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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__)
15#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
16#endif
17
18#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
Howard Hinnantc51e1022010-05-11 19:42:16 +000019#pragma GCC system_header
Howard Hinnantaaaa52b2011-10-17 20:05:10 +000020#endif
Howard Hinnantc51e1022010-05-11 19:42:16 +000021
Eric Fiseliera80af822015-11-06 06:30:12 +000022#ifdef __cplusplus
23
Howard Hinnantcafe7172012-10-03 20:48:05 +000024#ifdef __GNUC__
25#define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__)
Eric Fiselier7d223172015-06-13 02:18:44 +000026#else
27#define _GNUC_VER 0
Howard Hinnantcafe7172012-10-03 20:48:05 +000028#endif
29
Marshall Clow955443b2015-07-17 16:36:44 +000030#define _LIBCPP_VERSION 3800
Howard Hinnantc51e1022010-05-11 19:42:16 +000031
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +000032#ifndef _LIBCPP_ABI_VERSION
Howard Hinnantc51e1022010-05-11 19:42:16 +000033#define _LIBCPP_ABI_VERSION 1
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +000034#endif
35
36#if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2
Evgeniy Stepanovc299de22015-11-06 22:02:29 +000037// Change short string represention so that string data starts at offset 0,
38// improving its alignment in some cases.
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +000039#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
Evgeniy Stepanovc299de22015-11-06 22:02:29 +000040// Fix deque iterator type in order to support incomplete types.
41#define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +000042#endif
Howard Hinnantc51e1022010-05-11 19:42:16 +000043
44#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y
45#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y)
46
47#define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION)
48
Eric Fiselier86fcc922015-07-10 20:26:38 +000049
50#ifndef __has_attribute
51#define __has_attribute(__x) 0
52#endif
53#ifndef __has_builtin
54#define __has_builtin(__x) 0
55#endif
Eric Fiselier8020b6c2015-08-19 17:21:46 +000056#ifndef __has_extension
57#define __has_extension(__x) 0
58#endif
Eric Fiselier86fcc922015-07-10 20:26:38 +000059#ifndef __has_feature
60#define __has_feature(__x) 0
61#endif
62// '__is_identifier' returns '0' if '__x' is a reserved identifier provided by
63// the compiler and '1' otherwise.
64#ifndef __is_identifier
65#define __is_identifier(__x) 1
66#endif
67
68
Howard Hinnantc51e1022010-05-11 19:42:16 +000069#ifdef __LITTLE_ENDIAN__
70#if __LITTLE_ENDIAN__
71#define _LIBCPP_LITTLE_ENDIAN 1
72#define _LIBCPP_BIG_ENDIAN 0
Howard Hinnant3b6579a2010-08-22 00:02:43 +000073#endif // __LITTLE_ENDIAN__
74#endif // __LITTLE_ENDIAN__
Howard Hinnantc51e1022010-05-11 19:42:16 +000075
76#ifdef __BIG_ENDIAN__
77#if __BIG_ENDIAN__
78#define _LIBCPP_LITTLE_ENDIAN 0
79#define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant3b6579a2010-08-22 00:02:43 +000080#endif // __BIG_ENDIAN__
81#endif // __BIG_ENDIAN__
Howard Hinnantc51e1022010-05-11 19:42:16 +000082
Dan Albert98d97792015-09-16 18:10:47 +000083#ifdef __BYTE_ORDER__
84#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
85#define _LIBCPP_LITTLE_ENDIAN 1
86#define _LIBCPP_BIG_ENDIAN 0
87#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
88#define _LIBCPP_LITTLE_ENDIAN 0
89#define _LIBCPP_BIG_ENDIAN 1
90#endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
91#endif // __BYTE_ORDER__
92
David Chisnall93008f02010-08-11 16:27:20 +000093#ifdef __FreeBSD__
94# include <sys/endian.h>
95# if _BYTE_ORDER == _LITTLE_ENDIAN
96# define _LIBCPP_LITTLE_ENDIAN 1
97# define _LIBCPP_BIG_ENDIAN 0
Howard Hinnant3b6579a2010-08-22 00:02:43 +000098# else // _BYTE_ORDER == _LITTLE_ENDIAN
David Chisnall93008f02010-08-11 16:27:20 +000099# define _LIBCPP_LITTLE_ENDIAN 0
100# define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000101# endif // _BYTE_ORDER == _LITTLE_ENDIAN
Howard Hinnant13830352012-11-26 21:18:17 +0000102# ifndef __LONG_LONG_SUPPORTED
103# define _LIBCPP_HAS_NO_LONG_LONG
104# endif // __LONG_LONG_SUPPORTED
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000105#endif // __FreeBSD__
David Chisnall93008f02010-08-11 16:27:20 +0000106
Joerg Sonnenberger153e4162013-05-17 21:17:34 +0000107#ifdef __NetBSD__
108# include <sys/endian.h>
109# if _BYTE_ORDER == _LITTLE_ENDIAN
110# define _LIBCPP_LITTLE_ENDIAN 1
111# define _LIBCPP_BIG_ENDIAN 0
112# else // _BYTE_ORDER == _LITTLE_ENDIAN
113# define _LIBCPP_LITTLE_ENDIAN 0
114# define _LIBCPP_BIG_ENDIAN 1
115# endif // _BYTE_ORDER == _LITTLE_ENDIAN
116# define _LIBCPP_HAS_QUICK_EXIT
117#endif // __NetBSD__
118
Howard Hinnant34bad2a2011-05-13 17:16:06 +0000119#ifdef _WIN32
120# define _LIBCPP_LITTLE_ENDIAN 1
121# define _LIBCPP_BIG_ENDIAN 0
Eric Fiselierf7394302015-06-13 07:08:02 +0000122// Compiler intrinsics (MSVC)
123#if defined(_MSC_VER) && _MSC_VER >= 1400
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000124# define _LIBCPP_HAS_IS_BASE_OF
Howard Hinnantdd0d7022011-09-22 19:10:18 +0000125# endif
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000126# if defined(_MSC_VER) && !defined(__clang__)
127# define _LIBCPP_MSVC // Using Microsoft Visual C++ compiler
Howard Hinnant408927e2013-10-04 21:14:44 +0000128# define _LIBCPP_TOSTRING2(x) #x
129# define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
130# define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x))
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000131# endif
Howard Hinnant8ad70912013-09-17 01:34:47 +0000132# // If mingw not explicitly detected, assume using MS C runtime only.
