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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
Howard Hinnant13d8bc12013-08-01 18:17:34 +000014#if !defined(_MSC_VER) || defined(__clang__)
Howard Hinnantc51e1022010-05-11 19:42:16 +000015#pragma GCC system_header
Howard Hinnantaaaa52b2011-10-17 20:05:10 +000016#endif
Howard Hinnantc51e1022010-05-11 19:42:16 +000017
Howard Hinnantcafe7172012-10-03 20:48:05 +000018#ifdef __GNUC__
19#define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__)
20#endif
21
Jonathan Roelofs7b977132014-09-03 00:29:02 +000022#if !_WIN32
23#include <unistd.h>
24#endif
25
Howard Hinnant24192cd2012-09-28 17:42:25 +000026#define _LIBCPP_VERSION 1101
Howard Hinnantc51e1022010-05-11 19:42:16 +000027
28#define _LIBCPP_ABI_VERSION 1
29
30#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y
31#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y)
32
33#define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION)
34
35#ifdef __LITTLE_ENDIAN__
36#if __LITTLE_ENDIAN__
37#define _LIBCPP_LITTLE_ENDIAN 1
38#define _LIBCPP_BIG_ENDIAN 0
Howard Hinnant3b6579a2010-08-22 00:02:43 +000039#endif // __LITTLE_ENDIAN__
40#endif // __LITTLE_ENDIAN__
Howard Hinnantc51e1022010-05-11 19:42:16 +000041
42#ifdef __BIG_ENDIAN__
43#if __BIG_ENDIAN__
44#define _LIBCPP_LITTLE_ENDIAN 0
45#define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant3b6579a2010-08-22 00:02:43 +000046#endif // __BIG_ENDIAN__
47#endif // __BIG_ENDIAN__
Howard Hinnantc51e1022010-05-11 19:42:16 +000048
David Chisnall93008f02010-08-11 16:27:20 +000049#ifdef __FreeBSD__
50# include <sys/endian.h>
51# if _BYTE_ORDER == _LITTLE_ENDIAN
52# define _LIBCPP_LITTLE_ENDIAN 1
53# define _LIBCPP_BIG_ENDIAN 0
Howard Hinnant3b6579a2010-08-22 00:02:43 +000054# else // _BYTE_ORDER == _LITTLE_ENDIAN
David Chisnall93008f02010-08-11 16:27:20 +000055# define _LIBCPP_LITTLE_ENDIAN 0
56# define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant3b6579a2010-08-22 00:02:43 +000057# endif // _BYTE_ORDER == _LITTLE_ENDIAN
Howard Hinnant13830352012-11-26 21:18:17 +000058# ifndef __LONG_LONG_SUPPORTED
59# define _LIBCPP_HAS_NO_LONG_LONG
60# endif // __LONG_LONG_SUPPORTED
Howard Hinnant3b6579a2010-08-22 00:02:43 +000061#endif // __FreeBSD__
David Chisnall93008f02010-08-11 16:27:20 +000062
Joerg Sonnenberger153e4162013-05-17 21:17:34 +000063#ifdef __NetBSD__
64# include <sys/endian.h>
65# if _BYTE_ORDER == _LITTLE_ENDIAN
66# define _LIBCPP_LITTLE_ENDIAN 1
67# define _LIBCPP_BIG_ENDIAN 0
68# else // _BYTE_ORDER == _LITTLE_ENDIAN
69# define _LIBCPP_LITTLE_ENDIAN 0
70# define _LIBCPP_BIG_ENDIAN 1
71# endif // _BYTE_ORDER == _LITTLE_ENDIAN
72# define _LIBCPP_HAS_QUICK_EXIT
73#endif // __NetBSD__
74
Howard Hinnant34bad2a2011-05-13 17:16:06 +000075#ifdef _WIN32
76# define _LIBCPP_LITTLE_ENDIAN 1
77# define _LIBCPP_BIG_ENDIAN 0
Howard Hinnantdd0d7022011-09-22 19:10:18 +000078// Compiler intrinsics (GCC or MSVC)
Howard Hinnant13d8bc12013-08-01 18:17:34 +000079# if defined(__clang__) \
80 || (defined(_MSC_VER) && _MSC_VER >= 1400) \
Howard Hinnantcafe7172012-10-03 20:48:05 +000081 || (defined(__GNUC__) && _GNUC_VER > 403)
Howard Hinnant13d8bc12013-08-01 18:17:34 +000082# define _LIBCPP_HAS_IS_BASE_OF
Howard Hinnantdd0d7022011-09-22 19:10:18 +000083# endif
Howard Hinnant13d8bc12013-08-01 18:17:34 +000084# if defined(_MSC_VER) && !defined(__clang__)
85# define _LIBCPP_MSVC // Using Microsoft Visual C++ compiler
Howard Hinnant408927e2013-10-04 21:14:44 +000086# define _LIBCPP_TOSTRING2(x) #x
87# define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
88# define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x))
Howard Hinnant13d8bc12013-08-01 18:17:34 +000089# endif
Howard Hinnant8ad70912013-09-17 01:34:47 +000090# // If mingw not explicitly detected, assume using MS C runtime only.
