text: //  (C) Copyright John Maddock 2001 - 2003.
  //  (C) Copyright David Abrahams 2002 - 2003.
  //  (C) Copyright Aleksey Gurtovoy 2002.
  //  Use, modification and distribution are subject to the
  //  Boost Software License, Version 1.0. (See accompanying file
  //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  
  //  See http://www.boost.org for most recent version.
  
  //  Borland C++ compiler setup:
  
  //
  // versions check:
  // we don't support Borland prior to version 5.4:
  #if __BORLANDC__ < 0x540
  #  error "Compiler not supported or configured - please reconfigure"
  #endif
  
  // last known compiler version:
  #if (__BORLANDC__ > 0x613)
  //#  if defined(BOOST_ASSERT_CONFIG)
  #     error "Unknown compiler version - please run the configure tests and report the results"
  //#  else
  //#     pragma message( "Unknown compiler version - please run the configure tests and report the results")
  //#  endif
  #elif (__BORLANDC__ == 0x600)
  #  error "CBuilderX preview compiler is no longer supported"
  #endif
  
  //
  // Support macros to help with standard library detection
  #if (__BORLANDC__ < 0x560) || defined(_USE_OLD_RW_STL)
  #  define BOOST_BCB_WITH_ROGUE_WAVE
  #elif __BORLANDC__ < 0x570
  #  define BOOST_BCB_WITH_STLPORT
  #else
  #  define BOOST_BCB_WITH_DINKUMWARE
  #endif
  
  //
  // Version 5.0 and below:
  #   if __BORLANDC__ <= 0x0550
  // Borland C++Builder 4 and 5:
  #     define BOOST_NO_MEMBER_TEMPLATE_FRIENDS
  #     if __BORLANDC__ == 0x0550
  // Borland C++Builder 5, command-line compiler 5.5:
  #       define BOOST_NO_OPERATORS_IN_NAMESPACE
  #     endif
  // Variadic macros do not exist for C++ Builder versions 5 and below
  #define BOOST_NO_CXX11_VARIADIC_MACROS
  #   endif
  
  // Version 5.51 and below:
  #if (__BORLANDC__ <= 0x551)
  #  define BOOST_NO_CV_SPECIALIZATIONS
  #  define BOOST_NO_CV_VOID_SPECIALIZATIONS
  #  define BOOST_NO_DEDUCED_TYPENAME
  // workaround for missing WCHAR_MAX/WCHAR_MIN:
  #ifdef __cplusplus
  #include <climits>
  #include <cwchar>
  #else
  #include <limits.h>
  #include <wchar.h>
  #endif // __cplusplus
  #ifndef WCHAR_MAX
  #  define WCHAR_MAX 0xffff
  #endif
  #ifndef WCHAR_MIN
  #  define WCHAR_MIN 0
  #endif
  #endif
  
  // Borland C++ Builder 6 and below:
  #if (__BORLANDC__ <= 0x564)
  
  #  if defined(NDEBUG) && defined(__cplusplus)
        // fix broken <cstring> so that Boost.test works:
  #     include <cstring>
  #     undef strcmp
  #  endif
     // fix broken errno declaration:
  #  include <errno.h>
  #  ifndef errno
  #     define errno errno
  #  endif
  
  #endif
  
  //
  // new bug in 5.61:
  #if (__BORLANDC__ >= 0x561) && (__BORLANDC__ <= 0x580)
     // this seems to be needed by the command line compiler, but not the IDE:
  #  define BOOST_NO_MEMBER_FUNCTION_SPECIALIZATIONS
  #endif
  
  // Borland C++ Builder 2006 Update 2 and below:
  #if (__BORLANDC__ <= 0x582)
  #  define BOOST_NO_SFINAE
  #  define BOOST_BCB_PARTIAL_SPECIALIZATION_BUG
  #  define BOOST_NO_TEMPLATE_TEMPLATES
  
  #  define BOOST_NO_PRIVATE_IN_AGGREGATE
  
  #  ifdef _WIN32
  #     define BOOST_NO_SWPRINTF
  #  elif defined(linux) || defined(__linux__) || defined(__linux)
        // we should really be able to do without this
        // but the wcs* functions aren't imported into std::
  #     define BOOST_NO_STDC_NAMESPACE
        // _CPPUNWIND doesn't get automatically set for some reason:
  #     pragma defineonoption BOOST_CPPUNWIND -x
  #  endif
  #endif
  
  #if (__BORLANDC__ <= 0x613)  // Beman has asked Alisdair for more info
     // we shouldn't really need this - but too many things choke
     // without it, this needs more investigation:
  #  define BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
  #  define BOOST_NO_IS_ABSTRACT
  #  define BOOST_NO_FUNCTION_TYPE_SPECIALIZATIONS
  #  define BOOST_NO_USING_TEMPLATE
  #  define BOOST_SP_NO_SP_CONVERTIBLE
  