133# ifndef __MINGW32__
134# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
135# endif
Howard Hinnant34bad2a2011-05-13 17:16:06 +0000136#endif // _WIN32
137
David Chisnall8074c342012-02-29 13:05:08 +0000138#ifdef __sun__
139# include <sys/isa_defs.h>
140# ifdef _LITTLE_ENDIAN
141# define _LIBCPP_LITTLE_ENDIAN 1
142# define _LIBCPP_BIG_ENDIAN 0
143# else
144# define _LIBCPP_LITTLE_ENDIAN 0
145# define _LIBCPP_BIG_ENDIAN 1
146# endif
147#endif // __sun__
148
Ed Schoutendcf37402015-03-10 07:46:06 +0000149#if defined(__CloudABI__)
150 // Certain architectures provide arc4random(). Prefer using
151 // arc4random() over /dev/{u,}random to make it possible to obtain
152 // random data even when using sandboxing mechanisms such as chroots,
153 // Capsicum, etc.
154# define _LIBCPP_USING_ARC4_RANDOM
155#elif defined(__native_client__)
JF Bastiend4832032014-12-01 19:19:55 +0000156 // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access,
157 // including accesses to the special files under /dev. C++11's
158 // std::random_device is instead exposed through a NaCl syscall.
159# define _LIBCPP_USING_NACL_RANDOM
Ed Schoutendcf37402015-03-10 07:46:06 +0000160#elif defined(_WIN32)
161# define _LIBCPP_USING_WIN32_RANDOM
162#else
163# define _LIBCPP_USING_DEV_RANDOM
164#endif
JF Bastiend4832032014-12-01 19:19:55 +0000165
Howard Hinnantc51e1022010-05-11 19:42:16 +0000166#if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
Howard Hinnant155c2af2010-05-24 17:49:41 +0000167# include <endian.h>
168# if __BYTE_ORDER == __LITTLE_ENDIAN
169# define _LIBCPP_LITTLE_ENDIAN 1
170# define _LIBCPP_BIG_ENDIAN 0
171# elif __BYTE_ORDER == __BIG_ENDIAN
172# define _LIBCPP_LITTLE_ENDIAN 0
173# define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000174# else // __BYTE_ORDER == __BIG_ENDIAN
Howard Hinnant155c2af2010-05-24 17:49:41 +0000175# error unable to determine endian
176# endif
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000177#endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
Howard Hinnantc51e1022010-05-11 19:42:16 +0000178
Marshall Clow1f257322013-03-18 17:04:29 +0000179#ifdef _WIN32
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000180
181// only really useful for a DLL
182#ifdef _LIBCPP_DLL // this should be a compiler builtin define ideally...
183# ifdef cxx_EXPORTS
184# define _LIBCPP_HIDDEN
Howard Hinnant8331b762013-03-06 23:30:19 +0000185# define _LIBCPP_FUNC_VIS __declspec(dllexport)
186# define _LIBCPP_TYPE_VIS __declspec(dllexport)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000187# else
188# define _LIBCPP_HIDDEN
Howard Hinnant8331b762013-03-06 23:30:19 +0000189# define _LIBCPP_FUNC_VIS __declspec(dllimport)
190# define _LIBCPP_TYPE_VIS __declspec(dllimport)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000191# endif
192#else
193# define _LIBCPP_HIDDEN
Howard Hinnant8331b762013-03-06 23:30:19 +0000194# define _LIBCPP_FUNC_VIS
195# define _LIBCPP_TYPE_VIS
Howard Hinnantc51e1022010-05-11 19:42:16 +0000196#endif
197
Howard Hinnanta37d3cf2013-08-12 18:38:34 +0000198#define _LIBCPP_TYPE_VIS_ONLY
199#define _LIBCPP_FUNC_VIS_ONLY
200
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000201#ifndef _LIBCPP_INLINE_VISIBILITY
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000202# ifdef _LIBCPP_MSVC
Howard Hinnant2aa7ad42011-10-20 12:49:21 +0000203# define _LIBCPP_INLINE_VISIBILITY __forceinline
204# else // MinGW GCC and Clang
205# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
206# endif
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000207#endif
208
209#ifndef _LIBCPP_EXCEPTION_ABI
Howard Hinnant8331b762013-03-06 23:30:19 +0000210#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000211#endif
212
213#ifndef _LIBCPP_ALWAYS_INLINE
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000214# ifdef _LIBCPP_MSVC
Howard Hinnant2aa7ad42011-10-20 12:49:21 +0000215# define _LIBCPP_ALWAYS_INLINE __forceinline
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000216# endif
217#endif
218
219#endif // _WIN32
220
221#ifndef _LIBCPP_HIDDEN
Howard Hinnantc51e1022010-05-11 19:42:16 +0000222#define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000223#endif
224
Howard Hinnant8331b762013-03-06 23:30:19 +0000225#ifndef _LIBCPP_FUNC_VIS
226#define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default")))
227#endif
228
229#ifndef _LIBCPP_TYPE_VIS
Howard Hinnant59f73012013-11-13 00:39:22 +0000230# if __has_attribute(__type_visibility__)
