stl_config.h

stl的源代码3.13版

/*
 *
 * Copyright (c) 1994
 * Hewlett-Packard Company
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Hewlett-Packard Company makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 * Copyright (c) 1997
 * Silicon Graphics
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Silicon Graphics makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 */

#ifndef __STL_CONFIG_H
# define __STL_CONFIG_H

// Flags:
// * __STL_NO_BOOL: defined if the compiler doesn't have bool as a builtin
//   type.
// * __STL_HAS_WCHAR_T: defined if the compier has wchar_t as a builtin type.
// * __STL_NO_DRAND48: defined if the compiler doesn't have the drand48 
//   function.
// * __STL_STATIC_TEMPLATE_MEMBER_BUG: defined if the compiler can't handle
//   static members of template classes.
// * __STL_CLASS_PARTIAL_SPECIALIZATION: defined if the compiler supports
//   partial specialization of template classes.
// * __STL_PARTIAL_SPECIALIZATION_SYNTAX: defined if the compiler 
//   supports partial specialization syntax for full specialization of
//   class templates.  (Even if it doesn't actually support partial 
//   specialization itself.)
// * __STL_FUNCTION_TMPL_PARTIAL_ORDER: defined if the compiler supports
//   partial ordering of function templates.  (a.k.a partial specialization
//   of function templates.)
// * __STL_MEMBER_TEMPLATES: defined if the compiler supports template
//   member functions of classes.
// * __STL_MEMBER_TEMPLATE_CLASSES: defined if the compiler supports 
//   nested classes that are member templates of other classes.
// * __STL_EXPLICIT_FUNCTION_TMPL_ARGS: defined if the compiler 
//   supports calling a function template by providing its template
//   arguments explicitly.
// * __STL_LIMITED_DEFAULT_TEMPLATES: defined if the compiler is unable
//   to handle default template parameters that depend on previous template
//   parameters.
// * __STL_NON_TYPE_TMPL_PARAM_BUG: defined if the compiler has trouble with
//   function template argument deduction for non-type template parameters.
// * __SGI_STL_NO_ARROW_OPERATOR: defined if the compiler is unable
//   to support the -> operator for iterators.
// * __STL_DEFAULT_CONSTRUCTOR_BUG: defined if T() does not work properly
//   when T is a builtin type.
// * __STL_USE_EXCEPTIONS: defined if the compiler (in the current compilation
//   mode) supports exceptions.
// * __STL_USE_NAMESPACES: defined if the compiler has the necessary
//   support for namespaces.
// * __STL_NO_EXCEPTION_HEADER: defined if the compiler does not have a
//   standard-conforming header <exception>.
// * __STL_NO_BAD_ALLOC: defined if the compiler does not have a <new>
//   header, or if <new> does not contain a bad_alloc class.  If a bad_alloc
//   class exists, it is assumed to be in namespace std.
// * __STL_SGI_THREADS: defined if this is being compiled for an SGI IRIX
//   system in multithreaded mode, using native SGI threads instead of 
//   pthreads.
// * __STL_WIN32THREADS: defined if this is being compiled on a WIN32
//   compiler in multithreaded mode.
// * __STL_PTHREADS: defined if we should use portable pthreads
//   synchronization.
// * __STL_LONG_LONG if the compiler has long long and unsigned long long
//   types.  (They're not in the C++ standard, but they are expected to be 
//   included in the forthcoming C9X standard.)
// * __STL_THREADS is defined if thread safety is needed.
// * __STL_VOLATILE is deifined to be "volatile" if threads are being
//   used, and the empty string otherwise.


// User-settable macros that control compilation:
// * __STL_USE_SGI_ALLOCATORS: if defined, then the STL will use older
//   SGI-style allocators, instead of standard-conforming allocators,
//   even if the compiler supports all of the language features needed
//   for standard-conforming allocators.
// * __STL_NO_NAMESPACES: if defined, don't put the library in namespace
//   std, even if the compiler supports namespaces.
// * __STL_NO_RELOPS_NAMESPACE: if defined, don't put the relational
//   operator templates (>, <=. >=, !=) in namespace std::rel_ops, even
//   if the compiler supports namespaces and partial ordering of
//   function templates.
// * __STL_ASSERTIONS: if defined, then enable runtime checking through the
//   __stl_assert macro.
// * _PTHREADS: if defined, use Posix threads for multithreading support.
// * _NOTHREADS: if defined, don't use any multithreading support.  
// * __STL_USE_NEW_IOSTREAMS: if defined, then the STL will use new,
//   standard-conforming iostreams (e.g. the <iosfwd> header).  If not
//   defined, the STL will use old cfront-style iostreams (e.g. the
//   <iostream.h> header).

// Other macros defined by this file:

// * bool, true, and false, if __STL_NO_BOOL is defined.
// * typename, as a null macro if it's not already a keyword.
// * explicit, as a null macro if it's not already a keyword.
// * namespace-related macros (__STD, __STL_BEGIN_NAMESPACE, etc.)
// * exception-related macros (__STL_TRY, __STL_UNWIND, etc.)
// * __stl_assert, either as a test or as a null macro, depending on
//   whether or not __STL_ASSERTIONS is defined.