91# ifndef __MINGW32__
92# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
93# endif
Howard Hinnant34bad2a2011-05-13 17:16:06 +000094#endif // _WIN32
95
Howard Hinnant672df152013-01-14 17:07:27 +000096#ifdef __linux__
97# if defined(__GNUC__) && _GNUC_VER >= 403
Howard Hinnant13d8bc12013-08-01 18:17:34 +000098# define _LIBCPP_HAS_IS_BASE_OF
Howard Hinnant672df152013-01-14 17:07:27 +000099# endif
100#endif
101
David Chisnall8074c342012-02-29 13:05:08 +0000102#ifdef __sun__
103# include <sys/isa_defs.h>
104# ifdef _LITTLE_ENDIAN
105# define _LIBCPP_LITTLE_ENDIAN 1
106# define _LIBCPP_BIG_ENDIAN 0
107# else
108# define _LIBCPP_LITTLE_ENDIAN 0
109# define _LIBCPP_BIG_ENDIAN 1
110# endif
111#endif // __sun__
112
Howard Hinnantc51e1022010-05-11 19:42:16 +0000113#if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
Howard Hinnant155c2af2010-05-24 17:49:41 +0000114# include <endian.h>
115# if __BYTE_ORDER == __LITTLE_ENDIAN
116# define _LIBCPP_LITTLE_ENDIAN 1
117# define _LIBCPP_BIG_ENDIAN 0
118# elif __BYTE_ORDER == __BIG_ENDIAN
119# define _LIBCPP_LITTLE_ENDIAN 0
120# define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000121# else // __BYTE_ORDER == __BIG_ENDIAN
Howard Hinnant155c2af2010-05-24 17:49:41 +0000122# error unable to determine endian
123# endif
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000124#endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
Howard Hinnantc51e1022010-05-11 19:42:16 +0000125
Marshall Clow1f257322013-03-18 17:04:29 +0000126#ifdef _WIN32
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000127
128// only really useful for a DLL
129#ifdef _LIBCPP_DLL // this should be a compiler builtin define ideally...
130# ifdef cxx_EXPORTS
131# define _LIBCPP_HIDDEN
Howard Hinnant8331b762013-03-06 23:30:19 +0000132# define _LIBCPP_FUNC_VIS __declspec(dllexport)
133# define _LIBCPP_TYPE_VIS __declspec(dllexport)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000134# else
135# define _LIBCPP_HIDDEN
Howard Hinnant8331b762013-03-06 23:30:19 +0000136# define _LIBCPP_FUNC_VIS __declspec(dllimport)
137# define _LIBCPP_TYPE_VIS __declspec(dllimport)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000138# endif
139#else
140# define _LIBCPP_HIDDEN
Howard Hinnant8331b762013-03-06 23:30:19 +0000141# define _LIBCPP_FUNC_VIS
142# define _LIBCPP_TYPE_VIS
Howard Hinnantc51e1022010-05-11 19:42:16 +0000143#endif
144
Howard Hinnanta37d3cf2013-08-12 18:38:34 +0000145#define _LIBCPP_TYPE_VIS_ONLY
146#define _LIBCPP_FUNC_VIS_ONLY
147
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000148#ifndef _LIBCPP_INLINE_VISIBILITY
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000149# ifdef _LIBCPP_MSVC
Howard Hinnant2aa7ad42011-10-20 12:49:21 +0000150# define _LIBCPP_INLINE_VISIBILITY __forceinline
151# else // MinGW GCC and Clang
152# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
153# endif
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000154#endif
155
156#ifndef _LIBCPP_EXCEPTION_ABI
Howard Hinnant8331b762013-03-06 23:30:19 +0000157#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000158#endif
159
160#ifndef _LIBCPP_ALWAYS_INLINE
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000161# ifdef _LIBCPP_MSVC
Howard Hinnant2aa7ad42011-10-20 12:49:21 +0000162# define _LIBCPP_ALWAYS_INLINE __forceinline
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000163# endif
164#endif
165
166#endif // _WIN32
167
Joerg Sonnenberger08e06982013-04-27 20:51:42 +0000168#ifndef __has_attribute
169#define __has_attribute(__x) 0
170#endif
171
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000172#ifndef _LIBCPP_HIDDEN
Howard Hinnantc51e1022010-05-11 19:42:16 +0000173#define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000174#endif
175
Howard Hinnant8331b762013-03-06 23:30:19 +0000176#ifndef _LIBCPP_FUNC_VIS
177#define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default")))
178#endif
179
180#ifndef _LIBCPP_TYPE_VIS
Howard Hinnant59f73012013-11-13 00:39:22 +0000181# if __has_attribute(__type_visibility__)
