include/g++-3/stl_config.h

   1 /*
   2  *
   3  * Copyright (c) 1994
   4  * Hewlett-Packard Company
   5  *
   6  * Permission to use, copy, modify, distribute and sell this software
   7  * and its documentation for any purpose is hereby granted without fee,
   8  * provided that the above copyright notice appear in all copies and
   9  * that both that copyright notice and this permission notice appear
  10  * in supporting documentation.  Hewlett-Packard Company makes no
  11  * representations about the suitability of this software for any
  12  * purpose.  It is provided "as is" without express or implied warranty.
  13  *
  14  * Copyright (c) 1997
  15  * Silicon Graphics
  16  *
  17  * Permission to use, copy, modify, distribute and sell this software
  18  * and its documentation for any purpose is hereby granted without fee,
  19  * provided that the above copyright notice appear in all copies and
  20  * that both that copyright notice and this permission notice appear
  21  * in supporting documentation.  Silicon Graphics makes no
  22  * representations about the suitability of this software for any
  23  * purpose.  It is provided "as is" without express or implied warranty.
  24  *
  25  */
  26
  27 #ifndef __STL_CONFIG_H
  28 # define __STL_CONFIG_H
  29
  30 // Flags:
  31 // * __STL_NO_BOOL: defined if the compiler doesn't have bool as a builtin
  32 //   type.
  33 // * __STL_HAS_WCHAR_T: defined if the compier has wchar_t as a builtin type.
  34 // * __STL_NO_DRAND48: defined if the compiler doesn't have the drand48
  35 //   function.
  36 // * __STL_STATIC_TEMPLATE_MEMBER_BUG: defined if the compiler can't handle
  37 //   static members of template classes.
  38 // * __STL_CLASS_PARTIAL_SPECIALIZATION: defined if the compiler supports
  39 //   partial specialization of template classes.
  40 // * __STL_PARTIAL_SPECIALIZATION_SYNTAX: defined if the compiler
  41 //   supports partial specialization syntax for full specialization of
  42 //   class templates.  (Even if it doesn't actually support partial
  43 //   specialization itself.)
  44 // * __STL_FUNCTION_TMPL_PARTIAL_ORDER: defined if the compiler supports
  45 //   partial ordering of function templates.  (a.k.a partial specialization
  46 //   of function templates.)
  47 // * __STL_MEMBER_TEMPLATES: defined if the compiler supports template
  48 //   member functions of classes.
  49 // * __STL_MEMBER_TEMPLATE_CLASSES: defined if the compiler supports
  50 //   nested classes that are member templates of other classes.
  51 // * __STL_EXPLICIT_FUNCTION_TMPL_ARGS: defined if the compiler
  52 //   supports calling a function template by providing its template
  53 //   arguments explicitly.
  54 // * __STL_LIMITED_DEFAULT_TEMPLATES: defined if the compiler is unable
  55 //   to handle default template parameters that depend on previous template
  56 //   parameters.
  57 // * __STL_NON_TYPE_TMPL_PARAM_BUG: defined if the compiler has trouble with
  58 //   function template argument deduction for non-type template parameters.
  59 // * __SGI_STL_NO_ARROW_OPERATOR: defined if the compiler is unable
  60 //   to support the -> operator for iterators.
  61 // * __STL_USE_EXCEPTIONS: defined if the compiler (in the current compilation
  62 //   mode) supports exceptions.
  63 // * __STL_USE_NAMESPACES: defined if the compiler has the necessary
  64 //   support for namespaces.
  65 // * __STL_NO_EXCEPTION_HEADER: defined if the compiler does not have a
  66 //   standard-conforming header <exception>.
  67 // * __STL_SGI_THREADS: defined if this is being compiled for an SGI IRIX
  68 //   system in multithreaded mode, using native SGI threads instead of
  69 //   pthreads.
  70 // * __STL_WIN32THREADS: defined if this is being compiled on a WIN32
  71 //   compiler in multithreaded mode.
  72 // * __STL_LONG_LONG if the compiler has long long and unsigned long long
  73 //   types.  (They're not in the C++ standard, but they are expected to be
  74 //   included in the forthcoming C9X standard.)
  75
  76
  77 // User-settable macros that control compilation:
  78 // * __STL_USE_SGI_ALLOCATORS: if defined, then the STL will use older
  79 //   SGI-style allocators, instead of standard-conforming allocators,
  80 //   even if the compiler supports all of the language features needed
  81 //   for standard-conforming allocators.