# if defined(_PTHREADS) && !defined(_NOTHREADS)
#     define __STL_PTHREADS
# endif

# if defined(__sgi) && !defined(__GNUC__)
#   include <standards.h>
#   if !defined(_BOOL)
#     define __STL_NO_BOOL
#   endif
#   if defined(_WCHAR_T_IS_KEYWORD)
#     define __STL_HAS_WCHAR_T 
#   endif
#   if !defined(_TYPENAME_IS_KEYWORD)
#     define __STL_NEED_TYPENAME
#   endif
#   ifdef _PARTIAL_SPECIALIZATION_OF_CLASS_TEMPLATES
#     define __STL_CLASS_PARTIAL_SPECIALIZATION
#   endif
#   if (_COMPILER_VERSION >= 730) && defined(_MIPS_SIM) && _MIPS_SIM != _ABI32
#     define __STL_FUNCTION_TMPL_PARTIAL_ORDER
#   endif
#   ifdef _MEMBER_TEMPLATES
#     define __STL_MEMBER_TEMPLATES
#     define __STL_MEMBER_TEMPLATE_CLASSES
#   endif
#   if defined(_MEMBER_TEMPLATE_KEYWORD)
#     define __STL_MEMBER_TEMPLATE_KEYWORD
#   endif
#   if defined(_STANDARD_C_PLUS_PLUS)
#     define __STL_EXPLICIT_FUNCTION_TMPL_ARGS
#   endif
#   if (_COMPILER_VERSION >= 730) && defined(_MIPS_SIM) && _MIPS_SIM != _ABI32
#     define __STL_MEMBER_TEMPLATE_KEYWORD
#   endif
#   if defined(_MIPS_SIM) && _MIPS_SIM != _MIPS_SIM_ABI32
#     define __STL_DEFAULT_CONSTRUCTOR_BUG
#   endif
#   if !defined(_EXPLICIT_IS_KEYWORD)
#     define __STL_NEED_EXPLICIT
#   endif
#   ifdef __EXCEPTIONS
#     define __STL_USE_EXCEPTIONS
#   endif
#   if (_COMPILER_VERSION >= 721) && defined(_NAMESPACES)
#     define __STL_HAS_NAMESPACES
#   endif 
#   if (_COMPILER_VERSION < 721)
#     define __STL_NO_EXCEPTION_HEADER
#   endif
#   if _COMPILER_VERSION < 730 || !defined(_STANDARD_C_PLUS_PLUS) || \
      !defined(_NAMESPACES)
#     define __STL_NO_BAD_ALLOC
#   endif
#   if !defined(_NOTHREADS) && !defined(__STL_PTHREADS)
#     define __STL_SGI_THREADS
#   endif
#   if defined(_LONGLONG) && defined(_SGIAPI) && _SGIAPI
#     define __STL_LONG_LONG
#   endif
#   if _COMPILER_VERSION >= 730 && defined(_STANDARD_C_PLUS_PLUS)
#     define __STL_USE_NEW_IOSTREAMS
#   endif
#   if _COMPILER_VERSION >= 730 && defined(_STANDARD_C_PLUS_PLUS)
#     define __STL_CAN_THROW_RANGE_ERRORS
#   endif
#   if _COMPILER_VERSION >= 730 && defined(_STANDARD_C_PLUS_PLUS)
#     define __SGI_STL_USE_AUTO_PTR_CONVERSIONS
#   endif
# endif

# ifdef __GNUC__
#   if __GNUC__ == 2 && __GNUC_MINOR__ <= 7
#     define __STL_STATIC_TEMPLATE_MEMBER_BUG
#   endif
#   if __GNUC__ < 2 
#     define __STL_NEED_TYPENAME
#     define __STL_NEED_EXPLICIT
#   endif
#   if __GNUC__ == 2 && __GNUC_MINOR__ >= 8
#     define __STL_CLASS_PARTIAL_SPECIALIZATION
#     define __STL_FUNCTION_TMPL_PARTIAL_ORDER
#     define __STL_EXPLICIT_FUNCTION_TMPL_ARGS
#     define __STL_MEMBER_TEMPLATES
#     define __STL_CAN_THROW_RANGE_ERRORS
      //    g++ 2.8.1 supports member template functions, but not member
      //    template nested classes.
#     if __GNUC_MINOR__ >= 9
#       define __STL_MEMBER_TEMPLATE_CLASSES
#     endif
#   endif
#   define __STL_DEFAULT_CONSTRUCTOR_BUG
#   ifdef __EXCEPTIONS
#     define __STL_USE_EXCEPTIONS
#   endif
#   ifdef _REENTRANT
#     define __STL_PTHREADS
#   endif
# endif

# if defined(__SUNPRO_CC) 
#   define __STL_NO_BOOL