Howard Hinnant411d2c52013-03-07 19:25:03 +0000182# define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default")))
183# else
184# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default")))
185# endif
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000186#endif
Howard Hinnantc51e1022010-05-11 19:42:16 +0000187
Howard Hinnanta37d3cf2013-08-12 18:38:34 +0000188#ifndef _LIBCPP_TYPE_VIS_ONLY
189# define _LIBCPP_TYPE_VIS_ONLY _LIBCPP_TYPE_VIS
190#endif
191
192#ifndef _LIBCPP_FUNC_VIS_ONLY
193# define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS
194#endif
195
Howard Hinnantc51e1022010-05-11 19:42:16 +0000196#ifndef _LIBCPP_INLINE_VISIBILITY
197#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
198#endif
199
200#ifndef _LIBCPP_EXCEPTION_ABI
Howard Hinnantd8893832013-12-04 21:03:23 +0000201#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
Howard Hinnantc51e1022010-05-11 19:42:16 +0000202#endif
203
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000204#ifndef _LIBCPP_ALWAYS_INLINE
Howard Hinnantcf823322010-12-17 14:46:43 +0000205#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__))
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000206#endif
Howard Hinnantc51e1022010-05-11 19:42:16 +0000207
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000208#if defined(__clang__)
209
Tim Northover0528f502014-03-30 14:59:12 +0000210#if defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \
211 !defined(__arm__)
Tim Northoverffc95932014-03-30 11:34:22 +0000212#define _LIBCPP_ALTERNATE_STRING_LAYOUT
213#endif
214
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000215#if __has_feature(cxx_alignas)
Howard Hinnant62cad692012-05-31 19:31:14 +0000216# define _ALIGNAS_TYPE(x) alignas(x)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000217# define _ALIGNAS(x) alignas(x)
218#else
Howard Hinnant076b28c2012-05-31 20:14:00 +0000219# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000220# define _ALIGNAS(x) __attribute__((__aligned__(x)))
221#endif
222
Howard Hinnante13b5842011-05-26 19:07:54 +0000223#if !__has_feature(cxx_alias_templates)
Howard Hinnant74279a52010-09-04 23:28:19 +0000224#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
Howard Hinnante13b5842011-05-26 19:07:54 +0000225#endif
Howard Hinnant8e6a3982010-09-07 20:31:18 +0000226
Marshall Clow2b12c312014-02-22 15:13:48 +0000227#if __cplusplus < 201103L
Howard Hinnant38119ee2010-09-27 18:09:23 +0000228#ifdef __linux__
229#define _LIBCPP_HAS_NO_UNICODE_CHARS
230#else
Howard Hinnant31cd14f2010-09-16 23:27:26 +0000231typedef __char16_t char16_t;
232typedef __char32_t char32_t;
Howard Hinnant8e6a3982010-09-07 20:31:18 +0000233#endif
Howard Hinnant38119ee2010-09-27 18:09:23 +0000234#endif
Howard Hinnant74279a52010-09-04 23:28:19 +0000235
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000236#if !(__has_feature(cxx_exceptions))
237#define _LIBCPP_NO_EXCEPTIONS
238#endif
239
Howard Hinnant72f73582010-08-11 17:04:31 +0000240#if !(__has_feature(cxx_rtti))
241#define _LIBCPP_NO_RTTI
242#endif
243
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000244#if !(__has_feature(cxx_strong_enums))
245#define _LIBCPP_HAS_NO_STRONG_ENUMS
246#endif
247
Howard Hinnant74279a52010-09-04 23:28:19 +0000248#if !(__has_feature(cxx_decltype))
249#define _LIBCPP_HAS_NO_DECLTYPE
250#endif
251
Howard Hinnant8df96292011-05-26 17:07:32 +0000252#if __has_feature(cxx_attributes)
Richard Smithcabd3922012-07-26 02:04:22 +0000253# define _LIBCPP_NORETURN [[noreturn]]
Howard Hinnant8df96292011-05-26 17:07:32 +0000254#else
Richard Smithcabd3922012-07-26 02:04:22 +0000255# define _LIBCPP_NORETURN __attribute__ ((noreturn))
Howard Hinnant74279a52010-09-04 23:28:19 +0000256#endif
257
Howard Hinnant3d284222013-05-02 20:18:43 +0000258#if !(__has_feature(cxx_defaulted_functions))
Howard Hinnant74279a52010-09-04 23:28:19 +0000259#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
Howard Hinnant3d284222013-05-02 20:18:43 +0000260#endif // !(__has_feature(cxx_defaulted_functions))
Howard Hinnant642b34a2010-09-29 18:13:54 +0000261
262#if !(__has_feature(cxx_deleted_functions))