  82 // * __STL_NO_NAMESPACES: if defined, don't put the library in namespace
  83 //   std, even if the compiler supports namespaces.
  84 // * __STL_ASSERTIONS: if defined, then enable runtime checking through the
  85 //   __stl_assert macro.
  86 // * _PTHREADS: if defined, use Posix threads for multithreading support.
  87 // * _NOTHREADS: if defined, don't use any multithreading support.
  88
  89
  90 // Other macros defined by this file:
  91
  92 // * bool, true, and false, if __STL_NO_BOOL is defined.
  93 // * typename, as a null macro if it's not already a keyword.
  94 // * explicit, as a null macro if it's not already a keyword.
  95 // * namespace-related macros (__STD, __STL_BEGIN_NAMESPACE, etc.)
  96 // * exception-related macros (__STL_TRY, __STL_UNWIND, etc.)
  97 // * __stl_assert, either as a test or as a null macro, depending on
  98 //   whether or not __STL_ASSERTIONS is defined.
  99
 100 #ifdef _PTHREADS
 101 #   define __STL_PTHREADS
 102 #endif
 103 #ifdef _SOLTHREADS
 104 #   define __STL_SOLTHREADS
 105 #endif
 106
 107 # if defined(__sgi) && !defined(__GNUC__)
 108 #   if !defined(_BOOL)
 109 #     define __STL_NO_BOOL
 110 #   endif
 111 #   if defined(_WCHAR_T_IS_KEYWORD)
 112 #     define __STL_HAS_WCHAR_T
 113 #   endif
 114 #   if !defined(_TYPENAME_IS_KEYWORD)
 115 #     define __STL_NEED_TYPENAME
 116 #   endif
 117 #   ifdef _PARTIAL_SPECIALIZATION_OF_CLASS_TEMPLATES
 118 #     define __STL_CLASS_PARTIAL_SPECIALIZATION
 119 #   endif
 120 #   ifdef _MEMBER_TEMPLATES
 121 #     define __STL_MEMBER_TEMPLATES
 122 #     define __STL_MEMBER_TEMPLATE_CLASSES
 123 #   endif
 124 #   if defined(_MEMBER_TEMPLATE_KEYWORD)
 125 #     define __STL_MEMBER_TEMPLATE_KEYWORD
 126 #   endif
 127 #   if (_COMPILER_VERSION >= 730) && defined(_MIPS_SIM) && _MIPS_SIM != _ABIO32
 128 #     define __STL_MEMBER_TEMPLATE_KEYWORD
 129 #   endif
 130 #   if !defined(_EXPLICIT_IS_KEYWORD)
 131 #     define __STL_NEED_EXPLICIT
 132 #   endif
 133 #   ifdef __EXCEPTIONS
 134 #     define __STL_USE_EXCEPTIONS
 135 #   endif
 136 #   if (_COMPILER_VERSION >= 721) && defined(_NAMESPACES)
 137 #     define __STL_HAS_NAMESPACES
 138 #   endif
 139 #   if (_COMPILER_VERSION < 721)
 140 #     define __STL_NO_EXCEPTION_HEADER
 141 #   endif
 142 #   if !defined(_NOTHREADS) && !defined(__STL_PTHREADS)
 143 #     define __STL_SGI_THREADS
 144 #   endif
 145 #   if defined(_LONGLONG) && defined(_SGIAPI) && _SGIAPI
 146 #     define __STL_LONG_LONG
 147 #   endif
 148 # endif
 149
 150 # ifdef __GNUC__
 151 #   include <_G_config.h>
 152 #   define __STL_HAS_WCHAR_T
 153 #   if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
 154 #     define __STL_STATIC_TEMPLATE_MEMBER_BUG
 155 #     define __STL_NEED_TYPENAME
 156 #     define __STL_NEED_EXPLICIT
 157 #   else
 158 #     define __STL_CLASS_PARTIAL_SPECIALIZATION
 159 #     define __STL_FUNCTION_TMPL_PARTIAL_ORDER
 160 #     define __STL_MEMBER_TEMPLATES
 161 #     define __STL_MEMBER_TEMPLATE_CLASSES
 162 #     define __STL_EXPLICIT_FUNCTION_TMPL_ARGS
 163 #     define __STL_HAS_NAMESPACES
 164 #     define __STL_NO_NAMESPACES
 165 #     define __SGI_STL_USE_AUTO_PTR_CONVERSIONS
 166 #     define __STL_USE_NAMESPACES
 167 #   endif
 168 #   if defined(__linux__)
 169      /* glibc pre 2.0 is very buggy. We have to disable thread for it.