Howard Hinnant411d2c52013-03-07 19:25:03 +0000231# define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default")))
232# else
233# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default")))
234# endif
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000235#endif
Howard Hinnantc51e1022010-05-11 19:42:16 +0000236
Howard Hinnanta37d3cf2013-08-12 18:38:34 +0000237#ifndef _LIBCPP_TYPE_VIS_ONLY
238# define _LIBCPP_TYPE_VIS_ONLY _LIBCPP_TYPE_VIS
239#endif
240
241#ifndef _LIBCPP_FUNC_VIS_ONLY
242# define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS
243#endif
244
Howard Hinnantc51e1022010-05-11 19:42:16 +0000245#ifndef _LIBCPP_INLINE_VISIBILITY
246#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
247#endif
248
249#ifndef _LIBCPP_EXCEPTION_ABI
Howard Hinnantd8893832013-12-04 21:03:23 +0000250#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
Howard Hinnantc51e1022010-05-11 19:42:16 +0000251#endif
252
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000253#ifndef _LIBCPP_ALWAYS_INLINE
Howard Hinnantcf823322010-12-17 14:46:43 +0000254#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__))
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000255#endif
Howard Hinnantc51e1022010-05-11 19:42:16 +0000256
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000257#if defined(__clang__)
258
Evgeniy Stepanovda2ff7e2015-10-13 23:48:28 +0000259// _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for
260// _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility.
261#if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \
262 !defined(__arm__)) || \
263 defined(_LIBCPP_ALTERNATE_STRING_LAYOUT)
264#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
Tim Northoverffc95932014-03-30 11:34:22 +0000265#endif
266
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000267#if __has_feature(cxx_alignas)
Howard Hinnant62cad692012-05-31 19:31:14 +0000268# define _ALIGNAS_TYPE(x) alignas(x)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000269# define _ALIGNAS(x) alignas(x)
270#else
Howard Hinnant076b28c2012-05-31 20:14:00 +0000271# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000272# define _ALIGNAS(x) __attribute__((__aligned__(x)))
273#endif
274
Howard Hinnante13b5842011-05-26 19:07:54 +0000275#if !__has_feature(cxx_alias_templates)
Howard Hinnant74279a52010-09-04 23:28:19 +0000276#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
Howard Hinnante13b5842011-05-26 19:07:54 +0000277#endif
Howard Hinnant8e6a3982010-09-07 20:31:18 +0000278
Marshall Clow2b12c312014-02-22 15:13:48 +0000279#if __cplusplus < 201103L
Howard Hinnant31cd14f2010-09-16 23:27:26 +0000280typedef __char16_t char16_t;
281typedef __char32_t char32_t;
Howard Hinnant8e6a3982010-09-07 20:31:18 +0000282#endif
Howard Hinnant74279a52010-09-04 23:28:19 +0000283
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000284#if !(__has_feature(cxx_exceptions))
285#define _LIBCPP_NO_EXCEPTIONS
286#endif
287
Howard Hinnant72f73582010-08-11 17:04:31 +0000288#if !(__has_feature(cxx_rtti))
289#define _LIBCPP_NO_RTTI
290#endif
291
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000292#if !(__has_feature(cxx_strong_enums))
293#define _LIBCPP_HAS_NO_STRONG_ENUMS
294#endif
295
Howard Hinnant74279a52010-09-04 23:28:19 +0000296#if !(__has_feature(cxx_decltype))
297#define _LIBCPP_HAS_NO_DECLTYPE
298#endif
299
Howard Hinnant8df96292011-05-26 17:07:32 +0000300#if __has_feature(cxx_attributes)
Richard Smithcabd3922012-07-26 02:04:22 +0000301# define _LIBCPP_NORETURN [[noreturn]]
Howard Hinnant8df96292011-05-26 17:07:32 +0000302#else
Richard Smithcabd3922012-07-26 02:04:22 +0000303# define _LIBCPP_NORETURN __attribute__ ((noreturn))
Howard Hinnant74279a52010-09-04 23:28:19 +0000304#endif
305
Dimitry Andric5785d602015-02-05 07:40:48 +0000306#define _LIBCPP_UNUSED __attribute__((__unused__))
307
Howard Hinnant3d284222013-05-02 20:18:43 +0000308#if !(__has_feature(cxx_defaulted_functions))
Howard Hinnant74279a52010-09-04 23:28:19 +0000309#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
Howard Hinnant3d284222013-05-02 20:18:43 +0000310#endif // !(__has_feature(cxx_defaulted_functions))
Howard Hinnant642b34a2010-09-29 18:13:54 +0000311
312#if !(__has_feature(cxx_deleted_functions))
Howard Hinnant74279a52010-09-04 23:28:19 +0000313#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
314#endif // !(__has_feature(cxx_deleted_functions))
315
316#if !(__has_feature(cxx_lambdas))
317#define _LIBCPP_HAS_NO_LAMBDAS
318#endif
319
320#if !(__has_feature(cxx_nullptr))