Howard Hinnant74279a52010-09-04 23:28:19 +0000263#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
264#endif // !(__has_feature(cxx_deleted_functions))
265
266#if !(__has_feature(cxx_lambdas))
267#define _LIBCPP_HAS_NO_LAMBDAS
268#endif
269
270#if !(__has_feature(cxx_nullptr))
271#define _LIBCPP_HAS_NO_NULLPTR
272#endif
273
274#if !(__has_feature(cxx_rvalue_references))
275#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
276#endif
277
278#if !(__has_feature(cxx_static_assert))
279#define _LIBCPP_HAS_NO_STATIC_ASSERT
280#endif
281
282#if !(__has_feature(cxx_auto_type))
283#define _LIBCPP_HAS_NO_AUTO_TYPE
Howard Hinnant986832c2011-07-29 21:35:53 +0000284#endif
285
Howard Hinnantdf937d02011-07-31 17:10:44 +0000286#if !(__has_feature(cxx_access_control_sfinae)) || !__has_feature(cxx_trailing_return)
Howard Hinnant68d13392011-05-11 20:19:40 +0000287#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
Howard Hinnant74279a52010-09-04 23:28:19 +0000288#endif
289
290#if !(__has_feature(cxx_variadic_templates))
291#define _LIBCPP_HAS_NO_VARIADICS
292#endif
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000293
Howard Hinnant9e9eb952010-11-16 21:10:23 +0000294#if !(__has_feature(cxx_trailing_return))
295#define _LIBCPP_HAS_NO_TRAILING_RETURN
296#endif
297
Howard Hinnant33711792011-08-12 21:56:02 +0000298#if !(__has_feature(cxx_generalized_initializers))
299#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
300#endif
301
Howard Hinnantdd0d7022011-09-22 19:10:18 +0000302#if __has_feature(is_base_of)
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000303# define _LIBCPP_HAS_IS_BASE_OF
Howard Hinnantdd0d7022011-09-22 19:10:18 +0000304#endif
305
Douglas Gregor13034442011-06-22 22:17:44 +0000306// Objective-C++ features (opt-in)
307#if __has_feature(objc_arc)
308#define _LIBCPP_HAS_OBJC_ARC
309#endif
310
311#if __has_feature(objc_arc_weak)
312#define _LIBCPP_HAS_OBJC_ARC_WEAK
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000313#define _LIBCPP_HAS_NO_STRONG_ENUMS
Douglas Gregor13034442011-06-22 22:17:44 +0000314#endif
315
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000316#if !(__has_feature(cxx_constexpr))
317#define _LIBCPP_HAS_NO_CONSTEXPR
318#endif
319
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000320#if !(__has_feature(cxx_relaxed_constexpr))
321#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
322#endif
323
David Blaikie97ab0022013-05-13 21:53:44 +0000324#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
325#if defined(__FreeBSD__)
David Chisnall277ad052012-03-14 14:10:37 +0000326#define _LIBCPP_HAS_QUICK_EXIT
Howard Hinnantcabc5a22012-10-13 18:03:53 +0000327#define _LIBCPP_HAS_C11_FEATURES
Marshall Clow3477ec92014-07-10 15:20:28 +0000328#elif defined(__ANDROID__)
329#define _LIBCPP_HAS_QUICK_EXIT
David Blaikie97ab0022013-05-13 21:53:44 +0000330#elif defined(__linux__)
331#include <features.h>
332#if __GLIBC_PREREQ(2, 15)
333#define _LIBCPP_HAS_QUICK_EXIT
334#endif
335#if __GLIBC_PREREQ(2, 17)
336#define _LIBCPP_HAS_C11_FEATURES
337#endif
338#endif
David Chisnall277ad052012-03-14 14:10:37 +0000339#endif
340
Howard Hinnant68d13392011-05-11 20:19:40 +0000341#if (__has_feature(cxx_noexcept))
342# define _NOEXCEPT noexcept
343# define _NOEXCEPT_(x) noexcept(x)
Marshall Clow0869d9f2014-01-03 18:21:14 +0000344# define _NOEXCEPT_OR_FALSE(x) noexcept(x)
Howard Hinnant68d13392011-05-11 20:19:40 +0000345#else
346# define _NOEXCEPT throw()
347# define _NOEXCEPT_(x)
Marshall Clow0869d9f2014-01-03 18:21:14 +0000348# define _NOEXCEPT_OR_FALSE(x) false
Howard Hinnant68d13392011-05-11 20:19:40 +0000349#endif
350
Alexis Hunt43b6e8e2011-07-18 18:37:21 +0000351#if __has_feature(underlying_type)
Marshall Clow20723522014-06-26 01:07:56 +0000352# define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
353#endif
354
355#if __has_feature(is_literal)
356# define _LIBCPP_IS_LITERAL(T) __is_literal(T)
Alexis Hunt43b6e8e2011-07-18 18:37:21 +0000357#endif
358
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000359// Inline namespaces are available in Clang regardless of C++ dialect.
