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 // these extensions are known to cause problems with gcc295
32 #if defined(__GNUC__) && (__GNUC__ < 3)
33 #undef BOOST_DATE_TIME_OPTIONAL_GREGORIAN_TYPES
34 #endif
35 
36 #if (defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION) || BOOST_WORKAROUND( BOOST_BORLANDC,  BOOST_TESTED_AT(0x581) ) )
37 #define BOOST_DATE_TIME_NO_MEMBER_INIT
38 #endif
39 
40 // include these types before we try to re-define them
41 #include <boost/cstdint.hpp>
42 
43 //Define INT64_C for compilers that don't have it
44 #if (!defined(INT64_C))
45 #define INT64_C(value)  int64_t(value)
46 #endif
47 
48 
49 /* Workaround for Borland iterator error. Error was "Cannot convert 'istream *' to 'wistream *' in function istream_iterator<>::istream_iterator() */
50 #if defined(BOOST_BORLANDC) && defined(BOOST_BCB_WITH_RW_LIB)
51 #define BOOST_DATE_TIME_NO_WISTREAM_ITERATOR
52 #endif
53 
54 
55 // Borland v5.64 does not have the following in std namespace; v5.5.1 does
56 #if defined(BOOST_BORLANDC) && defined(BOOST_BCB_WITH_STLPORT)
57 #include <locale>
58 namespace std {
59   using stlport::tolower;
60   using stlport::ctype;
61   using stlport::use_facet;
62 }
63 #endif
64 
65 // workaround for errors associated with output for date classes
66 // modifications and input streaming for time classes.
67 // Compilers affected are:
68 // gcc295, msvc (neither with STLPort), any borland
69 //
70 #if (((defined(__GNUC__) && (__GNUC__ < 3)) || \
71       (defined(_MSC_VER) && (_MSC_VER < 1300)) ) && \
72       !defined(_STLP_OWN_IOSTREAMS) ) || \
73       BOOST_WORKAROUND( BOOST_BORLANDC, BOOST_TESTED_AT(0x581) )
74 #define BOOST_DATE_TIME_INCLUDE_LIMITED_HEADERS
75 #endif
76 
77 // The macro marks up places where compiler complains for missing return statement or
78 // uninitialized variables after calling to boost::throw_exception.
79 // BOOST_UNREACHABLE_RETURN doesn't work since even compilers that support
80 // unreachable statements detection emit such warnings.
81 #if defined(_MSC_VER)
82 // Use special MSVC extension to markup unreachable code
83 #  define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) __assume(false)
84 #elif !defined(BOOST_NO_UNREACHABLE_RETURN_DETECTION)
85 // Call to a non-returning function should suppress the warning
86 #  if defined(BOOST_NO_STDC_NAMESPACE)
87 namespace std {
88     using ::abort;
89 }
90 #  endif // defined(BOOST_NO_STDC_NAMESPACE)
91 #  define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) std::abort()
92 #else
93 // For other poor compilers the specified expression is compiled. Usually, this would be a return statement.
94 #  define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) x
95 #endif
96 
97 /* The following handles the definition of the necessary macros
98  * for dll building on Win32 platforms.
99  *
100  * For code that will be placed in the date_time .dll,
101  * it must be properly prefixed with BOOST_DATE_TIME_DECL.
102  * The corresponding .cpp file must have BOOST_DATE_TIME_SOURCE
103  * defined before including its header. For examples see:
104  * greg_month.hpp & greg_month.cpp
105  *
106  */
107 
108 // we need to import/export our code only if the user has specifically
109 // asked for it by defining either BOOST_ALL_DYN_LINK if they want all boost
110 // libraries to be dynamically linked, or BOOST_DATE_TIME_DYN_LINK
111 // if they want just this one to be dynamically liked:
112 #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_DATE_TIME_DYN_LINK)
113     // export if this is our own source, otherwise import:
114 #   ifdef BOOST_DATE_TIME_SOURCE
115 #     define BOOST_DATE_TIME_DECL BOOST_SYMBOL_EXPORT
116 #   else
117 #     define BOOST_DATE_TIME_DECL BOOST_SYMBOL_IMPORT
118 #   endif  // BOOST_DATE_TIME_SOURCE
119 #endif  // DYN_LINK
120 //
121 // if BOOST_WHATEVER_DECL isn't defined yet define it now:
122 #ifndef BOOST_DATE_TIME_DECL
123 #  define BOOST_DATE_TIME_DECL
124 #endif
125 
126 //
127 // Automatically link to the correct build variant where possible.
128 //
129 #if !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_DATE_TIME_NO_LIB) && !defined(BOOST_DATE_TIME_SOURCE)
130 //
131 // Set the name of our library, this will get undef'ed by auto_link.hpp
132 // once it's done with it:
133 //
134 #define BOOST_LIB_NAME boost_date_time
135 //
136 // If we're importing code from a dll, then tell auto_link.hpp about it:
137 //
138 #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_DATE_TIME_DYN_LINK)
139 #  define BOOST_DYN_LINK
140 #endif
141 //
142 // And include the header that does the work:
143 //
144 #include <boost/config/auto_link.hpp>
145 #endif  // auto-linking disabled
146 
147 #if defined(BOOST_HAS_THREADS)
148 #  if defined(_MSC_VER) || defined(__MWERKS__) || defined(__MINGW32__) ||  defined(__BORLANDC__)
149      //no reentrant posix functions (eg: localtime_r)
150 #  elif (!defined(__hpux) || (defined(__hpux) && defined(_REENTRANT)))
151 #   define BOOST_DATE_TIME_HAS_REENTRANT_STD_FUNCTIONS
152 #  endif
153 #endif
154 
155 #if defined(BOOST_NO_CXX11_NULLPTR)
156 #  define BOOST_DATE_TIME_NULLPTR 0
157 #else
158 #  define BOOST_DATE_TIME_NULLPTR nullptr
159 #endif
160 
161 #endif
162