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Howard Hinnantbc8d3f92010-05-11 19:42:16 +00001// -*- C++ -*-
2//===--------------------------- __config ---------------------------------===//
3//
Howard Hinnantf5256e12010-05-11 21:36:01 +00004// The LLVM Compiler Infrastructure
Howard Hinnantbc8d3f92010-05-11 19:42:16 +00005//
6// This file is distributed under the University of Illinois Open Source
7// License. See LICENSE.TXT for details.
8//
9//===----------------------------------------------------------------------===//
10
11#ifndef _LIBCPP_CONFIG
12#define _LIBCPP_CONFIG
13
14#pragma GCC system_header
15
16#define _LIBCPP_VERSION 1000
17
18#define _LIBCPP_ABI_VERSION 1
19
20#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y
21#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y)
22
23#define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION)
24
25#ifdef __LITTLE_ENDIAN__
26#if __LITTLE_ENDIAN__
27#define _LIBCPP_LITTLE_ENDIAN 1
28#define _LIBCPP_BIG_ENDIAN 0
Howard Hinnant324bb032010-08-22 00:02:43 +000029#endif // __LITTLE_ENDIAN__
30#endif // __LITTLE_ENDIAN__
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000031
32#ifdef __BIG_ENDIAN__
33#if __BIG_ENDIAN__
34#define _LIBCPP_LITTLE_ENDIAN 0
35#define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant324bb032010-08-22 00:02:43 +000036#endif // __BIG_ENDIAN__
37#endif // __BIG_ENDIAN__
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000038
David Chisnall3e13d4f2010-08-11 16:27:20 +000039#ifdef __FreeBSD__
40# include <sys/endian.h>
41# if _BYTE_ORDER == _LITTLE_ENDIAN
42# define _LIBCPP_LITTLE_ENDIAN 1
43# define _LIBCPP_BIG_ENDIAN 0
Howard Hinnant324bb032010-08-22 00:02:43 +000044# else // _BYTE_ORDER == _LITTLE_ENDIAN
David Chisnall3e13d4f2010-08-11 16:27:20 +000045# define _LIBCPP_LITTLE_ENDIAN 0
46# define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant324bb032010-08-22 00:02:43 +000047# endif // _BYTE_ORDER == _LITTLE_ENDIAN
48#endif // __FreeBSD__
David Chisnall3e13d4f2010-08-11 16:27:20 +000049
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000050#if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
Howard Hinnantadff4892010-05-24 17:49:41 +000051# include <endian.h>
52# if __BYTE_ORDER == __LITTLE_ENDIAN
53# define _LIBCPP_LITTLE_ENDIAN 1
54# define _LIBCPP_BIG_ENDIAN 0
55# elif __BYTE_ORDER == __BIG_ENDIAN
56# define _LIBCPP_LITTLE_ENDIAN 0
57# define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant324bb032010-08-22 00:02:43 +000058# else // __BYTE_ORDER == __BIG_ENDIAN
Howard Hinnantadff4892010-05-24 17:49:41 +000059# error unable to determine endian
60# endif
Howard Hinnant324bb032010-08-22 00:02:43 +000061#endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000062
63#ifndef _LIBCPP_VISIBILITY_TAG
64#define _LIBCPP_VISIBILITY_TAG 1
65#endif
66
67#if _LIBCPP_VISIBILITY_TAG
68#define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
69#define _LIBCPP_VISIBLE __attribute__ ((__visibility__("default")))
Howard Hinnant324bb032010-08-22 00:02:43 +000070#else // _LIBCPP_VISIBILITY_TAG
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000071#define _LIBCPP_HIDDEN
72#define _LIBCPP_VISIBLE
Howard Hinnant324bb032010-08-22 00:02:43 +000073#endif // _LIBCPP_VISIBILITY_TAG
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000074
75#ifndef _LIBCPP_INLINE_VISIBILITY
76#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
77#endif
78
79#ifndef _LIBCPP_EXCEPTION_ABI
80#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
81#endif
82
83#define _LIBCPP_CANTTHROW __attribute__ ((__nothrow__))
84
85#define _LIBCPP_ALWAYS_INLINE __attribute__((__always_inline__))
86
Howard Hinnant60a0a8e2010-08-10 20:48:29 +000087#if defined(__clang__)
88
Howard Hinnant73d21a42010-09-04 23:28:19 +000089#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
90#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
Howard Hinnant87eea6d2010-09-07 20:31:18 +000091
92#ifndef __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnantd05c6e62010-09-27 18:09:23 +000093#ifdef __linux__
94#define _LIBCPP_HAS_NO_UNICODE_CHARS
95#else
Howard Hinnant3975ebd2010-09-16 23:27:26 +000096typedef __char16_t char16_t;
97typedef __char32_t char32_t;
Howard Hinnant87eea6d2010-09-07 20:31:18 +000098#endif
Howard Hinnantd05c6e62010-09-27 18:09:23 +000099#endif
Howard Hinnant73d21a42010-09-04 23:28:19 +0000100
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000101#if !(__has_feature(cxx_exceptions))
102#define _LIBCPP_NO_EXCEPTIONS
103#endif
104
Howard Hinnantd4444702010-08-11 17:04:31 +0000105#if !(__has_feature(cxx_rtti))
106#define _LIBCPP_NO_RTTI
107#endif
108
Howard Hinnant73d21a42010-09-04 23:28:19 +0000109#if !(__has_feature(cxx_decltype))
110#define _LIBCPP_HAS_NO_DECLTYPE
111#endif
112
113#if !(__has_feature(cxx_attributes))
114#define _LIBCPP_HAS_NO_ATTRIBUTES
115#endif
116
Howard Hinnant73d21a42010-09-04 23:28:19 +0000117#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
Howard Hinnanted760f42010-09-29 18:13:54 +0000118
119#if !(__has_feature(cxx_deleted_functions))
Howard Hinnant73d21a42010-09-04 23:28:19 +0000120#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
121#endif // !(__has_feature(cxx_deleted_functions))
122
123#if !(__has_feature(cxx_lambdas))
124#define _LIBCPP_HAS_NO_LAMBDAS
125#endif
126
127#if !(__has_feature(cxx_nullptr))
128#define _LIBCPP_HAS_NO_NULLPTR
129#endif
130
131#if !(__has_feature(cxx_rvalue_references))
132#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