321#define _LIBCPP_HAS_NO_NULLPTR
322#endif
323
324#if !(__has_feature(cxx_rvalue_references))
325#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
326#endif
327
328#if !(__has_feature(cxx_static_assert))
329#define _LIBCPP_HAS_NO_STATIC_ASSERT
330#endif
331
332#if !(__has_feature(cxx_auto_type))
333#define _LIBCPP_HAS_NO_AUTO_TYPE
Howard Hinnant986832c2011-07-29 21:35:53 +0000334#endif
335
Howard Hinnantdf937d02011-07-31 17:10:44 +0000336#if !(__has_feature(cxx_access_control_sfinae)) || !__has_feature(cxx_trailing_return)
Howard Hinnant68d13392011-05-11 20:19:40 +0000337#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
Howard Hinnant74279a52010-09-04 23:28:19 +0000338#endif
339
340#if !(__has_feature(cxx_variadic_templates))
341#define _LIBCPP_HAS_NO_VARIADICS
342#endif
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000343
Howard Hinnant9e9eb952010-11-16 21:10:23 +0000344#if !(__has_feature(cxx_trailing_return))
345#define _LIBCPP_HAS_NO_TRAILING_RETURN
346#endif
347
Howard Hinnant33711792011-08-12 21:56:02 +0000348#if !(__has_feature(cxx_generalized_initializers))
349#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
350#endif
351
Howard Hinnantdd0d7022011-09-22 19:10:18 +0000352#if __has_feature(is_base_of)
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000353# define _LIBCPP_HAS_IS_BASE_OF
Howard Hinnantdd0d7022011-09-22 19:10:18 +0000354#endif
355
Eric Fiselierf7394302015-06-13 07:08:02 +0000356#if __has_feature(is_final)
357# define _LIBCPP_HAS_IS_FINAL
358#endif
359
Douglas Gregor13034442011-06-22 22:17:44 +0000360// Objective-C++ features (opt-in)
361#if __has_feature(objc_arc)
362#define _LIBCPP_HAS_OBJC_ARC
363#endif
364
365#if __has_feature(objc_arc_weak)
366#define _LIBCPP_HAS_OBJC_ARC_WEAK
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000367#define _LIBCPP_HAS_NO_STRONG_ENUMS
Douglas Gregor13034442011-06-22 22:17:44 +0000368#endif
369
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000370#if !(__has_feature(cxx_constexpr))
371#define _LIBCPP_HAS_NO_CONSTEXPR
372#endif
373
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000374#if !(__has_feature(cxx_relaxed_constexpr))
375#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
376#endif
377
Marshall Clowfaae6982015-03-17 15:30:22 +0000378#if !(__has_feature(cxx_variable_templates))
379#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
380#endif
381
David Blaikie97ab0022013-05-13 21:53:44 +0000382#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
383#if defined(__FreeBSD__)
David Chisnall277ad052012-03-14 14:10:37 +0000384#define _LIBCPP_HAS_QUICK_EXIT
Howard Hinnantcabc5a22012-10-13 18:03:53 +0000385#define _LIBCPP_HAS_C11_FEATURES
Marshall Clow3477ec92014-07-10 15:20:28 +0000386#elif defined(__ANDROID__)
387#define _LIBCPP_HAS_QUICK_EXIT
David Blaikie97ab0022013-05-13 21:53:44 +0000388#elif defined(__linux__)
Vasileios Kalintiris281b4cf2015-11-09 10:21:04 +0000389#if !defined(_LIBCPP_HAS_MUSL_LIBC)
390# include <features.h>
David Blaikie97ab0022013-05-13 21:53:44 +0000391#if __GLIBC_PREREQ(2, 15)
392#define _LIBCPP_HAS_QUICK_EXIT
393#endif
394#if __GLIBC_PREREQ(2, 17)
395#define _LIBCPP_HAS_C11_FEATURES
396#endif
Vasileios Kalintiris281b4cf2015-11-09 10:21:04 +0000397#else // defined(_LIBCPP_HAS_MUSL_LIBC)
398#define _LIBCPP_HAS_QUICK_EXIT
399#define _LIBCPP_HAS_C11_FEATURES
David Blaikie97ab0022013-05-13 21:53:44 +0000400#endif
Vasileios Kalintiris281b4cf2015-11-09 10:21:04 +0000401#endif // __linux__
David Chisnall277ad052012-03-14 14:10:37 +0000402#endif
403
Howard Hinnant68d13392011-05-11 20:19:40 +0000404#if (__has_feature(cxx_noexcept))
405# define _NOEXCEPT noexcept
406# define _NOEXCEPT_(x) noexcept(x)
Marshall Clow0869d9f2014-01-03 18:21:14 +0000407# define _NOEXCEPT_OR_FALSE(x) noexcept(x)
Howard Hinnant68d13392011-05-11 20:19:40 +0000408#else
409# define _NOEXCEPT throw()
410# define _NOEXCEPT_(x)
Marshall Clow0869d9f2014-01-03 18:21:14 +0000411# define _NOEXCEPT_OR_FALSE(x) false
Howard Hinnant68d13392011-05-11 20:19:40 +0000412#endif
413
Alexis Hunt43b6e8e2011-07-18 18:37:21 +0000414#if __has_feature(underlying_type)
Marshall Clow20723522014-06-26 01:07:56 +0000415# define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
416#endif
417
418#if __has_feature(is_literal)
419# define _LIBCPP_IS_LITERAL(T) __is_literal(T)
Alexis Hunt43b6e8e2011-07-18 18:37:21 +0000420#endif
421
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000422// Inline namespaces are available in Clang regardless of C++ dialect.
