ceph/src/boost/boost/thread/detail/config.hpp

   1 // Copyright (C) 2001-2003
   2 // William E. Kempf
   3 // Copyright (C) 2011-2013 Vicente J. Botet Escriba
   4 //
   5 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   6 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7
   8 #ifndef BOOST_THREAD_CONFIG_WEK01032003_HPP
   9 #define BOOST_THREAD_CONFIG_WEK01032003_HPP
  10
  11 #include <boost/config.hpp>
  12 #include <boost/detail/workaround.hpp>
  13 #include <boost/thread/detail/platform.hpp>
  14
  15 //#define BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
  16 //#define BOOST_THREAD_DONT_PROVIDE_INTERRUPTIONS
  17 // ATTRIBUTE_MAY_ALIAS
  18
  19 //#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
  20 #if !defined(BOOST_NO_MAY_ALIAS)
  21
  22   // GCC since 3.3 and some other compilers have may_alias attribute that helps
  23   // to alleviate optimizer issues with regard to violation of the strict aliasing rules.
  24
  25   #define BOOST_THREAD_DETAIL_USE_ATTRIBUTE_MAY_ALIAS
  26 #endif
  27 #if defined(BOOST_MAY_ALIAS)
  28 #define BOOST_THREAD_ATTRIBUTE_MAY_ALIAS BOOST_MAY_ALIAS
  29 #else
  30 #define BOOST_THREAD_ATTRIBUTE_MAY_ALIAS
  31 #endif
  32
  33 #if defined BOOST_THREAD_THROW_IF_PRECONDITION_NOT_SATISFIED
  34 #define BOOST_THREAD_ASSERT_PRECONDITION(EXPR, EX) \
  35         if (EXPR) {} else boost::throw_exception(EX)
  36 #define BOOST_THREAD_VERIFY_PRECONDITION(EXPR, EX) \
  37         if (EXPR) {} else boost::throw_exception(EX)
  38 #define BOOST_THREAD_THROW_ELSE_RETURN(EX, RET) \
  39         boost::throw_exception(EX)
  40 #else
  41 #define BOOST_THREAD_ASSERT_PRECONDITION(EXPR, EX)
  42 #define BOOST_THREAD_VERIFY_PRECONDITION(EXPR, EX) \
  43         (void)(EXPR)
  44 #define BOOST_THREAD_THROW_ELSE_RETURN(EX, RET) \
  45         return (RET)
  46 #endif
  47
  48 // This compiler doesn't support Boost.Chrono
  49 #if defined __IBMCPP__ && (__IBMCPP__ < 1100) \
  50   && ! defined BOOST_THREAD_DONT_USE_CHRONO
  51 #define BOOST_THREAD_DONT_USE_CHRONO
  52 #if ! defined BOOST_THREAD_USES_DATETIME
  53 #define BOOST_THREAD_USES_DATETIME
  54 #endif
  55 #endif
  56
  57 // This compiler doesn't support Boost.Move
  58 #if BOOST_WORKAROUND(__SUNPRO_CC, < 0x5100) \
  59   && ! defined BOOST_THREAD_DONT_USE_MOVE
  60 #define BOOST_THREAD_DONT_USE_MOVE
  61 #endif
  62
  63 // This compiler doesn't support Boost.Container Allocators files
  64 #if defined __SUNPRO_CC \
  65   && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_CTOR_ALLOCATORS
  66 #define BOOST_THREAD_DONT_PROVIDE_FUTURE_CTOR_ALLOCATORS
  67 #endif
  68
  69 #if defined _WIN32_WCE && _WIN32_WCE==0x501 \
  70   && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_CTOR_ALLOCATORS
  71 #define BOOST_THREAD_DONT_PROVIDE_FUTURE_CTOR_ALLOCATORS
  72 #endif
  73
  74
  75 #if defined BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX || defined BOOST_NO_CXX11_HDR_INITIALIZER_LIST
  76 #define BOOST_THREAD_NO_CXX11_HDR_INITIALIZER_LIST
  77 #define BOOST_THREAD_NO_MAKE_LOCK_GUARD