  // Temporary workaround
  #define BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
  #endif
  
  // Borland C++ Builder 2008 and below:
  #  define BOOST_NO_INTEGRAL_INT64_T
  #  define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL
  #  define BOOST_NO_DEPENDENT_NESTED_DERIVATIONS
  #  define BOOST_NO_MEMBER_TEMPLATE_FRIENDS
  #  define BOOST_NO_TWO_PHASE_NAME_LOOKUP
  #  define BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE
  #  define BOOST_NO_NESTED_FRIENDSHIP
  #  define BOOST_NO_TYPENAME_WITH_CTOR
  #if (__BORLANDC__ < 0x600)
  #  define BOOST_ILLEGAL_CV_REFERENCES
  #endif
  
  //
  //  Positive Feature detection
  //
  // Borland C++ Builder 2008 and below:
  #if (__BORLANDC__ >= 0x599)
  #  pragma defineonoption BOOST_CODEGEAR_0X_SUPPORT -Ax
  #endif
  //
  // C++0x Macros:
  //
  #if !defined( BOOST_CODEGEAR_0X_SUPPORT ) || (__BORLANDC__ < 0x610)
  #  define BOOST_NO_CXX11_CHAR16_T
  #  define BOOST_NO_CXX11_CHAR32_T
  #  define BOOST_NO_CXX11_DECLTYPE
  #  define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
  #  define BOOST_NO_CXX11_EXTERN_TEMPLATE
  #  define BOOST_NO_CXX11_RVALUE_REFERENCES
  #  define BOOST_NO_CXX11_SCOPED_ENUMS
  #  define BOOST_NO_CXX11_STATIC_ASSERT
  #else
  #  define BOOST_HAS_ALIGNOF
  #  define BOOST_HAS_CHAR16_T
  #  define BOOST_HAS_CHAR32_T
  #  define BOOST_HAS_DECLTYPE
  #  define BOOST_HAS_EXPLICIT_CONVERSION_OPS
  #  define BOOST_HAS_REF_QUALIFIER
  #  define BOOST_HAS_RVALUE_REFS
  #  define BOOST_HAS_STATIC_ASSERT
  #endif
  
  #define BOOST_NO_CXX11_AUTO_DECLARATIONS
  #define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
  #define BOOST_NO_CXX11_CONSTEXPR
  #define BOOST_NO_CXX11_DECLTYPE_N3276
  #define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
  #define BOOST_NO_CXX11_DELETED_FUNCTIONS
  #define BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
  #define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
  #define BOOST_NO_CXX11_LAMBDAS
  #define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
  #define BOOST_NO_CXX11_NULLPTR
  #define BOOST_NO_CXX11_RANGE_BASED_FOR
  #define BOOST_NO_CXX11_RAW_LITERALS
  #define BOOST_NO_CXX11_RVALUE_REFERENCES
  #define BOOST_NO_CXX11_SCOPED_ENUMS
  #define BOOST_NO_SFINAE_EXPR
  #define BOOST_NO_CXX11_TEMPLATE_ALIASES
  #define BOOST_NO_CXX11_UNICODE_LITERALS    // UTF-8 still not supported
  #define BOOST_NO_CXX11_VARIADIC_TEMPLATES
  #define BOOST_NO_CXX11_NOEXCEPT
  #define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
  #define BOOST_NO_CXX11_USER_DEFINED_LITERALS
  #define BOOST_NO_CXX11_ALIGNAS
  #define BOOST_NO_CXX11_TRAILING_RESULT_TYPES
  #define BOOST_NO_CXX11_INLINE_NAMESPACES
  #define BOOST_NO_CXX11_REF_QUALIFIERS
  #define BOOST_NO_CXX11_FINAL
  