423#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
424#define _LIBCPP_END_NAMESPACE_STD } }
425#define _VSTD std::_LIBCPP_NAMESPACE
426
427namespace std {
428 inline namespace _LIBCPP_NAMESPACE {
429 }
430}
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000431
Marshall Clow90fc0472014-04-14 15:44:57 +0000432#if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer)
433#define _LIBCPP_HAS_NO_ASAN
434#endif
435
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000436#elif defined(__GNUC__)
437
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000438#define _ALIGNAS(x) __attribute__((__aligned__(x)))
Howard Hinnant67f75172012-08-19 17:14:47 +0000439#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000440
Richard Smithcabd3922012-07-26 02:04:22 +0000441#define _LIBCPP_NORETURN __attribute__((noreturn))
Howard Hinnant1e570a32011-05-31 13:13:49 +0000442
Dimitry Andric5785d602015-02-05 07:40:48 +0000443#define _LIBCPP_UNUSED __attribute__((__unused__))
444
Marshall Clow20723522014-06-26 01:07:56 +0000445#if _GNUC_VER >= 407
446#define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
447#define _LIBCPP_IS_LITERAL(T) __is_literal_type(T)
Eric Fiselierf7394302015-06-13 07:08:02 +0000448#define _LIBCPP_HAS_IS_FINAL
449#endif
450
451#if defined(__GNUC__) && _GNUC_VER >= 403
452# define _LIBCPP_HAS_IS_BASE_OF
Marshall Clow20723522014-06-26 01:07:56 +0000453#endif
454
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000455#if !__EXCEPTIONS
456#define _LIBCPP_NO_EXCEPTIONS
457#endif
458
459#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
Nico Weberd04e4752014-06-04 15:46:56 +0000460
461// constexpr was added to GCC in 4.6.
462#if _GNUC_VER < 406
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000463#define _LIBCPP_HAS_NO_CONSTEXPR
Nico Weberd04e4752014-06-04 15:46:56 +0000464// Can only use constexpr in c++11 mode.
465#elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L
466#define _LIBCPP_HAS_NO_CONSTEXPR
467#endif
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000468
Marshall Clowe2be6332015-10-20 07:37:11 +0000469// Determine if GCC supports relaxed constexpr
470#if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000471#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
Marshall Clowe2be6332015-10-20 07:37:11 +0000472#endif
473
Marshall Clowfaae6982015-03-17 15:30:22 +0000474// GCC 5 will support variable templates
Eric Fiselier88f07122015-12-15 00:32:21 +0000475#if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L
Marshall Clowfaae6982015-03-17 15:30:22 +0000476#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
Eric Fiselier88f07122015-12-15 00:32:21 +0000477#endif
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000478
Howard Hinnant68d13392011-05-11 20:19:40 +0000479#define _NOEXCEPT throw()
480#define _NOEXCEPT_(x)
Marshall Clow0869d9f2014-01-03 18:21:14 +0000481#define _NOEXCEPT_OR_FALSE(x) false
Howard Hinnant68d13392011-05-11 20:19:40 +0000482
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000483#ifndef __GXX_EXPERIMENTAL_CXX0X__
484
485#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
486#define _LIBCPP_HAS_NO_DECLTYPE
487#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
488#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
489#define _LIBCPP_HAS_NO_NULLPTR
490#define _LIBCPP_HAS_NO_STATIC_ASSERT
491#define _LIBCPP_HAS_NO_UNICODE_CHARS
492#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant74279a52010-09-04 23:28:19 +0000493#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnant8b24e862011-04-21 14:29:59 +0000494#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
Logan Chien5eb2ac42013-12-14 06:44:09 +0000495#define _LIBCPP_HAS_NO_STRONG_ENUMS
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000496
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000497#else // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000498
Howard Hinnant8b24e862011-04-21 14:29:59 +0000499#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
Howard Hinnant9e9eb952010-11-16 21:10:23 +0000500
Howard Hinnantcafe7172012-10-03 20:48:05 +0000501#if _GNUC_VER < 403
Howard Hinnant74279a52010-09-04 23:28:19 +0000502#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnantc51e1022010-05-11 19:42:16 +0000503#endif
504
Howard Hinnantcafe7172012-10-03 20:48:05 +0000505#if _GNUC_VER < 403
Howard Hinnantc51e1022010-05-11 19:42:16 +0000506#define _LIBCPP_HAS_NO_STATIC_ASSERT
507#endif
508
Howard Hinnantcafe7172012-10-03 20:48:05 +0000509#if _GNUC_VER < 404
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000510#define _LIBCPP_HAS_NO_DECLTYPE
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000511#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
Eric Fiselier88f07122015-12-15 00:32:21 +0000512#define _LIBCPP_HAS_NO_TRAILING_RETURN
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000513#define _LIBCPP_HAS_NO_UNICODE_CHARS
514#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant33711792011-08-12 21:56:02 +0000515#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
Howard Hinnantcafe7172012-10-03 20:48:05 +0000516#endif // _GNUC_VER < 404
Howard Hinnantc51e1022010-05-11 19:42:16 +0000517
Howard Hinnantcafe7172012-10-03 20:48:05 +0000518#if _GNUC_VER < 406
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000519#define _LIBCPP_HAS_NO_NULLPTR
Howard Hinnantc51e1022010-05-11 19:42:16 +0000520#endif
521
Yaron Keren45ada6c2013-11-22 09:22:12 +0000522#if _GNUC_VER < 407