  78 #define BOOST_THREAD_NO_MAKE_STRICT_LOCK
  79 #define BOOST_THREAD_NO_MAKE_NESTED_STRICT_LOCK
  80 #endif
  81
  82 #if defined(BOOST_NO_CXX11_HDR_TUPLE) || defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
  83 #define BOOST_THREAD_NO_MAKE_UNIQUE_LOCKS
  84 #define BOOST_THREAD_NO_SYNCHRONIZE
  85 #elif defined _MSC_VER && _MSC_VER <= 1600
  86 // C++ features supported by VC++ 10 (aka 2010)
  87 #define BOOST_THREAD_NO_MAKE_UNIQUE_LOCKS
  88 #define BOOST_THREAD_NO_SYNCHRONIZE
  89 #endif
  90
  91 /// BASIC_THREAD_ID
  92 #if ! defined BOOST_THREAD_DONT_PROVIDE_BASIC_THREAD_ID \
  93  && ! defined BOOST_THREAD_PROVIDES_BASIC_THREAD_ID
  94 #define BOOST_THREAD_PROVIDES_BASIC_THREAD_ID
  95 #endif
  96
  97 /// RVALUE_REFERENCES_DONT_MATCH_FUNTION_PTR
  98 //#if defined BOOST_NO_CXX11_RVALUE_REFERENCES || defined BOOST_MSVC
  99 #define BOOST_THREAD_RVALUE_REFERENCES_DONT_MATCH_FUNTION_PTR
 100 //#endif
 101
 102 // Default version
 103 #if !defined BOOST_THREAD_VERSION
 104 #define BOOST_THREAD_VERSION 2
 105 #else
 106 #if BOOST_THREAD_VERSION!=2  && BOOST_THREAD_VERSION!=3 && BOOST_THREAD_VERSION!=4 && BOOST_THREAD_VERSION!=5
 107 #error "BOOST_THREAD_VERSION must be 2, 3, 4 or 5"
 108 #endif
 109 #endif
 110
 111 // CHRONO
 112 // Uses Boost.Chrono by default if not stated the opposite defining BOOST_THREAD_DONT_USE_CHRONO
 113 #if ! defined BOOST_THREAD_DONT_USE_CHRONO \
 114   && ! defined BOOST_THREAD_USES_CHRONO
 115 #define BOOST_THREAD_USES_CHRONO
 116 #endif
 117
 118 #if ! defined BOOST_THREAD_DONT_USE_ATOMIC \
 119   && ! defined BOOST_THREAD_USES_ATOMIC
 120 #define BOOST_THREAD_USES_ATOMIC
 121 //#define BOOST_THREAD_DONT_USE_ATOMIC
 122 #endif
 123
 124 #if defined BOOST_THREAD_USES_ATOMIC
 125 // Andrey Semashev
 126 #define BOOST_THREAD_ONCE_ATOMIC
 127 #else
 128 //#elif ! defined BOOST_NO_CXX11_THREAD_LOCAL && ! defined BOOST_NO_THREAD_LOCAL && ! defined BOOST_THREAD_NO_UINT32_PSEUDO_ATOMIC
 129 // http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2444.html#Appendix
 130 #define BOOST_THREAD_ONCE_FAST_EPOCH
 131 #endif
 132 #if BOOST_THREAD_VERSION==2
 133
 134 // PROVIDE_PROMISE_LAZY
 135 #if ! defined BOOST_THREAD_DONT_PROVIDE_PROMISE_LAZY \
 136   && ! defined BOOST_THREAD_PROVIDES_PROMISE_LAZY
 137 #define BOOST_THREAD_PROVIDES_PROMISE_LAZY
 138 #endif
 139
 140 // PROVIDE_THREAD_EQ
 141 #if ! defined BOOST_THREAD_DONT_PROVIDE_THREAD_EQ \
 142   && ! defined BOOST_THREAD_PROVIDES_THREAD_EQ
 143 #define BOOST_THREAD_PROVIDES_THREAD_EQ
 144 #endif
 145
 146 #endif
 147
 148 #if BOOST_THREAD_VERSION>=3
 149
 150 // ONCE_CXX11
 151 // fixme BOOST_THREAD_PROVIDES_ONCE_CXX11 doesn't works when thread.cpp is compiled BOOST_THREAD_VERSION 3
 152 #if ! defined BOOST_THREAD_DONT_PROVIDE_ONCE_CXX11 \
 153  && ! defined BOOST_THREAD_PROVIDES_ONCE_CXX11
 154 #define BOOST_THREAD_DONT_PROVIDE_ONCE_CXX11
 155 #endif
 156
 157 // THREAD_DESTRUCTOR_CALLS_TERMINATE_IF_JOINABLE
 158 #if ! defined BOOST_THREAD_DONT_PROVIDE_THREAD_DESTRUCTOR_CALLS_TERMINATE_IF_JOINABLE \
