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>
54 namespace 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)
83 namespace 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