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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
91#define _LIBCPP_HAS_NO_UNICODE_CHARS
92
Howard Hinnant60a0a8e2010-08-10 20:48:29 +000093#if !(__has_feature(cxx_exceptions))
94#define _LIBCPP_NO_EXCEPTIONS
95#endif
96
Howard Hinnantd4444702010-08-11 17:04:31 +000097#if !(__has_feature(cxx_rtti))
98#define _LIBCPP_NO_RTTI
99#endif
100
Howard Hinnant73d21a42010-09-04 23:28:19 +0000101#if !(__has_feature(cxx_decltype))
102#define _LIBCPP_HAS_NO_DECLTYPE
103#endif
104
105#if !(__has_feature(cxx_attributes))
106#define _LIBCPP_HAS_NO_ATTRIBUTES
107#endif
108
109#if !(__has_feature(cxx_deleted_functions))
110#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
111#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
112#endif // !(__has_feature(cxx_deleted_functions))
113
114#if !(__has_feature(cxx_lambdas))
115#define _LIBCPP_HAS_NO_LAMBDAS
116#endif
117
118#if !(__has_feature(cxx_nullptr))
119#define _LIBCPP_HAS_NO_NULLPTR
120#endif
121
122#if !(__has_feature(cxx_rvalue_references))
123#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
124#endif
125
126#if !(__has_feature(cxx_static_assert))
127#define _LIBCPP_HAS_NO_STATIC_ASSERT
128#endif
129
130#if !(__has_feature(cxx_auto_type))
131#define _LIBCPP_HAS_NO_AUTO_TYPE
132#endif
133
134#if !(__has_feature(cxx_variadic_templates))
135#define _LIBCPP_HAS_NO_VARIADICS
136#endif
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000137
Howard Hinnant171a9a72010-09-03 23:03:25 +0000138#if __has_feature(cxx_inline_namespaces)
139#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
140#define _LIBCPP_END_NAMESPACE_STD } }
141#define _STD std::_LIBCPP_NAMESPACE
142
143namespace std {
144inline namespace _LIBCPP_NAMESPACE {
145}
146using namespace _LIBCPP_NAMESPACE;
147}
Howard Hinnant73d21a42010-09-04 23:28:19 +0000148
Howard Hinnant171a9a72010-09-03 23:03:25 +0000149#else // __has_feature(cxx_inline_namespaces)
150#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
151#define _LIBCPP_END_NAMESPACE_STD }
152#define _STD std
153#endif // __has_feature(cxx_inline_namespaces)
154
Howard Hinnant73d21a42010-09-04 23:28:19 +0000155// end defined(__clang__)
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000156
157#elif defined(__GNUC__)
158
159#if !__EXCEPTIONS
160#define _LIBCPP_NO_EXCEPTIONS
161#endif
162
163#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
164
165#ifndef __GXX_EXPERIMENTAL_CXX0X__
166
167#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
168#define _LIBCPP_HAS_NO_DECLTYPE
169#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
170#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
171#define _LIBCPP_HAS_NO_NULLPTR
172#define _LIBCPP_HAS_NO_STATIC_ASSERT
173#define _LIBCPP_HAS_NO_UNICODE_CHARS
174#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant73d21a42010-09-04 23:28:19 +0000175#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000176
Howard Hinnant324bb032010-08-22 00:02:43 +0000177#else // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000178
Howard Hinnant73d21a42010-09-04 23:28:19 +0000179#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
180#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000181#endif
182
183#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
184#define _LIBCPP_HAS_NO_STATIC_ASSERT
185#endif
186
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000187#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000188#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000189#define _LIBCPP_HAS_NO_DECLTYPE
190#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
191#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
192#define _LIBCPP_HAS_NO_UNICODE_CHARS
193#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant324bb032010-08-22 00:02:43 +0000194#endif // !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000195
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000196#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 6)
197#define _LIBCPP_HAS_NO_NULLPTR
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000198#endif
199
Howard Hinnant324bb032010-08-22 00:02:43 +0000200#endif // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000201
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000202#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE {
203#define _LIBCPP_END_NAMESPACE_STD } }
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000204#define _STD std::_LIBCPP_NAMESPACE
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000205
206namespace std {
207namespace _LIBCPP_NAMESPACE {
208}
209using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
210}
211
Howard Hinnant171a9a72010-09-03 23:03:25 +0000212#endif // defined(__GNUC__)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000213
214#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000215typedef unsigned short char16_t;
216typedef unsigned int char32_t;
Howard Hinnant324bb032010-08-22 00:02:43 +0000217#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000218
219#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT
220
221template <bool> struct __static_assert_test;
222template <> struct __static_assert_test<true> {};
223template <unsigned> struct __static_assert_check {};
224#define static_assert(__b, __m) \
225 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
226 _LIBCPP_CONCAT(__t, __LINE__)
227
Howard Hinnant324bb032010-08-22 00:02:43 +0000228#endif // _LIBCPP_HAS_NO_STATIC_ASSERT
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000229
230#ifdef _LIBCPP_HAS_NO_DECLTYPE
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000231#define decltype(x) __typeof__(x)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000232#endif
233
234#endif // _LIBCPP_CONFIG