 159  && ! defined BOOST_THREAD_PROVIDES_THREAD_DESTRUCTOR_CALLS_TERMINATE_IF_JOINABLE
 160 #define BOOST_THREAD_PROVIDES_THREAD_DESTRUCTOR_CALLS_TERMINATE_IF_JOINABLE
 161 #endif
 162
 163 // THREAD_MOVE_ASSIGN_CALLS_TERMINATE_IF_JOINABLE
 164 #if ! defined BOOST_THREAD_DONT_PROVIDE_THREAD_MOVE_ASSIGN_CALLS_TERMINATE_IF_JOINABLE \
 165  && ! defined BOOST_THREAD_PROVIDES_THREAD_MOVE_ASSIGN_CALLS_TERMINATE_IF_JOINABLE
 166 #define BOOST_THREAD_PROVIDES_THREAD_MOVE_ASSIGN_CALLS_TERMINATE_IF_JOINABLE
 167 #endif
 168
 169 // PROVIDE_FUTURE
 170 #if ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE \
 171  && ! defined BOOST_THREAD_PROVIDES_FUTURE
 172 #define BOOST_THREAD_PROVIDES_FUTURE
 173 #endif
 174
 175 // FUTURE_CTOR_ALLOCATORS
 176 #if ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_CTOR_ALLOCATORS \
 177  && ! defined BOOST_THREAD_PROVIDES_FUTURE_CTOR_ALLOCATORS
 178 #define BOOST_THREAD_PROVIDES_FUTURE_CTOR_ALLOCATORS
 179 #endif
 180
 181 // SHARED_MUTEX_UPWARDS_CONVERSIONS
 182 #if ! defined BOOST_THREAD_DONT_PROVIDE_SHARED_MUTEX_UPWARDS_CONVERSIONS \
 183  && ! defined BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS
 184 #define BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS
 185 #endif
 186
 187 // PROVIDE_EXPLICIT_LOCK_CONVERSION
 188 #if ! defined BOOST_THREAD_DONT_PROVIDE_EXPLICIT_LOCK_CONVERSION \
 189  && ! defined BOOST_THREAD_PROVIDES_EXPLICIT_LOCK_CONVERSION
 190 #define BOOST_THREAD_PROVIDES_EXPLICIT_LOCK_CONVERSION
 191 #endif
 192
 193 // GENERIC_SHARED_MUTEX_ON_WIN
 194 #if ! defined BOOST_THREAD_DONT_PROVIDE_GENERIC_SHARED_MUTEX_ON_WIN \
 195  && ! defined BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
 196 #define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
 197 #endif
 198
 199 // USE_MOVE
 200 #if ! defined BOOST_THREAD_DONT_USE_MOVE \
 201  && ! defined BOOST_THREAD_USES_MOVE
 202 #define BOOST_THREAD_USES_MOVE
 203 #endif
 204
 205 #endif
 206
 207 // deprecated since version 4
 208 #if BOOST_THREAD_VERSION < 4
 209
 210 // NESTED_LOCKS
 211 #if ! defined BOOST_THREAD_PROVIDES_NESTED_LOCKS \
 212  && ! defined BOOST_THREAD_DONT_PROVIDE_NESTED_LOCKS
 213 #define BOOST_THREAD_PROVIDES_NESTED_LOCKS
 214 #endif
 215
 216 // CONDITION
 217 #if ! defined BOOST_THREAD_PROVIDES_CONDITION \
 218  && ! defined BOOST_THREAD_DONT_PROVIDE_CONDITION
 219 #define BOOST_THREAD_PROVIDES_CONDITION
 220 #endif
 221
 222 // USE_DATETIME
 223 #if ! defined BOOST_THREAD_DONT_USE_DATETIME \
 224  && ! defined BOOST_THREAD_USES_DATETIME
 225 #define BOOST_THREAD_USES_DATETIME
 226 #endif
 227 #endif
 228
 229 #if BOOST_THREAD_VERSION>=4
 230
 231 // SIGNATURE_PACKAGED_TASK
 232 #if ! defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK \
 233  && ! defined BOOST_THREAD_DONT_PROVIDE_SIGNATURE_PACKAGED_TASK
 234 #define BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK
 235 #endif
 236
 237 // VARIADIC_THREAD
 238 #if ! defined BOOST_THREAD_PROVIDES_VARIADIC_THREAD \
 239  && ! defined BOOST_THREAD_DONT_PROVIDE_VARIADIC_THREAD
 240