523#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
524#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
525#endif
526
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000527#endif // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000528
Howard Hinnantc51e1022010-05-11 19:42:16 +0000529#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE {
530#define _LIBCPP_END_NAMESPACE_STD } }
Howard Hinnantb1ad5a82011-06-30 21:18:19 +0000531#define _VSTD std::_LIBCPP_NAMESPACE
Howard Hinnantc51e1022010-05-11 19:42:16 +0000532
533namespace std {
534namespace _LIBCPP_NAMESPACE {
535}
536using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
537}
538
Marshall Clow90fc0472014-04-14 15:44:57 +0000539#if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__)
540#define _LIBCPP_HAS_NO_ASAN
541#endif
542
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000543#elif defined(_LIBCPP_MSVC)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000544
Howard Hinnantbf074022011-10-22 20:59:45 +0000545#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000546#define _LIBCPP_HAS_NO_CONSTEXPR
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000547#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
Marshall Clowfaae6982015-03-17 15:30:22 +0000548#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000549#define _LIBCPP_HAS_NO_UNICODE_CHARS
550#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
Howard Hinnant7908cde2013-08-24 21:31:37 +0000551#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000552#define __alignof__ __alignof
Richard Smithcabd3922012-07-26 02:04:22 +0000553#define _LIBCPP_NORETURN __declspec(noreturn)
Dimitry Andric5785d602015-02-05 07:40:48 +0000554#define _LIBCPP_UNUSED
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000555#define _ALIGNAS(x) __declspec(align(x))
556#define _LIBCPP_HAS_NO_VARIADICS
557
Yaron Kerenc40b5372014-02-13 14:02:28 +0000558#define _NOEXCEPT throw ()
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000559#define _NOEXCEPT_(x)
Marshall Clow0869d9f2014-01-03 18:21:14 +0000560#define _NOEXCEPT_OR_FALSE(x) false
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000561
562#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
563#define _LIBCPP_END_NAMESPACE_STD }
564#define _VSTD std
565
Howard Hinnant33f04722013-10-04 23:56:37 +0000566# define _LIBCPP_WEAK
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000567namespace std {
568}
569
Marshall Clow90fc0472014-04-14 15:44:57 +0000570#define _LIBCPP_HAS_NO_ASAN
571
Howard Hinnantea382952013-08-14 18:00:20 +0000572#elif defined(__IBMCPP__)
573
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))
Dimitry Andric5785d602015-02-05 07:40:48 +0000578#define _LIBCPP_UNUSED
Howard Hinnantea382952013-08-14 18:00:20 +0000579
580#define _NOEXCEPT throw()
581#define _NOEXCEPT_(x)
Marshall Clow0869d9f2014-01-03 18:21:14 +0000582#define _NOEXCEPT_OR_FALSE(x) false
Howard Hinnantea382952013-08-14 18:00:20 +0000583
584#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
585#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
586#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
587#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
588#define _LIBCPP_HAS_NO_NULLPTR
589#define _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantea382952013-08-14 18:00:20 +0000590#define _LIBCPP_HAS_IS_BASE_OF
Eric Fiselierf7394302015-06-13 07:08:02 +0000591#define _LIBCPP_HAS_IS_FINAL
Marshall Clowfaae6982015-03-17 15:30:22 +0000592#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
Howard Hinnantea382952013-08-14 18:00:20 +0000593
594#if defined(_AIX)
595#define __MULTILOCALE_API
596#endif
597
598#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
599#define _LIBCPP_END_NAMESPACE_STD } }
600#define _VSTD std::_LIBCPP_NAMESPACE
601
602namespace std {
603 inline namespace _LIBCPP_NAMESPACE {
604 }
605}
606
Marshall Clow90fc0472014-04-14 15:44:57 +0000607#define _LIBCPP_HAS_NO_ASAN
608
Marshall Clow9083d642014-01-06 15:23:02 +0000609#endif // __clang__ || __GNUC__ || _MSC_VER || __IBMCPP__
Howard Hinnantc51e1022010-05-11 19:42:16 +0000610
611#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000612typedef unsigned short char16_t;
613typedef unsigned int char32_t;
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000614#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantc51e1022010-05-11 19:42:16 +0000615
Stephan Tolksdorf0efeb6c2014-03-26 19:45:52 +0000616#ifndef __SIZEOF_INT128__
617#define _LIBCPP_HAS_NO_INT128
618#endif
619
Howard Hinnantc51e1022010-05-11 19:42:16 +0000620#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT
621
Richard Smith7f0d6482015-10-13 23:12:22 +0000622extern "C++" {
Howard Hinnantc51e1022010-05-11 19:42:16 +0000623template <bool> struct __static_assert_test;
624template <> struct __static_assert_test<true> {};
625template <unsigned> struct __static_assert_check {};
Richard Smith7f0d6482015-10-13 23:12:22 +0000626}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000627#define static_assert(__b, __m) \
628 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
629 _LIBCPP_CONCAT(__t, __LINE__)
630
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000631#endif // _LIBCPP_HAS_NO_STATIC_ASSERT
Howard Hinnantc51e1022010-05-11 19:42:16 +0000632
633#ifdef _LIBCPP_HAS_NO_DECLTYPE
Eric Fiselier86fcc922015-07-10 20:26:38 +0000634// GCC 4.6 provides __decltype in all standard modes.