  // C++ 14:
  #if !defined(__cpp_aggregate_nsdmi) || (__cpp_aggregate_nsdmi < 201304)
  #  define BOOST_NO_CXX14_AGGREGATE_NSDMI
  #endif
  #if !defined(__cpp_binary_literals) || (__cpp_binary_literals < 201304)
  #  define BOOST_NO_CXX14_BINARY_LITERALS
  #endif
  #if !defined(__cpp_constexpr) || (__cpp_constexpr < 201304)
  #  define BOOST_NO_CXX14_CONSTEXPR
  #endif
  #if !defined(__cpp_decltype_auto) || (__cpp_decltype_auto < 201304)
  #  define BOOST_NO_CXX14_DECLTYPE_AUTO
  #endif
  #if (__cplusplus < 201304) // There's no SD6 check for this....
  #  define BOOST_NO_CXX14_DIGIT_SEPARATORS
  #endif
  #if !defined(__cpp_generic_lambdas) || (__cpp_generic_lambdas < 201304)
  #  define BOOST_NO_CXX14_GENERIC_LAMBDAS
  #endif
  #if !defined(__cpp_init_captures) || (__cpp_init_captures < 201304)
  #  define BOOST_NO_CXX14_INITIALIZED_LAMBDA_CAPTURES
  #endif
  #if !defined(__cpp_return_type_deduction) || (__cpp_return_type_deduction < 201304)
  #  define BOOST_NO_CXX14_RETURN_TYPE_DEDUCTION
  #endif
  #if !defined(__cpp_variable_templates) || (__cpp_variable_templates < 201304)
  #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
  #endif
  
  #if __BORLANDC__ >= 0x590
  #  define BOOST_HAS_TR1_HASH
  
  #  define BOOST_HAS_MACRO_USE_FACET
  #endif
  
  //
  // Post 0x561 we have long long and stdint.h:
  #if __BORLANDC__ >= 0x561
  #  ifndef __NO_LONG_LONG
  #     define BOOST_HAS_LONG_LONG
  #  else
  #     define BOOST_NO_LONG_LONG
  #  endif
     // On non-Win32 platforms let the platform config figure this out:
  #  ifdef _WIN32
  #      define BOOST_HAS_STDINT_H
  #  endif
  #endif
  
  // Borland C++Builder 6 defaults to using STLPort.  If _USE_OLD_RW_STL is
  // defined, then we have 0x560 or greater with the Rogue Wave implementation
  // which presumably has the std::DBL_MAX bug.
  #if defined( BOOST_BCB_WITH_ROGUE_WAVE )
  // <climits> is partly broken, some macros define symbols that are really in
  // namespace std, so you end up having to use illegal constructs like
  // std::DBL_MAX, as a fix we'll just include float.h and have done with:
  #include <float.h>
  #endif
  //
  // __int64:
  //
  #if (__BORLANDC__ >= 0x530) && !defined(__STRICT_ANSI__)
  #  define BOOST_HAS_MS_INT64
  #endif
  //
  // check for exception handling support:
  //
  #if !defined(_CPPUNWIND) && !defined(BOOST_CPPUNWIND) && !defined(__EXCEPTIONS) && !defined(BOOST_NO_EXCEPTIONS)
  #  define BOOST_NO_EXCEPTIONS
  #endif
  //
  // all versions have a <dirent.h>:
  //
  #ifndef __STRICT_ANSI__
  #  define BOOST_HAS_DIRENT_H
  #endif
  //
  // all versions support __declspec:
  //
  #if defined(__STRICT_ANSI__)
  // config/platform/win32.hpp will define BOOST_SYMBOL_EXPORT, etc., unless already defined
  #  define BOOST_SYMBOL_EXPORT
  #endif
  //
  // ABI fixing headers:
  //
  #if __BORLANDC__ != 0x600 // not implemented for version 6 compiler yet
  #ifndef BOOST_ABI_PREFIX
  #  define BOOST_ABI_PREFIX "boost/config/abi/borland_prefix.hpp"
  #endif
  #ifndef BOOST_ABI_SUFFIX
  #  define BOOST_ABI_SUFFIX "boost/config/abi/borland_suffix.hpp"
  #endif
  #endif
  //
  // Disable Win32 support in ANSI mode:
  //
  #if __BORLANDC__ < 0x600
  #  pragma defineonoption BOOST_DISABLE_WIN32 -A
  #elif defined(__STRICT_ANSI__)
  #  define BOOST_DISABLE_WIN32
  #endif
  //
  // MSVC compatibility mode does some nasty things:
  // TODO: look up if this doesn't apply to the whole 12xx range
  //
  #if defined(_MSC_VER) && (_MSC_VER <= 1200)
  #  define BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
  #  define BOOST_NO_VOID_RETURNS
  #endif
  
  // Borland did not implement value-initialization completely, as I reported
  // in 2007, Borland Report 51854, "Value-initialization: POD struct should be
  // zero-initialized", http://qc.embarcadero.com/wc/qcmain.aspx?d=51854
  // See also: http://www.boost.org/libs/utility/value_init.htm#compiler_issues
  // (Niels Dekker, LKEB, April 2010)
  #define BOOST_NO_COMPLETE_VALUE_INITIALIZATION
  
  #define BOOST_COMPILER "Borland C++ version " BOOST_STRINGIZE(__BORLANDC__)
  