 170         It should be upgraded to glibc 2.0 or later. */
 171 #    if !defined(_NOTHREADS) && __GLIBC__ >= 2 && defined(_G_USING_THUNKS)
 172 #      define __STL_PTHREADS
 173 #      ifdef __STRICT_ANSI__
 174          /* Work around a bug in the glibc 2.0.x pthread.h.  */
 175 #        define sigset_t __sigset_t
 176 #      endif
 177 #    endif
 178 #   endif
 179 #   ifdef __EXCEPTIONS
 180 #     define __STL_USE_EXCEPTIONS
 181 #   endif
 182 #   ifndef __STRICT_ANSI__
 183 #     define __STL_LONG_LONG
 184 #   endif
 185 # endif
 186
 187 # if defined(__SUNPRO_CC)
 188 #   define __STL_NO_BOOL
 189 #   define __STL_NEED_TYPENAME
 190 #   define __STL_NEED_EXPLICIT
 191 #   define __STL_USE_EXCEPTIONS
 192 # endif
 193
 194 # if defined(__COMO__)
 195 #   define __STL_MEMBER_TEMPLATES
 196 #   define __STL_MEMBER_TEMPLATE_CLASSES
 197 #   define __STL_CLASS_PARTIAL_SPECIALIZATION
 198 #   define __STL_USE_EXCEPTIONS
 199 #   define __STL_HAS_NAMESPACES
 200 # endif
 201
 202 # if defined(__MINGW32__)
 203 #   define __STL_NO_DRAND48
 204 #   ifdef _MT
 205 #     define __STL_WIN32THREADS
 206 #   endif
 207 # endif
 208
 209 # if defined(__CYGWIN__) || defined(__MSYS__)
 210 #   define __STL_NO_DRAND48
 211 # endif
 212
 213 # if defined(_MSC_VER)
 214 #   define __STL_NO_DRAND48
 215 #   define __STL_NEED_TYPENAME
 216 #   if _MSC_VER < 1100  /* 1000 is version 4.0, 1100 is 5.0, 1200 is 6.0. */
 217 #     define __STL_NEED_EXPLICIT
 218 #     define __STL_NO_BOOL
 219 #     if  _MSC_VER > 1000
 220 #       include <yvals.h>
 221 #       define __STL_DONT_USE_BOOL_TYPEDEF
 222 #     endif
 223 #   endif
 224 #   define __STL_NON_TYPE_TMPL_PARAM_BUG
 225 #   define __SGI_STL_NO_ARROW_OPERATOR
 226 #   ifdef _CPPUNWIND
 227 #     define __STL_USE_EXCEPTIONS
 228 #   endif
 229 #   ifdef _MT
 230 #     define __STL_WIN32THREADS
 231 #   endif
 232 #   if _MSC_VER >= 1200
 233 #     define __STL_PARTIAL_SPECIALIZATION_SYNTAX
 234 #     define __STL_HAS_NAMESPACES
 235 #     define __STL_NO_NAMESPACES
 236 #   endif
 237 # endif
 238
 239 # if defined(__BORLANDC__)
 240 #   define __STL_NO_DRAND48
 241 #   define __STL_NEED_TYPENAME
 242 #   define __STL_LIMITED_DEFAULT_TEMPLATES
 243 #   define __SGI_STL_NO_ARROW_OPERATOR
 244 #   define __STL_NON_TYPE_TMPL_PARAM_BUG
 245 #   ifdef _CPPUNWIND
 246 #     define __STL_USE_EXCEPTIONS
 247 #   endif
 248 #   ifdef __MT__
 249 #     define __STL_WIN32THREADS
 250 #   endif
 251 # endif
 252
 253 # if defined(__STL_NO_BOOL) && !defined(__STL_DONT_USE_BOOL_TYPEDEF)
 254     typedef int bool;
 255 #   define true 1
 256 #   define false 0
 257 # endif
 258
 259 # ifdef __STL_NEED_TYPENAME
 260 #   define typename
 261 # endif
 262
 263 # ifdef __STL_MEMBER_TEMPLATE_KEYWORD
 264 #   define __STL_TEMPLATE template
 265 # else
 266 #   define __STL_TEMPLATE
 267 # endif
 268
 269 # ifdef __STL_NEED_EXPLICIT
 270 #   define explicit
 271 # endif
 272
 273 # ifdef __STL_EXPLICIT_FUNCTION_TMPL_ARGS
 274 #   define __STL_NULL_TMPL_ARGS <>
 275 # else
 276 #   define __STL_NULL_TMPL_ARGS
 277 # endif
 278
 279 # if defined(__STL_CLASS_PARTIAL_SPECIALIZATION) \
 280      || defined (__STL_PARTIAL_SPECIALIZATION_SYNTAX)
 281 #   define __STL_TEMPLATE_NULL template<>
 282 # else
 283 #   define __STL_TEMPLATE_NULL
 284 # endif
 285
 286 // Use standard-conforming allocators if we have the necessary language
 287 // features.  __STL_USE_SGI_ALLOCATORS is a hook so that users can
 288 // disable new-style allocators, and continue to use the same kind of
 289 // allocators as before, without having to edit library headers.