360#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
361#define _LIBCPP_END_NAMESPACE_STD } }
362#define _VSTD std::_LIBCPP_NAMESPACE
363
364namespace std {
365 inline namespace _LIBCPP_NAMESPACE {
366 }
367}
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000368
Marshall Clow90fc0472014-04-14 15:44:57 +0000369#if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer)
370#define _LIBCPP_HAS_NO_ASAN
371#endif
372
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000373#elif defined(__GNUC__)
374
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000375#define _ALIGNAS(x) __attribute__((__aligned__(x)))
Howard Hinnant67f75172012-08-19 17:14:47 +0000376#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000377
Richard Smithcabd3922012-07-26 02:04:22 +0000378#define _LIBCPP_NORETURN __attribute__((noreturn))
Howard Hinnant1e570a32011-05-31 13:13:49 +0000379
Marshall Clow20723522014-06-26 01:07:56 +0000380#if _GNUC_VER >= 407
381#define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
382#define _LIBCPP_IS_LITERAL(T) __is_literal_type(T)
383#endif
384
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000385#if !__EXCEPTIONS
386#define _LIBCPP_NO_EXCEPTIONS
387#endif
388
389#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
Nico Weberd04e4752014-06-04 15:46:56 +0000390
391// constexpr was added to GCC in 4.6.
392#if _GNUC_VER < 406
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000393#define _LIBCPP_HAS_NO_CONSTEXPR
Nico Weberd04e4752014-06-04 15:46:56 +0000394// Can only use constexpr in c++11 mode.
395#elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L
396#define _LIBCPP_HAS_NO_CONSTEXPR
397#endif
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000398
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000399// No version of GCC supports relaxed constexpr rules
400#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
401
Howard Hinnant68d13392011-05-11 20:19:40 +0000402#define _NOEXCEPT throw()
403#define _NOEXCEPT_(x)
Marshall Clow0869d9f2014-01-03 18:21:14 +0000404#define _NOEXCEPT_OR_FALSE(x) false
Howard Hinnant68d13392011-05-11 20:19:40 +0000405
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000406#ifndef __GXX_EXPERIMENTAL_CXX0X__
407
408#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
409#define _LIBCPP_HAS_NO_DECLTYPE
410#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
411#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
412#define _LIBCPP_HAS_NO_NULLPTR
413#define _LIBCPP_HAS_NO_STATIC_ASSERT
414#define _LIBCPP_HAS_NO_UNICODE_CHARS
415#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant74279a52010-09-04 23:28:19 +0000416#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnant8b24e862011-04-21 14:29:59 +0000417#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
Logan Chien5eb2ac42013-12-14 06:44:09 +0000418#define _LIBCPP_HAS_NO_STRONG_ENUMS
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000419
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000420#else // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000421
Howard Hinnant9e9eb952010-11-16 21:10:23 +0000422#define _LIBCPP_HAS_NO_TRAILING_RETURN
Howard Hinnant8b24e862011-04-21 14:29:59 +0000423#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
Howard Hinnant9e9eb952010-11-16 21:10:23 +0000424
Howard Hinnantcafe7172012-10-03 20:48:05 +0000425#if _GNUC_VER < 403
Howard Hinnant74279a52010-09-04 23:28:19 +0000426#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnantc51e1022010-05-11 19:42:16 +0000427#endif
428
Howard Hinnantcafe7172012-10-03 20:48:05 +0000429#if _GNUC_VER < 403
Howard Hinnantc51e1022010-05-11 19:42:16 +0000430#define _LIBCPP_HAS_NO_STATIC_ASSERT
431#endif
432
Howard Hinnantcafe7172012-10-03 20:48:05 +0000433#if _GNUC_VER < 404
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000434#define _LIBCPP_HAS_NO_DECLTYPE
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000435#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
436#define _LIBCPP_HAS_NO_UNICODE_CHARS
437#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant33711792011-08-12 21:56:02 +0000438#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
Howard Hinnantcafe7172012-10-03 20:48:05 +0000439#endif // _GNUC_VER < 404
Howard Hinnantc51e1022010-05-11 19:42:16 +0000440
Howard Hinnantcafe7172012-10-03 20:48:05 +0000441#if _GNUC_VER < 406
