Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===--------------------------- __config ---------------------------------===// |
| 3 | // |
Howard Hinnant | f5256e1 | 2010-05-11 21:36:01 +0000 | [diff] [blame] | 4 | // The LLVM Compiler Infrastructure |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 5 | // |
| 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 Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 29 | #endif // __LITTLE_ENDIAN__ |
| 30 | #endif // __LITTLE_ENDIAN__ |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 31 | |
| 32 | #ifdef __BIG_ENDIAN__ |
| 33 | #if __BIG_ENDIAN__ |
| 34 | #define _LIBCPP_LITTLE_ENDIAN 0 |
| 35 | #define _LIBCPP_BIG_ENDIAN 1 |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 36 | #endif // __BIG_ENDIAN__ |
| 37 | #endif // __BIG_ENDIAN__ |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 38 | |
David Chisnall | 3e13d4f | 2010-08-11 16:27:20 +0000 | [diff] [blame] | 39 | #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 Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 44 | # else // _BYTE_ORDER == _LITTLE_ENDIAN |
David Chisnall | 3e13d4f | 2010-08-11 16:27:20 +0000 | [diff] [blame] | 45 | # define _LIBCPP_LITTLE_ENDIAN 0 |
| 46 | # define _LIBCPP_BIG_ENDIAN 1 |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 47 | # endif // _BYTE_ORDER == _LITTLE_ENDIAN |
| 48 | #endif // __FreeBSD__ |
David Chisnall | 3e13d4f | 2010-08-11 16:27:20 +0000 | [diff] [blame] | 49 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 50 | #if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) |
Howard Hinnant | adff489 | 2010-05-24 17:49:41 +0000 | [diff] [blame] | 51 | # 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 Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 58 | # else // __BYTE_ORDER == __BIG_ENDIAN |
Howard Hinnant | adff489 | 2010-05-24 17:49:41 +0000 | [diff] [blame] | 59 | # error unable to determine endian |
| 60 | # endif |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 61 | #endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 62 | |
| 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 Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 70 | #else // _LIBCPP_VISIBILITY_TAG |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 71 | #define _LIBCPP_HIDDEN |
| 72 | #define _LIBCPP_VISIBLE |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 73 | #endif // _LIBCPP_VISIBILITY_TAG |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 74 | |
| 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 Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 87 | #if defined(__clang__) |
| 88 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 89 | #define _LIBCPP_HAS_NO_ADVANCED_SFINAE |
| 90 | #define _LIBCPP_HAS_NO_TEMPLATE_ALIASES |
Howard Hinnant | 87eea6d | 2010-09-07 20:31:18 +0000 | [diff] [blame] | 91 | |
| 92 | #ifndef __GXX_EXPERIMENTAL_CXX0X__ |
Howard Hinnant | d05c6e6 | 2010-09-27 18:09:23 +0000 | [diff] [blame] | 93 | #ifdef __linux__ |
| 94 | #define _LIBCPP_HAS_NO_UNICODE_CHARS |
| 95 | #else |
Howard Hinnant | 3975ebd | 2010-09-16 23:27:26 +0000 | [diff] [blame] | 96 | typedef __char16_t char16_t; |
| 97 | typedef __char32_t char32_t; |
Howard Hinnant | 87eea6d | 2010-09-07 20:31:18 +0000 | [diff] [blame] | 98 | #endif |
Howard Hinnant | d05c6e6 | 2010-09-27 18:09:23 +0000 | [diff] [blame] | 99 | #endif |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 100 | |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 101 | #if !(__has_feature(cxx_exceptions)) |
| 102 | #define _LIBCPP_NO_EXCEPTIONS |
| 103 | #endif |
| 104 | |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 105 | #if !(__has_feature(cxx_rtti)) |
| 106 | #define _LIBCPP_NO_RTTI |
| 107 | #endif |
| 108 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 109 | #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 Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 117 | #define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS |
Howard Hinnant | ed760f4 | 2010-09-29 18:13:54 +0000 | [diff] [blame] | 118 | |
| 119 | #if !(__has_feature(cxx_deleted_functions)) |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 120 | #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 Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 146 | |
Howard Hinnant | 726a76f | 2010-11-16 21:10:23 +0000 | [diff] [blame^] | 147 | #if !(__has_feature(cxx_trailing_return)) |
| 148 | #define _LIBCPP_HAS_NO_TRAILING_RETURN |
| 149 | #endif |
| 150 | |
Howard Hinnant | 171a9a7 | 2010-09-03 23:03:25 +0000 | [diff] [blame] | 151 | #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 | |
| 156 | namespace std { |
| 157 | inline namespace _LIBCPP_NAMESPACE { |
| 158 | } |
| 159 | using namespace _LIBCPP_NAMESPACE; |