 290 # if defined(__STL_CLASS_PARTIAL_SPECIALIZATION) && \
 291      defined(__STL_MEMBER_TEMPLATES) && \
 292      defined(__STL_MEMBER_TEMPLATE_CLASSES) && \
 293     !defined(__STL_NO_BOOL) && \
 294     !defined(__STL_NON_TYPE_TMPL_PARAM_BUG) && \
 295     !defined(__STL_LIMITED_DEFAULT_TEMPLATES) && \
 296     !defined(__STL_USE_SGI_ALLOCATORS)
 297 #   define __STL_USE_STD_ALLOCATORS
 298 # endif
 299
 300 # ifndef __STL_DEFAULT_ALLOCATOR
 301 #   ifdef __STL_USE_STD_ALLOCATORS
 302 #     define __STL_DEFAULT_ALLOCATOR(T) allocator<T>
 303 #   else
 304 #     define __STL_DEFAULT_ALLOCATOR(T) alloc
 305 #   endif
 306 # endif
 307
 308 // __STL_NO_NAMESPACES is a hook so that users can disable namespaces
 309 // without having to edit library headers.
 310 # if defined(__STL_HAS_NAMESPACES) && !defined(__STL_NO_NAMESPACES)
 311 #   define __STD std
 312 #   define __STL_BEGIN_NAMESPACE namespace std {
 313 #   define __STL_END_NAMESPACE }
 314 #   define __STL_USE_NAMESPACE_FOR_RELOPS
 315 #   define __STL_BEGIN_RELOPS_NAMESPACE namespace std {
 316 #   define __STL_END_RELOPS_NAMESPACE }
 317 #   define __STD_RELOPS std
 318 #   define __STL_USE_NAMESPACES
 319 # else
 320 #   define __STD
 321 #   define __STL_BEGIN_NAMESPACE
 322 #   define __STL_END_NAMESPACE
 323 #   undef  __STL_USE_NAMESPACE_FOR_RELOPS
 324 #   define __STL_BEGIN_RELOPS_NAMESPACE
 325 #   define __STL_END_RELOPS_NAMESPACE
 326 #   define __STD_RELOPS
 327 #   undef  __STL_USE_NAMESPACES
 328 # endif
 329
 330 # ifdef __STL_USE_EXCEPTIONS
 331 #   define __STL_TRY try
 332 #   define __STL_CATCH_ALL catch(...)
 333 #   define __STL_THROW(x) throw x
 334 #   define __STL_RETHROW throw
 335 #   define __STL_NOTHROW throw()
 336 #   define __STL_UNWIND(action) catch(...) { action; throw; }
 337 # else
 338 #   define __STL_TRY
 339 #   define __STL_CATCH_ALL if (false)
 340 #   define __STL_THROW(x)
 341 #   define __STL_RETHROW
 342 #   define __STL_NOTHROW
 343 #   define __STL_UNWIND(action)
 344 # endif
 345
 346 #ifdef __STL_ASSERTIONS
 347 # include <stdio.h>
 348 # define __stl_assert(expr) \
 349     if (!(expr)) { fprintf(stderr, "%s:%d STL assertion failure: %s\n", \
 350                           __FILE__, __LINE__, # expr); abort(); }
 351 #else
 352 # define __stl_assert(expr)
 353 #endif
 354
 355 #endif /* __STL_CONFIG_H */
 356
 357 // Local Variables:
 358 // mode:C++
 359 // End: