#ifndef DATE_TIME_COMPILER_CONFIG_HPP___

#define DATE_TIME_COMPILER_CONFIG_HPP___

/* Copyright (c) 2002-2004 CrystalClear Software, Inc.

 * Subject to the Boost Software License, Version 1.0. (See accompanying

 * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)

 * Author: Jeff Garland, Bart Garst

 * $Date: 2008-11-12 14:37:53 -0500 (Wed, 12 Nov 2008) $

 */

#include <cstdlib>

#include <boost/config.hpp>

#include <boost/detail/workaround.hpp>

// With boost release 1.33, date_time will be using a different,

// more flexible, IO system. This new system is not compatible with

// old compilers. The original date_time IO system remains for those

// compilers. They must define this macro to use the legacy IO.

//     (defined(__BORLANDC__) && (__BORLANDC__ <= 0x0581) ) )   &&

 #if(  BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT(0x581) ) \

    || BOOST_WORKAROUND( __GNUC__, < 3)                         \

    || (BOOST_WORKAROUND( _MSC_VER, <= 1300) )                  \

    )                                                           \

    && !defined(USE_DATE_TIME_PRE_1_33_FACET_IO)

# define USE_DATE_TIME_PRE_1_33_FACET_IO

#endif

// This file performs some local compiler configurations

#include <boost/date_time/locale_config.hpp> //set up locale configurations

//Set up a configuration parameter for platforms that have 

//GetTimeOfDay

#if defined(BOOST_HAS_GETTIMEOFDAY) || defined(BOOST_HAS_FTIME)

#define BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK

#endif

// To Force no default constructors for date & ptime, un-comment following

//#define DATE_TIME_NO_DEFAULT_CONSTRUCTOR

// Include extensions to date_duration - comment out to remove this feature

#define BOOST_DATE_TIME_OPTIONAL_GREGORIAN_TYPES

// these extensions are known to cause problems with gcc295

#if defined(__GNUC__) && (__GNUC__ < 3)

#undef BOOST_DATE_TIME_OPTIONAL_GREGORIAN_TYPES

#endif

#if (defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION) || BOOST_WORKAROUND( __BORLANDC__,  BOOST_TESTED_AT(0x581) ) )

#define BOOST_DATE_TIME_NO_MEMBER_INIT

#endif

// include these types before we try to re-define them

#include <boost/cstdint.hpp>

//Define INT64_C for compilers that don't have it

#if (!defined(INT64_C))

#define INT64_C(value)  int64_t(value)

#endif

/* Workaround for Borland iterator error. Error was "Cannot convert 'istream *' to 'wistream *' in function istream_iterator<>::istream_iterator() */

#if defined(__BORLANDC__) && defined(BOOST_BCB_WITH_RW_LIB)

#define BOOST_DATE_TIME_NO_WISTREAM_ITERATOR

#endif

// Borland v5.64 does not have the following in std namespace; v5.5.1 does

#if defined(__BORLANDC__) && defined(BOOST_BCB_WITH_STLPORT)

#include <locale>

namespace std {

  using stlport::tolower;

  using stlport::ctype;

  using stlport::use_facet;

}

#endif

// workaround for errors associated with output for date classes 

// modifications and input streaming for time classes. 

// Compilers affected are:

// gcc295, msvc (neither with STLPort), any borland

// 

#if (((defined(__GNUC__) && (__GNUC__ < 3)) || \

      (defined(_MSC_VER) && (_MSC_VER < 1300)) ) && \

      !defined(_STLP_OWN_IOSTREAMS) ) || \

      BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT(0x581) )

#define BOOST_DATE_TIME_INCLUDE_LIMITED_HEADERS

#endif

// The macro marks up places where compiler complains for missing return statement or

// uninitialized variables after calling to boost::throw_exception.

// BOOST_UNREACHABLE_RETURN doesn't work since even compilers that support

// unreachable statements detection emit such warnings.

#if defined(_MSC_VER)

// Use special MSVC extension to markup unreachable code

#  define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) __assume(false)

#elif !defined(BOOST_NO_UNREACHABLE_RETURN_DETECTION)

// Call to a non-returning function should suppress the warning

#  if defined(BOOST_NO_STDC_NAMESPACE)

namespace std {

    using ::abort;

}

#  endif // defined(BOOST_NO_STDC_NAMESPACE)

#  define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) std::abort()

#else

// For other poor compilers the specified expression is compiled. Usually, this would be a return statement.

#  define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) x

#endif

/* The following handles the definition of the necessary macros

 * for dll building on Win32 platforms.

 * 

 * For code that will be placed in the date_time .dll, 

 * it must be properly prefixed with BOOST_DATE_TIME_DECL.

 * The corresponding .cpp file must have BOOST_DATE_TIME_SOURCE

 * defined before including its header. For examples see:

 * greg_month.hpp & greg_month.cpp

 * 

 */

#ifdef BOOST_HAS_DECLSPEC // defined in config system

   // we need to import/export our code only if the user has specifically

   // asked for it by defining either BOOST_ALL_DYN_LINK if they want all boost

   // libraries to be dynamically linked, or BOOST_DATE_TIME_DYN_LINK

   // if they want just this one to be dynamically liked:

#  if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_DATE_TIME_DYN_LINK)

      // export if this is our own source, otherwise import:

#     ifdef BOOST_DATE_TIME_SOURCE

#       define BOOST_DATE_TIME_DECL __declspec(dllexport)

#     else

#       define BOOST_DATE_TIME_DECL __declspec(dllimport)

#     endif  // BOOST_DATE_TIME_SOURCE

#  endif  // DYN_LINK

#endif  // BOOST_HAS_DECLSPEC

//

// if BOOST_WHATEVER_DECL isn't defined yet define it now:

#ifndef BOOST_DATE_TIME_DECL

#  define BOOST_DATE_TIME_DECL

#endif

//

// Automatically link to the correct build variant where possible. 

// 

#if !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_DATE_TIME_NO_LIB) && !defined(BOOST_DATE_TIME_SOURCE)

//

// Set the name of our library, this will get undef'ed by auto_link.hpp

// once it's done with it:

//

#define BOOST_LIB_NAME boost_date_time

//

// If we're importing code from a dll, then tell auto_link.hpp about it:

//

#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_DATE_TIME_DYN_LINK)

#  define BOOST_DYN_LINK

#endif

//

// And include the header that does the work:

//

#include <boost/config/auto_link.hpp>

#endif  // auto-linking disabled

#if defined(BOOST_HAS_THREADS) 

#  if defined(_MSC_VER) || defined(__MWERKS__) || defined(__MINGW32__) ||  defined(__BORLANDC__)

     //no reentrant posix functions (eg: localtime_r)

#  elif (!defined(__hpux) || (defined(__hpux) && defined(_REENTRANT)))

#   define BOOST_DATE_TIME_HAS_REENTRANT_STD_FUNCTIONS

#  endif

#endif

#endif