| 160 | } |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 161 | |
Howard Hinnant | 171a9a7 | 2010-09-03 23:03:25 +0000 | [diff] [blame] | 162 | #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 Hinnant | 1387038 | 2010-09-06 19:10:31 +0000 | [diff] [blame] | 168 | #if !(__has_feature(cxx_constexpr)) |
| 169 | #define _LIBCPP_HAS_NO_CONSTEXPR |
| 170 | #endif |
| 171 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 172 | // end defined(__clang__) |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 173 | |
| 174 | #elif defined(__GNUC__) |
| 175 | |
| 176 | #if !__EXCEPTIONS |
| 177 | #define _LIBCPP_NO_EXCEPTIONS |
| 178 | #endif |
| 179 | |
| 180 | #define _LIBCPP_HAS_NO_TEMPLATE_ALIASES |
Howard Hinnant | 1387038 | 2010-09-06 19:10:31 +0000 | [diff] [blame] | 181 | #define _LIBCPP_HAS_NO_CONSTEXPR |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 182 | |
| 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 Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 193 | #define _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 194 | |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 195 | #else // __GXX_EXPERIMENTAL_CXX0X__ |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 196 | |
Howard Hinnant | 726a76f | 2010-11-16 21:10:23 +0000 | [diff] [blame^] | 197 | #define _LIBCPP_HAS_NO_TRAILING_RETURN |
| 198 | |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 199 | #if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3) |
| 200 | #define _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 201 | #endif |
| 202 | |
| 203 | #if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3) |
| 204 | #define _LIBCPP_HAS_NO_STATIC_ASSERT |
| 205 | #endif |
| 206 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 207 | #if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 4) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 208 | #define _LIBCPP_HAS_NO_ADVANCED_SFINAE |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 209 | #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 Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 214 | #endif // !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 4) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 215 | |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 216 | #if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 6) |
| 217 | #define _LIBCPP_HAS_NO_NULLPTR |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 218 | #endif |
| 219 | |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 220 | #endif // __GXX_EXPERIMENTAL_CXX0X__ |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 221 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 222 | #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE { |
| 223 | #define _LIBCPP_END_NAMESPACE_STD } } |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 224 | #define _STD std::_LIBCPP_NAMESPACE |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 225 | |
| 226 | namespace std { |
| 227 | namespace _LIBCPP_NAMESPACE { |
| 228 | } |
| 229 | using namespace _LIBCPP_NAMESPACE __attribute__((__strong__)); |
| 230 | } |
| 231 | |
Howard Hinnant | 171a9a7 | 2010-09-03 23:03:25 +0000 | [diff] [blame] | 232 | #endif // defined(__GNUC__) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 233 | |
| 234 | #ifdef _LIBCPP_HAS_NO_UNICODE_CHARS |
Howard Hinnant | 60a0a8e | 2010-08-10 20:48:29 +0000 | [diff] [blame] | 235 | typedef unsigned short char16_t; |
| 236 | typedef unsigned int char32_t; |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 237 | #endif // _LIBCPP_HAS_NO_UNICODE_CHARS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 238 | |
| 239 | #ifdef _LIBCPP_HAS_NO_STATIC_ASSERT |
| 240 | |
| 241 | template <bool> struct __static_assert_test; |
| 242 | template <> struct __static_assert_test<true> {}; |
| 243 | template <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 Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 248 | #endif // _LIBCPP_HAS_NO_STATIC_ASSERT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 249 | |
| 250 | #ifdef _LIBCPP_HAS_NO_DECLTYPE |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 251 | #define decltype(x) __typeof__(x) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 252 | #endif |
| 253 | |
Howard Hinnant | 1387038 | 2010-09-06 19:10:31 +0000 | [diff] [blame] | 254 | #ifdef _LIBCPP_HAS_NO_CONSTEXPR |
| 255 | #define constexpr const |
| 256 | #endif |
| 257 | |
Howard Hinnant | b4ac745 | 2010-10-05 13:38:23 +0000 | [diff] [blame] | 258 | #ifndef __has_feature |
Howard Hinnant | 26994e3 | 2010-10-04 19:01:30 +0000 | [diff] [blame] | 259 | #define __has_feature(__x) 0 |
| 260 | #endif |
| 261 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 262 | #endif // _LIBCPP_CONFIG |