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000442#define _LIBCPP_HAS_NO_NULLPTR
Howard Hinnantc51e1022010-05-11 19:42:16 +0000443#endif
444
Yaron Keren45ada6c2013-11-22 09:22:12 +0000445#if _GNUC_VER < 407
446#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
447#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
448#endif
449
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000450#endif // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000451
Howard Hinnantc51e1022010-05-11 19:42:16 +0000452#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE {
453#define _LIBCPP_END_NAMESPACE_STD } }
Howard Hinnantb1ad5a82011-06-30 21:18:19 +0000454#define _VSTD std::_LIBCPP_NAMESPACE
Howard Hinnantc51e1022010-05-11 19:42:16 +0000455
456namespace std {
457namespace _LIBCPP_NAMESPACE {
458}
459using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
460}
461
Marshall Clow90fc0472014-04-14 15:44:57 +0000462#if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__)
463#define _LIBCPP_HAS_NO_ASAN
464#endif
465
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000466#elif defined(_LIBCPP_MSVC)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000467
Howard Hinnantbf074022011-10-22 20:59:45 +0000468#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000469#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
470#define _LIBCPP_HAS_NO_CONSTEXPR
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000471#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000472#define _LIBCPP_HAS_NO_UNICODE_CHARS
473#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
Howard Hinnant7908cde2013-08-24 21:31:37 +0000474#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000475#define __alignof__ __alignof
Richard Smithcabd3922012-07-26 02:04:22 +0000476#define _LIBCPP_NORETURN __declspec(noreturn)
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000477#define _ALIGNAS(x) __declspec(align(x))
478#define _LIBCPP_HAS_NO_VARIADICS
479
Yaron Kerenc40b5372014-02-13 14:02:28 +0000480#define _NOEXCEPT throw ()
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000481#define _NOEXCEPT_(x)
Marshall Clow0869d9f2014-01-03 18:21:14 +0000482#define _NOEXCEPT_OR_FALSE(x) false
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000483
484#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
485#define _LIBCPP_END_NAMESPACE_STD }
486#define _VSTD std
487
Howard Hinnant33f04722013-10-04 23:56:37 +0000488# define _LIBCPP_WEAK
Howard Hinnantaaaa52b2011-10-17 20:05:10 +0000489namespace std {
490}
491
Marshall Clow90fc0472014-04-14 15:44:57 +0000492#define _LIBCPP_HAS_NO_ASAN
493
Howard Hinnantea382952013-08-14 18:00:20 +0000494#elif defined(__IBMCPP__)
495
496#define _ALIGNAS(x) __attribute__((__aligned__(x)))
497#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
498#define _ATTRIBUTE(x) __attribute__((x))
499#define _LIBCPP_NORETURN __attribute__((noreturn))
500
501#define _NOEXCEPT throw()
502#define _NOEXCEPT_(x)
Marshall Clow0869d9f2014-01-03 18:21:14 +0000503#define _NOEXCEPT_OR_FALSE(x) false
Howard Hinnantea382952013-08-14 18:00:20 +0000504
505#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
506#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
507#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
508#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
509#define _LIBCPP_HAS_NO_NULLPTR
510#define _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantea382952013-08-14 18:00:20 +0000511#define _LIBCPP_HAS_IS_BASE_OF
512
513#if defined(_AIX)
514#define __MULTILOCALE_API
515#endif
516
517#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
518#define _LIBCPP_END_NAMESPACE_STD } }
519#define _VSTD std::_LIBCPP_NAMESPACE
520
521namespace std {
522 inline namespace _LIBCPP_NAMESPACE {
523 }
524}
525
Marshall Clow90fc0472014-04-14 15:44:57 +0000526#define _LIBCPP_HAS_NO_ASAN
527
Marshall Clow9083d642014-01-06 15:23:02 +0000528#endif // __clang__ || __GNUC__ || _MSC_VER || __IBMCPP__
Howard Hinnantc51e1022010-05-11 19:42:16 +0000529
530#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantaa87c0f2010-08-10 20:48:29 +0000531typedef unsigned short char16_t;
532typedef unsigned int char32_t;
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000533#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantc51e1022010-05-11 19:42:16 +0000534
Stephan Tolksdorf0efeb6c2014-03-26 19:45:52 +0000535#ifndef __SIZEOF_INT128__
536#define _LIBCPP_HAS_NO_INT128
537#endif
538
Howard Hinnantc51e1022010-05-11 19:42:16 +0000539#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT
540
541template <bool> struct __static_assert_test;
542template <> struct __static_assert_test<true> {};
543template <unsigned> struct __static_assert_check {};
544#define static_assert(__b, __m) \
545 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
546 _LIBCPP_CONCAT(__t, __LINE__)
547
Howard Hinnant3b6579a2010-08-22 00:02:43 +0000548#endif // _LIBCPP_HAS_NO_STATIC_ASSERT
Howard Hinnantc51e1022010-05-11 19:42:16 +0000549
550#ifdef _LIBCPP_HAS_NO_DECLTYPE
Howard Hinnantc51e1022010-05-11 19:42:16 +0000551#define decltype(x) __typeof__(x)
Howard Hinnantc51e1022010-05-11 19:42:16 +0000552#endif
553
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000554#ifdef _LIBCPP_HAS_NO_CONSTEXPR
Howard Hinnant664183b2012-04-02 00:40:41 +0000555#define _LIBCPP_CONSTEXPR
556#else
557#define _LIBCPP_CONSTEXPR constexpr
Howard Hinnant62c8c0b2010-09-06 19:10:31 +0000558#endif
559
Howard Hinnant3d284222013-05-02 20:18:43 +0000560#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
561#define _LIBCPP_DEFAULT {}
562#else
563#define _LIBCPP_DEFAULT = default;
564#endif
565
Nuno Lopes22df2dc2012-06-28 16:47:34 +0000566#ifdef __GNUC__
Joerg Sonnenberger4944e0b2013-04-29 19:52:08 +0000567#define _NOALIAS __attribute__((__malloc__))
Nuno Lopes22df2dc2012-06-28 16:47:34 +0000568#else
569#define _NOALIAS
570#endif
571
Howard Hinnant44fd45e2010-10-05 13:38:23 +0000572#ifndef __has_feature
Howard Hinnantbb472a72010-10-04 19:01:30 +0000573#define __has_feature(__x) 0
574#endif
575
Richard Smith1f1c1472014-06-04 19:54:15 +0000576#ifndef __has_builtin
577#define __has_builtin(__x) 0
578#endif
579
Marshall Clowd03f2c82013-11-19 19:16:03 +0000580#if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__)
Howard Hinnant86a291f2012-02-21 21:46:43 +0000581# define _LIBCPP_EXPLICIT explicit
582#else
583# define _LIBCPP_EXPLICIT
584#endif
585
Richard Smith1f1c1472014-06-04 19:54:15 +0000586#if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete)
587# define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE
588#endif
589
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000590#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
Howard Hinnant8331b762013-03-06 23:30:19 +0000591#define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000592#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
Howard Hinnant49e145e2012-10-30 19:06:59 +0000593 __lx __v_; \
594 _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \
595 _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000596 _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \
597 };
598#else // _LIBCPP_HAS_NO_STRONG_ENUMS
Howard Hinnant8331b762013-03-06 23:30:19 +0000599#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS x
Howard Hinnant09bc0c92011-12-02 19:36:40 +0000600#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
601#endif // _LIBCPP_HAS_NO_STRONG_ENUMS
602
Howard Hinnant6148a9b2013-08-23 20:10:18 +0000603#ifdef _LIBCPP_DEBUG
604# if _LIBCPP_DEBUG == 0
Howard Hinnant8ea98242013-08-23 17:37:05 +0000605# define _LIBCPP_DEBUG_LEVEL 1
Howard Hinnant6148a9b2013-08-23 20:10:18 +0000606# elif _LIBCPP_DEBUG == 1
Howard Hinnant8ea98242013-08-23 17:37:05 +0000607# define _LIBCPP_DEBUG_LEVEL 2
608# else
Howard Hinnant6148a9b2013-08-23 20:10:18 +0000609# error Supported values for _LIBCPP_DEBUG are 0 and 1
Howard Hinnant8ea98242013-08-23 17:37:05 +0000610# endif
611# define _LIBCPP_EXTERN_TEMPLATE(...)
612#endif
613
Howard Hinnant862ca992012-11-06 21:08:48 +0000614#ifndef _LIBCPP_EXTERN_TEMPLATE
Justin Bogner67105aa2014-08-15 17:58:56 +0000615#define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
Howard Hinnant862ca992012-11-06 21:08:48 +0000616#endif
617
Howard Hinnant8ea98242013-08-23 17:37:05 +0000618#ifndef _LIBCPP_EXTERN_TEMPLATE2
619#define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
620#endif
621
Tim Northover0528f502014-03-30 14:59:12 +0000622#if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__)
Tim Northovera4fb4622014-03-30 11:34:26 +0000623#define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63)
624#endif
625
Joerg Sonnenberger153e4162013-05-17 21:17:34 +0000626#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || defined(__sun__) || defined(__NetBSD__)
Alexis Hunt1adf2aa2011-07-15 05:40:33 +0000627#define _LIBCPP_LOCALE__L_EXTENSIONS 1
