00001049# else
1050# error "No thread API"
Ben Craig5593c4f2016-05-25 17:40:09 +00001051# endif // _LIBCPP_HAS_THREAD_API
Asiri Rathnayakefa2e2032016-05-06 14:06:29 +00001052#endif // _LIBCPP_HAS_NO_THREADS
1053
Ben Craig5593c4f2016-05-25 17:40:09 +00001054#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
1055# error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \
1056 _LIBCPP_HAS_NO_THREADS is not defined.
1057#endif
Asiri Rathnayakefa2e2032016-05-06 14:06:29 +00001058
Asiri Rathnayake94340d22016-09-11 21:46:40 +00001059#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
Asiri Rathnayake66a01e22017-02-27 15:49:51 +00001060# error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \
Asiri Rathnayake94340d22016-09-11 21:46:40 +00001061 _LIBCPP_HAS_NO_THREADS is defined.
1062#endif
1063
Eric Fiselier715b4162014-12-06 20:09:11 +00001064#if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS)
1065# error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \
1066 _LIBCPP_HAS_NO_THREADS is defined.
1067#endif
1068
Ed Schouten7009f4e2015-03-12 15:44:39 +00001069// Systems that use capability-based security (FreeBSD with Capsicum,
1070// Nuxi CloudABI) may only provide local filesystem access (using *at()).
1071// Functions like open(), rename(), unlink() and stat() should not be
1072// used, as they attempt to access the global filesystem namespace.
1073#ifdef __CloudABI__
1074#define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE
1075#endif
1076
Ed Schouten3a75c0b2015-03-26 14:35:46 +00001077// CloudABI is intended for running networked services. Processes do not
1078// have standard input and output channels.
1079#ifdef __CloudABI__
1080#define _LIBCPP_HAS_NO_STDIN
1081#define _LIBCPP_HAS_NO_STDOUT
1082#endif
1083
Dan Albert21800dc2016-09-19 18:00:45 +00001084#if defined(__BIONIC__) || defined(__CloudABI__) || \
Petr Hosekfdb4a872017-04-13 21:29:21 +00001085 defined(__Fuchsia__) || defined(_LIBCPP_HAS_MUSL_LIBC)
Dan Albertebdf28b2015-03-11 00:51:06 +00001086#define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
1087#endif
1088
Ed Schoutena810d5e2016-12-30 10:44:00 +00001089// Thread-unsafe functions such as strtok() and localtime()
Ed Schouten137c8632015-06-24 08:44:38 +00001090// are not available.
1091#ifdef __CloudABI__
1092#define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
1093#endif
1094
Eric Fiselierba725072017-01-14 04:27:58 +00001095#if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic)
Eric Fiselier8020b6c2015-08-19 17:21:46 +00001096#define _LIBCPP_HAS_C_ATOMIC_IMP
1097#elif _GNUC_VER > 407
1098#define _LIBCPP_HAS_GCC_ATOMIC_IMP
1099#endif
1100
1101#if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \
1102 || defined(_LIBCPP_HAS_NO_THREADS)
1103#define _LIBCPP_HAS_NO_ATOMIC_HEADER
1104#endif
1105
Marshall Clow91c7f642016-01-11 19:27:10 +00001106#ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
1107#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
Eric Fiselier100e24b2016-02-11 11:59:44 +00001108#endif
1109
Saleem Abdulrasoolb82f9602017-02-13 15:26:51 +00001110#if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS)
1111#if defined(__clang__) && __has_attribute(acquire_capability)
1112// Work around the attribute handling in clang. When both __declspec and
1113// __attribute__ are present, the processing goes awry preventing the definition
1114// of the types.
1115#if !defined(_LIBCPP_OBJECT_FORMAT_COFF)
Eric Fiselierc0c6c982016-03-16 02:30:06 +00001116#define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS
1117#endif
Saleem Abdulrasoolb82f9602017-02-13 15:26:51 +00001118#endif
1119#endif
Eric Fiselierc0c6c982016-03-16 02:30:06 +00001120
Eric Fiselier0d3da632016-09-03 00:11:33 +00001121#if __has_attribute(require_constant_initialization)
1122#define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__))
1123#else
1124#define _LIBCPP_SAFE_STATIC
1125#endif
1126
Eric Fiselierd4ec6352016-10-12 07:46:20 +00001127#if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700
Eric Fiselierc9a0e822017-04-12 23:08:46 +00001128# define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF
Eric Fiselierd4ec6352016-10-12 07:46:20 +00001129#endif
1130
Shoaib Meenai3879c9b2016-10-31 15:09:10 +00001131#if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS)
Saleem Abdulrasoolee302e42017-01-03 21:53:51 +00001132#if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION)
Shoaib Meenai3879c9b2016-10-31 15:09:10 +00001133#define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS
1134#endif
1135#endif
1136
Eric Fiseliera7a14ed2017-01-13 22:02:08 +00001137#if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS)
1138# define _LIBCPP_DIAGNOSE_WARNING(...) \
Eric Fiselierb5ab51d2017-01-13 23:45:39 +00001139 __attribute__((diagnose_if(__VA_ARGS__, "warning")))
Eric Fiseliera7a14ed2017-01-13 22:02:08 +00001140# define _LIBCPP_DIAGNOSE_ERROR(...) \
Eric Fiselierb5ab51d2017-01-13 23:45:39 +00001141 __attribute__((diagnose_if(__VA_ARGS__, "error")))
Eric Fiseliera7a14ed2017-01-13 22:02:08 +00001142#else
1143# define _LIBCPP_DIAGNOSE_WARNING(...)
