1#ifndef DATE_TIME_COMPILER_CONFIG_HPP___
2#define DATE_TIME_COMPILER_CONFIG_HPP___
3
4/* Copyright (c) 2002-2004 CrystalClear Software, Inc.
5 * Subject to the Boost Software License, Version 1.0. (See accompanying
6 * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
7 * Author: Jeff Garland, Bart Garst
8 * $Date$
9 */
10
11#include <cstdlib>
12#include <boost/config.hpp>
13#include <boost/detail/workaround.hpp>
14
15
16// This file performs some local compiler configurations
17
18#include <boost/date_time/locale_config.hpp> //set up locale configurations
19
20//Set up a configuration parameter for platforms that have
21//GetTimeOfDay
22#if defined(BOOST_HAS_GETTIMEOFDAY) || defined(BOOST_HAS_FTIME)
23#define BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK
24#endif
25
26// To Force no default constructors for date & ptime, un-comment following
27//#define DATE_TIME_NO_DEFAULT_CONSTRUCTOR
28
29// Include extensions to date_duration - comment out to remove this feature
30#define BOOST_DATE_TIME_OPTIONAL_GREGORIAN_TYPES
31
32#if (defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION) || BOOST_WORKAROUND( BOOST_BORLANDC, BOOST_TESTED_AT(0x581) ) )
33#define BOOST_DATE_TIME_NO_MEMBER_INIT
34#endif
35
36// include these types before we try to re-define them
37#include <boost/cstdint.hpp>
38
39//Define INT64_C for compilers that don't have it
40#if (!defined(INT64_C))
41#define INT64_C(value) int64_t(value)
42#endif
43
44
45/* Workaround for Borland iterator error. Error was "Cannot convert 'istream *' to 'wistream *' in function istream_iterator<>::istream_iterator() */
46#if defined(BOOST_BORLANDC) && defined(BOOST_BCB_WITH_RW_LIB)
47#define BOOST_DATE_TIME_NO_WISTREAM_ITERATOR
48#endif
49
50
51// Borland v5.64 does not have the following in std namespace; v5.5.1 does
52#if defined(BOOST_BORLANDC) && defined(BOOST_BCB_WITH_STLPORT)
53#include <locale>
54namespace std {
55 using stlport::tolower;
56 using stlport::ctype;
57 using stlport::use_facet;
58}
59#endif
60
61// workaround for errors associated with output for date classes
62// modifications and input streaming for time classes.
63// Compilers affected are:
64// gcc295, msvc (neither with STLPort), any borland
65//
66#if (((defined(__GNUC__) && (__GNUC__ < 3)) || \
67 (defined(_MSC_VER) && (_MSC_VER < 1300)) ) && \
68 !defined(_STLP_OWN_IOSTREAMS) ) || \
69 BOOST_WORKAROUND( BOOST_BORLANDC, BOOST_TESTED_AT(0x581) )
70#define BOOST_DATE_TIME_INCLUDE_LIMITED_HEADERS
71#endif
72
73// The macro marks up places where compiler complains for missing return statement or
74// uninitialized variables after calling to boost::throw_exception.
75// BOOST_UNREACHABLE_RETURN doesn't work since even compilers that support
76// unreachable statements detection emit such warnings.
77#if defined(_MSC_VER)
78// Use special MSVC extension to markup unreachable code
79# define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) __assume(false)
80#elif !defined(BOOST_NO_UNREACHABLE_RETURN_DETECTION)
81// Call to a non-returning function should suppress the warning
82# if defined(BOOST_NO_STDC_NAMESPACE)
83namespace std {
84 using ::abort;
85}
86# endif // defined(BOOST_NO_STDC_NAMESPACE)
87# define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) std::abort()
88#else
89// For other poor compilers the specified expression is compiled. Usually, this would be a return statement.
90# define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) x
91#endif
92
93/* The following handles the definition of the necessary macros
94 * for dll building on Win32 platforms.
95 *
96 * For code that will be placed in the date_time .dll,
97 * it must be properly prefixed with BOOST_DATE_TIME_DECL.
98 * The corresponding .cpp file must have BOOST_DATE_TIME_SOURCE
99 * defined before including its header. For examples see:
100 * greg_month.hpp & greg_month.cpp
101 *
102 */
103
104// we need to import/export our code only if the user has specifically
105// asked for it by defining either BOOST_ALL_DYN_LINK if they want all boost
106// libraries to be dynamically linked, or BOOST_DATE_TIME_DYN_LINK
107// if they want just this one to be dynamically liked:
108#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_DATE_TIME_DYN_LINK)
109 // export if this is our own source, otherwise import:
110# ifdef BOOST_DATE_TIME_SOURCE
111# define BOOST_DATE_TIME_DECL BOOST_SYMBOL_EXPORT
112# else
113# define BOOST_DATE_TIME_DECL BOOST_SYMBOL_IMPORT
114# endif // BOOST_DATE_TIME_SOURCE
115#endif // DYN_LINK
116//
117// if BOOST_WHATEVER_DECL isn't defined yet define it now:
118#ifndef BOOST_DATE_TIME_DECL
119# define BOOST_DATE_TIME_DECL
120#endif
121
122
123#if defined(BOOST_HAS_THREADS)
124# if defined(_MSC_VER) || defined(__MWERKS__) || defined(__MINGW32__) || defined(__BORLANDC__)
125 //no reentrant posix functions (eg: localtime_r)
126# elif (!defined(__hpux) || (defined(__hpux) && defined(_REENTRANT)))
127# define BOOST_DATE_TIME_HAS_REENTRANT_STD_FUNCTIONS
128# endif
129#endif
130
131#if defined(BOOST_NO_CXX11_NULLPTR)
132# define BOOST_DATE_TIME_NULLPTR 0
133#else
134# define BOOST_DATE_TIME_NULLPTR nullptr
135#endif
136
137#endif
138

source code of include/boost/date_time/compiler_config.hpp