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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
89#if !(__has_feature(cxx_exceptions))
90#define _LIBCPP_NO_EXCEPTIONS
91#endif
92
Howard Hinnantd4444702010-08-11 17:04:31 +000093#if !(__has_feature(cxx_rtti))
94#define _LIBCPP_NO_RTTI
95#endif
96
Howard Hinnant60a0a8e2010-08-10 20:48:29 +000097#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
Howard Hinnant60a0a8e2010-08-10 20:48:29 +000098#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
99
Howard Hinnant171a9a72010-09-03 23:03:25 +0000100#if __has_feature(cxx_inline_namespaces)
101#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
102#define _LIBCPP_END_NAMESPACE_STD } }
103#define _STD std::_LIBCPP_NAMESPACE
104
105namespace std {
106inline namespace _LIBCPP_NAMESPACE {
107}
108using namespace _LIBCPP_NAMESPACE;
109}
110#else // __has_feature(cxx_inline_namespaces)
111#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
112#define _LIBCPP_END_NAMESPACE_STD }
113#define _STD std
114#endif // __has_feature(cxx_inline_namespaces)
115
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000116#ifndef __GXX_EXPERIMENTAL_CXX0X__
117
118#define _LIBCPP_HAS_NO_DECLTYPE
119#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
120#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
121#define _LIBCPP_HAS_NO_NULLPTR
122#define _LIBCPP_HAS_NO_STATIC_ASSERT
123#define _LIBCPP_HAS_NO_UNICODE_CHARS
124#define _LIBCPP_HAS_NO_VARIADICS
125
Howard Hinnant324bb032010-08-22 00:02:43 +0000126#else // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000127
128#if __has_feature(cxx_rvalue_references)
129#define _LIBCPP_MOVE
130#endif
131
132#if !(__has_feature(cxx_decltype))
133#define _LIBCPP_HAS_NO_DECLTYPE
134#endif
135
136#if !(__has_feature(cxx_deleted_functions))
137#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
138#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
Howard Hinnant324bb032010-08-22 00:02:43 +0000139#endif // !(__has_feature(cxx_deleted_functions))
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000140
141#if !(__has_feature(cxx_nullptr))
142#define _LIBCPP_HAS_NO_NULLPTR
143#endif
144
145#if !(__has_feature(cxx_static_assert))
146#define _LIBCPP_HAS_NO_STATIC_ASSERT
147#endif
148
149#if !(__has_feature(cxx_variadic_templates))
150#define _LIBCPP_HAS_NO_VARIADICS
151#endif
152
Howard Hinnant324bb032010-08-22 00:02:43 +0000153#endif // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000154
155#elif defined(__GNUC__)
156
157#if !__EXCEPTIONS
158#define _LIBCPP_NO_EXCEPTIONS
159#endif
160
161#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
162
163#ifndef __GXX_EXPERIMENTAL_CXX0X__
164
165#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
166#define _LIBCPP_HAS_NO_DECLTYPE
167#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
168#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
169#define _LIBCPP_HAS_NO_NULLPTR
170#define _LIBCPP_HAS_NO_STATIC_ASSERT
171#define _LIBCPP_HAS_NO_UNICODE_CHARS
172#define _LIBCPP_HAS_NO_VARIADICS
173
Howard Hinnant324bb032010-08-22 00:02:43 +0000174#else // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000175
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000176#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 3
177#define _LIBCPP_MOVE
178#endif
179
180#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
181#define _LIBCPP_HAS_NO_STATIC_ASSERT
182#endif
183
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000184#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000185#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000186#define _LIBCPP_HAS_NO_DECLTYPE
187#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
188#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
189#define _LIBCPP_HAS_NO_UNICODE_CHARS
190#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant324bb032010-08-22 00:02:43 +0000191#endif // !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000192
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000193#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 6)
194#define _LIBCPP_HAS_NO_NULLPTR
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000195#endif
196
Howard Hinnant324bb032010-08-22 00:02:43 +0000197#endif // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000198
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000199#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE {
200#define _LIBCPP_END_NAMESPACE_STD } }
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000201#define _STD std::_LIBCPP_NAMESPACE
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000202
203namespace std {
204namespace _LIBCPP_NAMESPACE {
205}
206using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
207}
208
Howard Hinnant171a9a72010-09-03 23:03:25 +0000209#endif // defined(__GNUC__)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000210
211#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000212typedef unsigned short char16_t;
213typedef unsigned int char32_t;
Howard Hinnant324bb032010-08-22 00:02:43 +0000214#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000215
216#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT
217
218template <bool> struct __static_assert_test;
219template <> struct __static_assert_test<true> {};
220template <unsigned> struct __static_assert_check {};
221#define static_assert(__b, __m) \
222 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
223 _LIBCPP_CONCAT(__t, __LINE__)
224
Howard Hinnant324bb032010-08-22 00:02:43 +0000225#endif // _LIBCPP_HAS_NO_STATIC_ASSERT
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000226
227#ifdef _LIBCPP_HAS_NO_DECLTYPE
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000228#define decltype(x) __typeof__(x)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000229#endif
230
231#endif // _LIBCPP_CONFIG