1144# define _LIBCPP_DIAGNOSE_ERROR(...)
1145#endif
1146
Eric Fiselier53313f72017-05-05 20:50:24 +00001147#if __has_attribute(fallthough) || _GNUC_VER >= 700
Eric Fiselier4db80032017-05-05 20:32:26 +00001148// Use a function like macro to imply that it must be followed by a semicolon
1149#define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__))
1150#else
1151#define _LIBCPP_FALLTHROUGH() ((void)0)
1152#endif
1153
Eric Fiseliere3cec5f2017-01-16 21:15:08 +00001154#if defined(_LIBCPP_ABI_MICROSOFT) && \
1155 (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases))
1156# define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases)
1157#else
1158# define _LIBCPP_DECLSPEC_EMPTY_BASES
1159#endif
1160
Eric Fiselierddd77792017-02-17 03:25:08 +00001161#if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES)
Eric Fiselier65d5b4c2017-02-17 03:30:25 +00001162# define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR
Eric Fiselierddd77792017-02-17 03:25:08 +00001163# define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
Marshall Clowdfab6ae2017-03-23 13:44:06 +00001164# define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE
Marshall Clow26a027c2017-04-13 18:25:32 +00001165# define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS
Eric Fiselierddd77792017-02-17 03:25:08 +00001166#endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES
1167
Marshall Clow580b6e62017-03-24 03:40:36 +00001168#if !defined(__cpp_deduction_guides) || __cpp_deduction_guides < 201611
1169# define _LIBCPP_HAS_NO_DEDUCTION_GUIDES
1170#endif
1171
Eric Fiselierc9a0e822017-04-12 23:08:46 +00001172#if !__has_keyword(__is_aggregate) && (_GNUC_VER_NEW < 7001)
1173# define _LIBCPP_HAS_NO_IS_AGGREGATE
1174#endif
1175
Eric Fiselier40b66222017-05-26 01:52:59 +00001176#if !defined(__cpp_coroutines) || __cpp_coroutines < 201703L
1177# define _LIBCPP_HAS_NO_COROUTINES
1178#endif
1179
Mehdi Amini228053d2017-05-04 17:08:54 +00001180// Decide whether to use availability macros.
1181#if !defined(_LIBCPP_BUILDING_LIBRARY) && \
1182 !defined(_LIBCPP_DISABLE_AVAILABILITY) && \
1183 __has_feature(attribute_availability_with_strict) && \
1184 __has_feature(attribute_availability_in_templates)
1185#ifdef __APPLE__
1186#define _LIBCPP_USE_AVAILABILITY_APPLE
1187#endif
1188#endif
1189
1190// Define availability macros.
1191#if defined(_LIBCPP_USE_AVAILABILITY_APPLE)
1192#define _LIBCPP_AVAILABILITY_SHARED_MUTEX \
1193 __attribute__((availability(macosx,strict,introduced=10.12))) \
1194 __attribute__((availability(ios,strict,introduced=10.0))) \
1195 __attribute__((availability(tvos,strict,introduced=10.0))) \
1196 __attribute__((availability(watchos,strict,introduced=3.0)))
1197#define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS __attribute__((unavailable))
1198#define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH __attribute__((unavailable))
Duncan P. N. Exon Smith7566f702017-06-18 14:52:26 +00001199#define _LIBCPP_AVAILABILITY_BAD_ANY_CAST __attribute__((unavailable))
Mehdi Amini228053d2017-05-04 17:08:54 +00001200#define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS \
1201 __attribute__((availability(macosx,strict,introduced=10.12))) \
1202 __attribute__((availability(ios,strict,introduced=10.0))) \
1203 __attribute__((availability(tvos,strict,introduced=10.0))) \
1204 __attribute__((availability(watchos,strict,introduced=3.0)))
1205#define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE \
1206 __attribute__((availability(macosx,strict,introduced=10.12))) \
1207 __attribute__((availability(ios,strict,introduced=10.0))) \
1208 __attribute__((availability(tvos,strict,introduced=10.0))) \
1209 __attribute__((availability(watchos,strict,introduced=3.0)))
1210#define _LIBCPP_AVAILABILITY_FUTURE_ERROR \
1211 __attribute__((availability(ios,strict,introduced=6.0)))
1212#define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE \
1213 __attribute__((availability(macosx,strict,introduced=10.9))) \
1214 __attribute__((availability(ios,strict,introduced=7.0)))
1215#define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY \
1216 __attribute__((availability(macosx,strict,introduced=10.9))) \
1217 __attribute__((availability(ios,strict,introduced=7.0)))
1218#define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR \
1219 __attribute__((availability(macosx,strict,introduced=10.9))) \
1220 __attribute__((availability(ios,strict,introduced=7.0)))
1221#else
1222#define _LIBCPP_AVAILABILITY_SHARED_MUTEX
1223#define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
1224#define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
Duncan P. N. Exon Smith7566f702017-06-18 14:52:26 +00001225#define _LIBCPP_AVAILABILITY_BAD_ANY_CAST
Mehdi Amini228053d2017-05-04 17:08:54 +00001226#define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS
1227#define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE
1228#define _LIBCPP_AVAILABILITY_FUTURE_ERROR
1229#define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE
1230#define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY
1231#define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
1232#endif
1233
1234// Define availability that depends on _LIBCPP_NO_EXCEPTIONS.