 241 #if ! defined(BOOST_NO_SFINAE_EXPR) && \
 242     ! defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
 243     ! defined(BOOST_NO_CXX11_DECLTYPE) && \
 244     ! defined(BOOST_NO_CXX11_DECLTYPE_N3276) && \
 245     ! defined(BOOST_NO_CXX11_TRAILING_RESULT_TYPES) && \
 246     ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \
 247     ! defined(BOOST_NO_CXX11_HDR_TUPLE)
 248
 249 #define BOOST_THREAD_PROVIDES_VARIADIC_THREAD
 250 #endif
 251 #endif
 252
 253 #if ! defined BOOST_THREAD_PROVIDES_FUTURE_WHEN_ALL_WHEN_ANY \
 254  && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_WHEN_ALL_WHEN_ANY
 255
 256 #if ! defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
 257     ! defined(BOOST_NO_CXX11_HDR_TUPLE)
 258
 259 #define BOOST_THREAD_PROVIDES_FUTURE_WHEN_ALL_WHEN_ANY
 260 #endif
 261 #endif
 262
 263 //    ! defined(BOOST_NO_SFINAE_EXPR) &&
 264 //    ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES) &&
 265 //    ! defined(BOOST_NO_CXX11_AUTO) &&
 266 //    ! defined(BOOST_NO_CXX11_DECLTYPE) &&
 267 //    ! defined(BOOST_NO_CXX11_DECLTYPE_N3276) &&
 268
 269
 270 // MAKE_READY_AT_THREAD_EXIT
 271 #if ! defined BOOST_THREAD_PROVIDES_MAKE_READY_AT_THREAD_EXIT \
 272  && ! defined BOOST_THREAD_DONT_PROVIDE_MAKE_READY_AT_THREAD_EXIT
 273
 274 //#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
 275 #define BOOST_THREAD_PROVIDES_MAKE_READY_AT_THREAD_EXIT
 276 //#endif
 277 #endif
 278
 279 // FUTURE_CONTINUATION
 280 #if ! defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION \
 281  && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_CONTINUATION
 282 #define BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION
 283 #endif
 284
 285 #if ! defined BOOST_THREAD_PROVIDES_FUTURE_UNWRAP \
 286  && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_UNWRAP
 287 #define BOOST_THREAD_PROVIDES_FUTURE_UNWRAP
 288 #endif
 289
 290 // FUTURE_INVALID_AFTER_GET
 291 #if ! defined BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET \
 292  && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_INVALID_AFTER_GET
 293 #define BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET
 294 #endif
 295
 296 // NESTED_LOCKS
 297 #if ! defined BOOST_THREAD_PROVIDES_NESTED_LOCKS \
 298  && ! defined BOOST_THREAD_DONT_PROVIDE_NESTED_LOCKS
 299 #define BOOST_THREAD_DONT_PROVIDE_NESTED_LOCKS
 300 #endif
 301
 302 // CONDITION
 303 #if ! defined BOOST_THREAD_PROVIDES_CONDITION \
 304  && ! defined BOOST_THREAD_DONT_PROVIDE_CONDITION
 305 #define BOOST_THREAD_DONT_PROVIDE_CONDITION
 306 #endif
 307
 308 #endif // BOOST_THREAD_VERSION>=4
 309
 310
 311 #if BOOST_THREAD_VERSION>=5
 312 //#define BOOST_THREAD_FUTURE_BLOCKING
 313 #else
 314 //#define BOOST_THREAD_FUTURE_BLOCKING
 315 #define BOOST_THREAD_ASYNC_FUTURE_WAITS
 316 #endif
 317 // INTERRUPTIONS
 318 #if ! defined BOOST_THREAD_PROVIDES_INTERRUPTIONS \
 319  && ! defined BOOST_THREAD_DONT_PROVIDE_INTERRUPTIONS
 320 #define BOOST_THREAD_PROVIDES_INTERRUPTIONS
 321 #endif
 322
 323 // CORRELATIONS
 324
 325 // EXPLICIT_LOCK_CONVERSION.