133#endif
134
135#if !(__has_feature(cxx_static_assert))
136#define _LIBCPP_HAS_NO_STATIC_ASSERT
137#endif
138
139#if !(__has_feature(cxx_auto_type))
140#define _LIBCPP_HAS_NO_AUTO_TYPE
141#endif
142
143#if !(__has_feature(cxx_variadic_templates))
144#define _LIBCPP_HAS_NO_VARIADICS
145#endif
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000146
Howard Hinnant726a76f2010-11-16 21:10:23 +0000147#if !(__has_feature(cxx_trailing_return))
148#define _LIBCPP_HAS_NO_TRAILING_RETURN
149#endif
150
Howard Hinnant171a9a72010-09-03 23:03:25 +0000151#if __has_feature(cxx_inline_namespaces)
152#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
153#define _LIBCPP_END_NAMESPACE_STD } }
154#define _STD std::_LIBCPP_NAMESPACE
155
156namespace std {
157inline namespace _LIBCPP_NAMESPACE {
158}
159using namespace _LIBCPP_NAMESPACE;
160}
Howard Hinnant73d21a42010-09-04 23:28:19 +0000161
Howard Hinnant171a9a72010-09-03 23:03:25 +0000162#else // __has_feature(cxx_inline_namespaces)
163#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
164#define _LIBCPP_END_NAMESPACE_STD }
165#define _STD std
166#endif // __has_feature(cxx_inline_namespaces)
167
Howard Hinnant13870382010-09-06 19:10:31 +0000168#if !(__has_feature(cxx_constexpr))
169#define _LIBCPP_HAS_NO_CONSTEXPR
170#endif
171
Howard Hinnant73d21a42010-09-04 23:28:19 +0000172// end defined(__clang__)
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000173
174#elif defined(__GNUC__)
175
176#if !__EXCEPTIONS
177#define _LIBCPP_NO_EXCEPTIONS
178#endif
179
180#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
Howard Hinnant13870382010-09-06 19:10:31 +0000181#define _LIBCPP_HAS_NO_CONSTEXPR
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000182
183#ifndef __GXX_EXPERIMENTAL_CXX0X__
184
185#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
186#define _LIBCPP_HAS_NO_DECLTYPE
187#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
188#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
189#define _LIBCPP_HAS_NO_NULLPTR
190#define _LIBCPP_HAS_NO_STATIC_ASSERT
191#define _LIBCPP_HAS_NO_UNICODE_CHARS
192#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant73d21a42010-09-04 23:28:19 +0000193#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000194
Howard Hinnant324bb032010-08-22 00:02:43 +0000195#else // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000196
Howard Hinnant726a76f2010-11-16 21:10:23 +0000197#define _LIBCPP_HAS_NO_TRAILING_RETURN
198
Howard Hinnant73d21a42010-09-04 23:28:19 +0000199#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
200#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000201#endif
202
203#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
204#define _LIBCPP_HAS_NO_STATIC_ASSERT
205#endif
206
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000207#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000208#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000209#define _LIBCPP_HAS_NO_DECLTYPE
210#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
211#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
212#define _LIBCPP_HAS_NO_UNICODE_CHARS
213#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant324bb032010-08-22 00:02:43 +0000214#endif // !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000215
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000216#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 6)
217#define _LIBCPP_HAS_NO_NULLPTR
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000218#endif
219
Howard Hinnant324bb032010-08-22 00:02:43 +0000220#endif // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000221
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000222#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE {
223#define _LIBCPP_END_NAMESPACE_STD } }
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000224#define _STD std::_LIBCPP_NAMESPACE
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000225
226namespace std {
227namespace _LIBCPP_NAMESPACE {
228}
229using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
230}
231
Howard Hinnant171a9a72010-09-03 23:03:25 +0000232#endif // defined(__GNUC__)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000233
234#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000235typedef unsigned short char16_t;
236typedef unsigned int char32_t;
Howard Hinnant324bb032010-08-22 00:02:43 +0000237#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000238
239#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT
240
241template <bool> struct __static_assert_test;
242template <> struct __static_assert_test<true> {};
243template <unsigned> struct __static_assert_check {};
244#define static_assert(__b, __m) \
245 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
246 _LIBCPP_CONCAT(__t, __LINE__)
247
Howard Hinnant324bb032010-08-22 00:02:43 +0000248#endif // _LIBCPP_HAS_NO_STATIC_ASSERT
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000249
250#ifdef _LIBCPP_HAS_NO_DECLTYPE
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000251#define decltype(x) __typeof__(x)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000252#endif
253
Howard Hinnant13870382010-09-06 19:10:31 +0000254#ifdef _LIBCPP_HAS_NO_CONSTEXPR
255#define constexpr const
256#endif
257
Howard Hinnantb4ac7452010-10-05 13:38:23 +0000258#ifndef __has_feature
Howard Hinnant26994e32010-10-04 19:01:30 +0000259#define __has_feature(__x) 0
260#endif
261
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000262#endif // _LIBCPP_CONFIG