635#if !__is_identifier(__decltype) || _GNUC_VER >= 406
Eric Fiselier1ac54842015-06-13 06:27:17 +0000636# define decltype(__x) __decltype(__x)
637#else
638# define decltype(__x) __typeof__(__x)
639#endif
Howard Hinnantc51e1022010-05-11 19:42:16 +0000640#endif
641
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000642#ifdef _LIBCPP_HAS_NO_CONSTEXPR
Howard Hinnant664183b2012-04-02 00:40:41 +0000643#define _LIBCPP_CONSTEXPR
644#else
645#define _LIBCPP_CONSTEXPR constexpr
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000646#endif
647
Howard Hinnant3d284222013-05-02 20:18:43 +0000648#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
649#define _LIBCPP_DEFAULT {}
650#else
651#define _LIBCPP_DEFAULT = default;
652#endif
653
Nuno Lopes22df2dc2012-06-28 16:47:34 +0000654#ifdef __GNUC__
Joerg Sonnenberger4944e0b2013-04-29 19:52:08 +0000655#define _NOALIAS __attribute__((__malloc__))
Nuno Lopes22df2dc2012-06-28 16:47:34 +0000656#else
657#define _NOALIAS
658#endif
659
Marshall Clowd03f2c82013-11-19 19:16:03 +0000660#if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__)
Howard Hinnant86a291f2012-02-21 21:46:43 +0000661# define _LIBCPP_EXPLICIT explicit
662#else
663# define _LIBCPP_EXPLICIT
664#endif
665
Richard Smith1f1c1472014-06-04 19:54:15 +0000666#if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete)
667# define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE
668#endif
669
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000670#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
Howard Hinnant8331b762013-03-06 23:30:19 +0000671#define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000672#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
Howard Hinnant49e145e2012-10-30 19:06:59 +0000673 __lx __v_; \
674 _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \
675 _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000676 _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \
677 };
678#else // _LIBCPP_HAS_NO_STRONG_ENUMS
Howard Hinnant8331b762013-03-06 23:30:19 +0000679#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS x
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000680#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
681#endif // _LIBCPP_HAS_NO_STRONG_ENUMS
682
Howard Hinnant6148a9b2013-08-23 20:10:18 +0000683#ifdef _LIBCPP_DEBUG
684# if _LIBCPP_DEBUG == 0
Howard Hinnant8ea98242013-08-23 17:37:05 +0000685# define _LIBCPP_DEBUG_LEVEL 1
Howard Hinnant6148a9b2013-08-23 20:10:18 +0000686# elif _LIBCPP_DEBUG == 1
Howard Hinnant8ea98242013-08-23 17:37:05 +0000687# define _LIBCPP_DEBUG_LEVEL 2
688# else
Howard Hinnant6148a9b2013-08-23 20:10:18 +0000689# error Supported values for _LIBCPP_DEBUG are 0 and 1
Howard Hinnant8ea98242013-08-23 17:37:05 +0000690# endif
691# define _LIBCPP_EXTERN_TEMPLATE(...)
692#endif
693
Howard Hinnant862ca992012-11-06 21:08:48 +0000694#ifndef _LIBCPP_EXTERN_TEMPLATE
Justin Bogner67105aa2014-08-15 17:58:56 +0000695#define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
Howard Hinnant862ca992012-11-06 21:08:48 +0000696#endif
697
Howard Hinnant8ea98242013-08-23 17:37:05 +0000698#ifndef _LIBCPP_EXTERN_TEMPLATE2
699#define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
700#endif
701
Tim Northover0528f502014-03-30 14:59:12 +0000702#if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__)
Tim Northovera4fb4622014-03-30 11:34:26 +0000703#define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63)
704#endif
705
Ed Schouten13eb7dc2015-03-10 09:26:38 +0000706#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || \
707 defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__)
Alexis Hunt1adf2aa2011-07-15 05:40:33 +0000708#define _LIBCPP_LOCALE__L_EXTENSIONS 1
709#endif
Yaron Keren804da952013-12-20 13:19:45 +0000710
Ed Schouten118b6032015-03-11 16:39:36 +0000711#if !defined(_WIN32) && !defined(__ANDROID__) && !defined(_NEWLIB_VERSION) && \
712 !defined(__CloudABI__)
713#define _LIBCPP_HAS_CATOPEN 1
714#endif
715
Marshall Clow82378c02013-03-18 19:34:07 +0000716#ifdef __FreeBSD__
David Chisnall6ae8f352011-11-13 17:15:33 +0000717#define _DECLARE_C99_LDBL_MATH 1
718#endif
Alexis Hunt1adf2aa2011-07-15 05:40:33 +0000719
Marshall Clow82378c02013-03-18 19:34:07 +0000720#if defined(__APPLE__) || defined(__FreeBSD__)
Howard Hinnantf312e3e2011-09-28 23:39:33 +0000721#define _LIBCPP_HAS_DEFAULTRUNELOCALE
Alexis Hunt5a4dd562011-07-09 01:09:31 +0000722#endif
723
Marshall Clow82378c02013-03-18 19:34:07 +0000724#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
Alexis Huntc2017f12011-07-09 03:40:04 +0000725#define _LIBCPP_WCTYPE_IS_MASK
726#endif
727
Howard Hinnanta5a4cb62013-11-14 22:52:25 +0000728#ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR
729# define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 1