 326 #if defined BOOST_THREAD_PROVIDES_EXPLICIT_LOCK_CONVERSION
 327 #define BOOST_THREAD_EXPLICIT_LOCK_CONVERSION explicit
 328 #else
 329 #define BOOST_THREAD_EXPLICIT_LOCK_CONVERSION
 330 #endif
 331
 332 // BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN is defined if BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS
 333 #if defined BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS \
 334 && ! defined BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
 335 #define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
 336 #endif
 337
 338 // For C++11 call_once interface the compiler MUST support constexpr.
 339 // Otherwise once_flag would be initialized during dynamic initialization stage, which is not thread-safe.
 340 #if defined(BOOST_THREAD_PROVIDES_ONCE_CXX11)
 341 #if defined(BOOST_NO_CXX11_CONSTEXPR)
 342 #undef BOOST_THREAD_PROVIDES_ONCE_CXX11
 343 #endif
 344 #endif
 345
 346 #if defined(BOOST_THREAD_PLATFORM_WIN32) && defined BOOST_THREAD_DONT_USE_DATETIME
 347 #undef BOOST_THREAD_DONT_USE_DATETIME
 348 #define BOOST_THREAD_USES_DATETIME
 349 #endif
 350
 351 #if defined(BOOST_THREAD_PLATFORM_WIN32) && defined BOOST_THREAD_DONT_USE_CHRONO
 352 #undef BOOST_THREAD_DONT_USE_CHRONO
 353 #define BOOST_THREAD_USES_CHRONO
 354 #endif
 355
 356 // BOOST_THREAD_PROVIDES_DEPRECATED_FEATURES_SINCE_V3_0_0 defined by default up to Boost 1.55
 357 // BOOST_THREAD_DONT_PROVIDE_DEPRECATED_FEATURES_SINCE_V3_0_0 defined by default up to Boost 1.55
 358 #if defined BOOST_THREAD_PROVIDES_DEPRECATED_FEATURES_SINCE_V3_0_0
 359
 360 #if  ! defined BOOST_THREAD_PROVIDES_THREAD_EQ
 361 #define BOOST_THREAD_PROVIDES_THREAD_EQ
 362 #endif
 363
 364 #endif
 365
 366
 367 //#if ! defined BOOST_NO_CXX11_RVALUE_REFERENCES || defined BOOST_THREAD_USES_MOVE
 368 #if ! defined BOOST_NO_CXX11_RVALUE_REFERENCES
 369 #define BOOST_THREAD_FUTURE_USES_OPTIONAL
 370 #endif
 371
 372 #if BOOST_WORKAROUND(__BORLANDC__, < 0x600)
 373 #  pragma warn -8008 // Condition always true/false
 374 #  pragma warn -8080 // Identifier declared but never used
 375 #  pragma warn -8057 // Parameter never used
 376 #  pragma warn -8066 // Unreachable code
 377 #endif
 378
 379 #include <boost/thread/detail/platform.hpp>
 380
 381 #if defined(BOOST_THREAD_PLATFORM_WIN32)
 382 #else
 383   #   if defined(BOOST_HAS_PTHREAD_DELAY_NP) || defined(BOOST_HAS_NANOSLEEP)
 384   #     define BOOST_THREAD_SLEEP_FOR_IS_STEADY
 385   #   endif
 386 #endif
 387
 388 // provided for backwards compatibility, since this
 389 // macro was used for several releases by mistake.