1235#ifdef _LIBCPP_NO_EXCEPTIONS
1236#define _LIBCPP_AVAILABILITY_DYNARRAY
1237#define _LIBCPP_AVAILABILITY_FUTURE
Duncan P. N. Exon Smith7566f702017-06-18 14:52:26 +00001238#define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST
Mehdi Amini228053d2017-05-04 17:08:54 +00001239#else
1240#define _LIBCPP_AVAILABILITY_DYNARRAY _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
1241#define _LIBCPP_AVAILABILITY_FUTURE _LIBCPP_AVAILABILITY_FUTURE_ERROR
Duncan P. N. Exon Smith7566f702017-06-18 14:52:26 +00001242#define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST \
1243 _LIBCPP_AVAILABILITY_BAD_ANY_CAST
Mehdi Amini228053d2017-05-04 17:08:54 +00001244#endif
1245
1246// Availability of stream API in the dylib got dropped and re-added. The
1247// extern template should effectively be available at:
1248// availability(macosx,introduced=10.9)
1249// availability(ios,introduced=7.0)
1250#if defined(_LIBCPP_USE_AVAILABILITY_APPLE) && \
1251 ((defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \
Duncan P. N. Exon Smithb28fea72017-06-18 16:50:23 +00001252 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1090) || \
Mehdi Amini228053d2017-05-04 17:08:54 +00001253 (defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && \
Duncan P. N. Exon Smithb28fea72017-06-18 16:50:23 +00001254 __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ < 70000))
Mehdi Amini228053d2017-05-04 17:08:54 +00001255#define _LIBCPP_AVAILABILITY_NO_STREAMS_EXTERN_TEMPLATE
1256#endif
1257
Eric Fiselierf4433a32017-05-31 22:07:49 +00001258#if defined(_LIBCPP_COMPILER_IBM)
1259#define _LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO
1260#endif
1261
1262#if defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO)
1263# define _LIBCPP_PUSH_MACROS
1264# define _LIBCPP_POP_MACROS
1265#else
1266 // Don't warn about macro conflicts when we can restore them at the
1267 // end of the header.
1268# ifndef _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS
1269# define _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS
1270# endif
1271# if defined(_LIBCPP_COMPILER_MSVC)
1272# define _LIBCPP_PUSH_MACROS \
1273 __pragma(push_macro("min")) \
1274 __pragma(push_macro("max"))
1275# define _LIBCPP_POP_MACROS \
1276 __pragma(pop_macro("min")) \
1277 __pragma(pop_macro("max"))
1278# else
1279# define _LIBCPP_PUSH_MACROS \
1280 _Pragma("push_macro(\"min\")") \
1281 _Pragma("push_macro(\"max\")")
1282# define _LIBCPP_POP_MACROS \
1283 _Pragma("pop_macro(\"min\")") \
1284 _Pragma("pop_macro(\"max\")")
1285# endif
1286#endif // defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO)
1287
Saleem Abdulrasool987acad2017-12-05 19:32:49 +00001288#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY)
1289# if defined(_DLL)
Saleem Abdulrasool6529f3c2018-01-06 18:47:03 +00001290# pragma comment(lib, "c++.lib")
Saleem Abdulrasool987acad2017-12-05 19:32:49 +00001291# else
Saleem Abdulrasool6529f3c2018-01-06 18:47:03 +00001292# pragma comment(lib, "libc++.lib")
Saleem Abdulrasool987acad2017-12-05 19:32:49 +00001293# endif
1294#endif // defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY)
Eric Fiselier911dcad2017-06-16 01:57:41 +00001295
1296#endif // __cplusplus
1297
Eric Fiselier8020b6c2015-08-19 17:21:46 +00001298#endif // _LIBCPP_CONFIG