730#endif
731
Howard Hinnantdf7d11e2013-05-07 20:16:13 +0000732#ifndef _LIBCPP_STD_VER
733# if __cplusplus <= 201103L
734# define _LIBCPP_STD_VER 11
Marshall Clow348694e2014-06-06 22:31:09 +0000735# elif __cplusplus <= 201402L
736# define _LIBCPP_STD_VER 14
Howard Hinnantdf7d11e2013-05-07 20:16:13 +0000737# else
Marshall Clow348694e2014-06-06 22:31:09 +0000738# define _LIBCPP_STD_VER 15 // current year, or date of c++17 ratification
Howard Hinnantdf7d11e2013-05-07 20:16:13 +0000739# endif
740#endif // _LIBCPP_STD_VER
741
Marshall Clowa2cbe0d2013-09-28 18:35:31 +0000742#if _LIBCPP_STD_VER > 11
743#define _LIBCPP_DEPRECATED [[deprecated]]
744#else
745#define _LIBCPP_DEPRECATED
746#endif
747
Marshall Clow1045cee2013-07-15 14:57:19 +0000748#if _LIBCPP_STD_VER <= 11
Marshall Clowccaa0fb2013-08-27 20:18:59 +0000749#define _LIBCPP_EXPLICIT_AFTER_CXX11
Marshall Clowa2cbe0d2013-09-28 18:35:31 +0000750#define _LIBCPP_DEPRECATED_AFTER_CXX11
Marshall Clow1045cee2013-07-15 14:57:19 +0000751#else
Marshall Clowccaa0fb2013-08-27 20:18:59 +0000752#define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit
Marshall Clowa2cbe0d2013-09-28 18:35:31 +0000753#define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]]
Marshall Clow1045cee2013-07-15 14:57:19 +0000754#endif
755
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000756#if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
757#define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr
758#else
759#define _LIBCPP_CONSTEXPR_AFTER_CXX11
760#endif
761
Dimitry Andric830fb602015-08-19 06:43:33 +0000762#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES
763# define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x)
764#else
765# define _LIBCPP_EXPLICIT_MOVE(x) (x)
766#endif
767
Marshall Clow2cd9d372014-05-08 14:14:06 +0000768#ifndef _LIBCPP_HAS_NO_ASAN
769extern "C" void __sanitizer_annotate_contiguous_container(
770 const void *, const void *, const void *, const void *);
771#endif
772
Howard Hinnant13087882013-10-04 21:24:21 +0000773// Try to find out if RTTI is disabled.
774// g++ and cl.exe have RTTI on by default and define a macro when it is.
775// g++ only defines the macro in 4.3.2 and onwards.
776#if !defined(_LIBCPP_NO_RTTI)
Marshall Clowb63146c2015-09-22 21:58:30 +0000777# if defined(__GNUC__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \
Alexey Volkov51353fd2014-09-03 14:30:39 +0000778 (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI)
Howard Hinnant13087882013-10-04 21:24:21 +0000779# define _LIBCPP_NO_RTTI
780# elif (defined(_MSC_VER) && !defined(__clang__)) && !defined(_CPPRTTI)
781# define _LIBCPP_NO_RTTI
782# endif
783#endif
784
Howard Hinnant33f04722013-10-04 23:56:37 +0000785#ifndef _LIBCPP_WEAK
786# define _LIBCPP_WEAK __attribute__((__weak__))
787#endif
788
Eric Fiselier715b4162014-12-06 20:09:11 +0000789#if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS)
790# error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \
791 _LIBCPP_HAS_NO_THREADS is defined.
792#endif
793
Ed Schouten7009f4e2015-03-12 15:44:39 +0000794// Systems that use capability-based security (FreeBSD with Capsicum,
795// Nuxi CloudABI) may only provide local filesystem access (using *at()).
796// Functions like open(), rename(), unlink() and stat() should not be
797// used, as they attempt to access the global filesystem namespace.
798#ifdef __CloudABI__
799#define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE
800#endif
801
Ed Schouten3a75c0b2015-03-26 14:35:46 +0000802// CloudABI is intended for running networked services. Processes do not
803// have standard input and output channels.
804#ifdef __CloudABI__
805#define _LIBCPP_HAS_NO_STDIN
806#define _LIBCPP_HAS_NO_STDOUT
807#endif
808
Vasileios Kalintirisc5dd8942015-11-24 10:24:54 +0000809#if defined(__ANDROID__) || defined(__CloudABI__) || defined(_LIBCPP_HAS_MUSL_LIBC)
Dan Albertebdf28b2015-03-11 00:51:06 +0000810#define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
811#endif
812
Ed Schouten137c8632015-06-24 08:44:38 +0000813// Thread-unsafe functions such as strtok(), mbtowc() and localtime()
814// are not available.
815#ifdef __CloudABI__
816#define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
817#endif
818
Eric Fiselier8174ac12015-09-22 03:15:35 +0000819#if __has_feature(cxx_atomic) || __has_extension(c_atomic)
Eric Fiselier8020b6c2015-08-19 17:21:46 +0000820#define _LIBCPP_HAS_C_ATOMIC_IMP
821#elif _GNUC_VER > 407
822#define _LIBCPP_HAS_GCC_ATOMIC_IMP
823#endif
824
825#if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \
826 || defined(_LIBCPP_HAS_NO_THREADS)
827#define _LIBCPP_HAS_NO_ATOMIC_HEADER
828#endif
829
Eric Fiseliera80af822015-11-06 06:30:12 +0000830#endif // __cplusplus
831
Eric Fiselier8020b6c2015-08-19 17:21:46 +0000832#endif // _LIBCPP_CONFIG