 390 #if defined(BOOST_THREAD_DYN_DLL) && ! defined(BOOST_THREAD_DYN_LINK)
 391 # define BOOST_THREAD_DYN_LINK
 392 #endif
 393
 394 // compatibility with the rest of Boost's auto-linking code:
 395 #if defined(BOOST_THREAD_DYN_LINK) || defined(BOOST_ALL_DYN_LINK)
 396 # undef  BOOST_THREAD_USE_LIB
 397 # if !defined(BOOST_THREAD_USE_DLL)
 398 #  define BOOST_THREAD_USE_DLL
 399 # endif
 400 #endif
 401
 402 #if defined(BOOST_THREAD_BUILD_DLL)   //Build dll
 403 #elif defined(BOOST_THREAD_BUILD_LIB) //Build lib
 404 #elif defined(BOOST_THREAD_USE_DLL)   //Use dll
 405 #elif defined(BOOST_THREAD_USE_LIB)   //Use lib
 406 #else //Use default
 407 #   if defined(BOOST_THREAD_PLATFORM_WIN32)
 408 #       if defined(BOOST_MSVC) || defined(BOOST_INTEL_WIN) \
 409       || defined(__MINGW32__) || defined(MINGW32) || defined(BOOST_MINGW32)
 410       //For compilers supporting auto-tss cleanup
 411             //with Boost.Threads lib, use Boost.Threads lib
 412 #           define BOOST_THREAD_USE_LIB
 413 #       else
 414             //For compilers not yet supporting auto-tss cleanup
 415             //with Boost.Threads lib, use Boost.Threads dll
 416 #           define BOOST_THREAD_USE_DLL
 417 #       endif
 418 #   else
 419 #       define BOOST_THREAD_USE_LIB
 420 #   endif
 421 #endif
 422
 423 #if defined(BOOST_HAS_DECLSPEC)
 424 #   if defined(BOOST_THREAD_BUILD_DLL) //Build dll
 425 #       define BOOST_THREAD_DECL BOOST_SYMBOL_EXPORT
 426 //#       define BOOST_THREAD_DECL __declspec(dllexport)
 427
 428 #   elif defined(BOOST_THREAD_USE_DLL) //Use dll
 429 #       define BOOST_THREAD_DECL BOOST_SYMBOL_IMPORT
 430 //#       define BOOST_THREAD_DECL __declspec(dllimport)
 431 #   else
 432 #       define BOOST_THREAD_DECL
 433 #   endif
 434 #elif (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
 435 #  define BOOST_THREAD_DECL BOOST_SYMBOL_VISIBLE
 436
 437 #else
 438 #   define BOOST_THREAD_DECL
 439 #endif // BOOST_HAS_DECLSPEC
 440
 441 //
 442 // Automatically link to the correct build variant where possible.
 443 //
 444 #if !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_THREAD_NO_LIB) && !defined(BOOST_THREAD_BUILD_DLL) && !defined(BOOST_THREAD_BUILD_LIB)
 445 //
 446 // Tell the autolink to link dynamically, this will get undef'ed by auto_link.hpp
 447 // once it's done with it:
 448 //
 449 #if defined(BOOST_THREAD_USE_DLL) &  ! defined(BOOST_DYN_LINK)
 450 #   define BOOST_DYN_LINK
 451 #endif
 452 //
 453 // Set the name of our library, this will get undef'ed by auto_link.hpp
 454 // once it's done with it:
 455 //
 456 #if defined(BOOST_THREAD_LIB_NAME)
 457 #    define BOOST_LIB_NAME BOOST_THREAD_LIB_NAME
 458 #else
 459 #    define BOOST_LIB_NAME boost_thread
 460 #endif
 461 //
 462 // If we're importing code from a dll, then tell auto_link.hpp about it:
 463 //
 464 // And include the header that does the work:
 465 //
 466 #include <boost/config/auto_link.hpp>
 467 #endif  // auto-linking disabled
 468
 469 #endif // BOOST_THREAD_CONFIG_WEK1032003_HPP
 470
 471 // Change Log:
 472 //   22 Jan 05 Roland Schwarz (speedsnail)
 473 //      Usage of BOOST_HAS_DECLSPEC macro.
 474 //      Default again is static lib usage.
 475 //      BOOST_DYN_LINK only defined when autolink included.