628#endif
Yaron Keren804da952013-12-20 13:19:45 +0000629
Marshall Clow82378c02013-03-18 19:34:07 +0000630#ifdef __FreeBSD__
David Chisnall6ae8f352011-11-13 17:15:33 +0000631#define _DECLARE_C99_LDBL_MATH 1
632#endif
Alexis Hunt1adf2aa2011-07-15 05:40:33 +0000633
Marshall Clow82378c02013-03-18 19:34:07 +0000634#if defined(__APPLE__) || defined(__FreeBSD__)
Howard Hinnantf312e3e2011-09-28 23:39:33 +0000635#define _LIBCPP_HAS_DEFAULTRUNELOCALE
Alexis Hunt5a4dd562011-07-09 01:09:31 +0000636#endif
637
Marshall Clow82378c02013-03-18 19:34:07 +0000638#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
Alexis Huntc2017f12011-07-09 03:40:04 +0000639#define _LIBCPP_WCTYPE_IS_MASK
640#endif
641
Jonathan Roelofs6552b1e2014-09-02 20:34:23 +0000642#if defined(ELAST)
643#define _LIBCPP_ELAST ELAST
644#elif defined(__linux__)
645#define _LIBCPP_ELAST 4095
646#elif defined(_NEWLIB_VERSION)
647#define _LIBCPP_ELAST __ELASTERROR
Jonathan Roelofs9334c922014-09-02 22:09:50 +0000648#elif defined(__APPLE__)
649// Not _LIBCPP_ELAST needed on Apple
Jonathan Roelofs6552b1e2014-09-02 20:34:23 +0000650#else
651// Warn here so that the person doing the libcxx port has an easier time:
652#warning This platform's ELAST hasn't been ported yet
653#endif
654
Howard Hinnanta5a4cb62013-11-14 22:52:25 +0000655#ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR
656# define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 1
657#endif
658
Jonathan Roelofs7b6c8122014-09-02 21:56:01 +0000659#if !defined(__APPLE__) && \
Jonathan Roelofsece9c432014-09-02 23:49:15 +0000660 ((!defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0) || \
661 (!defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0))
Jonathan Roelofscce96eb2014-09-02 21:14:38 +0000662#define _LIBCPP_HAS_NO_MONOTONIC_CLOCK
663#endif
664
Howard Hinnantdf7d11e2013-05-07 20:16:13 +0000665#ifndef _LIBCPP_STD_VER
666# if __cplusplus <= 201103L
667# define _LIBCPP_STD_VER 11
Marshall Clow348694e2014-06-06 22:31:09 +0000668# elif __cplusplus <= 201402L
669# define _LIBCPP_STD_VER 14
Howard Hinnantdf7d11e2013-05-07 20:16:13 +0000670# else
Marshall Clow348694e2014-06-06 22:31:09 +0000671# define _LIBCPP_STD_VER 15 // current year, or date of c++17 ratification
Howard Hinnantdf7d11e2013-05-07 20:16:13 +0000672# endif
673#endif // _LIBCPP_STD_VER
674
Marshall Clowa2cbe0d2013-09-28 18:35:31 +0000675#if _LIBCPP_STD_VER > 11
676#define _LIBCPP_DEPRECATED [[deprecated]]
677#else
678#define _LIBCPP_DEPRECATED
679#endif
680
Marshall Clow1045cee2013-07-15 14:57:19 +0000681#if _LIBCPP_STD_VER <= 11
Marshall Clowccaa0fb2013-08-27 20:18:59 +0000682#define _LIBCPP_EXPLICIT_AFTER_CXX11
Marshall Clowa2cbe0d2013-09-28 18:35:31 +0000683#define _LIBCPP_DEPRECATED_AFTER_CXX11
Marshall Clow1045cee2013-07-15 14:57:19 +0000684#else
Marshall Clowccaa0fb2013-08-27 20:18:59 +0000685#define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit
Marshall Clowa2cbe0d2013-09-28 18:35:31 +0000686#define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]]
Marshall Clow1045cee2013-07-15 14:57:19 +0000687#endif
688
Eric Fiselierb4c0c662014-07-17 05:16:18 +0000689#if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
690#define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr
691#else
692#define _LIBCPP_CONSTEXPR_AFTER_CXX11
693#endif
694
Marshall Clow2cd9d372014-05-08 14:14:06 +0000695#ifndef _LIBCPP_HAS_NO_ASAN
696extern "C" void __sanitizer_annotate_contiguous_container(
697 const void *, const void *, const void *, const void *);
698#endif
699
Howard Hinnant13087882013-10-04 21:24:21 +0000700// Try to find out if RTTI is disabled.
701// g++ and cl.exe have RTTI on by default and define a macro when it is.
702// g++ only defines the macro in 4.3.2 and onwards.
703#if !defined(_LIBCPP_NO_RTTI)
Alexey Volkov51353fd2014-09-03 14:30:39 +0000704# if defined(__GNUG__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \
705 (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI)
Howard Hinnant13087882013-10-04 21:24:21 +0000706# define _LIBCPP_NO_RTTI
707# elif (defined(_MSC_VER) && !defined(__clang__)) && !defined(_CPPRTTI)
708# define _LIBCPP_NO_RTTI
709# endif
710#endif
711
Howard Hinnant33f04722013-10-04 23:56:37 +0000712#ifndef _LIBCPP_WEAK
713# define _LIBCPP_WEAK __attribute__((__weak__))
714#endif
715
Howard Hinnantc51e1022010-05-11 19:42:16 +0000716#endif // _LIBCPP_CONFIG