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 // With boost release 1.33, date_time will be using a different, 16 // more flexible, IO system. This new system is not compatible with 17 // old compilers. The original date_time IO system remains for those 18 // compilers. They must define this macro to use the legacy IO. 19 // (defined(__BORLANDC__) && (__BORLANDC__ <= 0x0581) ) ) && 20 #if( BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT(0x581) ) \ 21 || BOOST_WORKAROUND( __GNUC__, < 3) \ 22 || (BOOST_WORKAROUND( _MSC_VER, <= 1300) ) \ 23 ) \ 24 && !defined(USE_DATE_TIME_PRE_1_33_FACET_IO) 25 # define USE_DATE_TIME_PRE_1_33_FACET_IO 26 #endif 27 28 29 // This file performs some local compiler configurations 30 31 #include <boost/date_time/locale_config.hpp> //set up locale configurations 32 33 //Set up a configuration parameter for platforms that have 34 //GetTimeOfDay 35 #if defined(BOOST_HAS_GETTIMEOFDAY) || defined(BOOST_HAS_FTIME) 36 #define BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK 37 #endif 38 39 // To Force no default constructors for date & ptime, un-comment following 40 //#define DATE_TIME_NO_DEFAULT_CONSTRUCTOR 41 42 // Include extensions to date_duration - comment out to remove this feature 43 #define BOOST_DATE_TIME_OPTIONAL_GREGORIAN_TYPES 44 // these extensions are known to cause problems with gcc295 45 #if defined(__GNUC__) && (__GNUC__ < 3) 46 #undef BOOST_DATE_TIME_OPTIONAL_GREGORIAN_TYPES 47 #endif 48 49 #if (defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION) || BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT(0x581) ) ) 50 #define BOOST_DATE_TIME_NO_MEMBER_INIT 51 #endif 52 53 // include these types before we try to re-define them 54 #include <boost/cstdint.hpp> 55 56 //Define INT64_C for compilers that don't have it 57 #if (!defined(INT64_C)) 58 #define INT64_C(value) int64_t(value) 59 #endif 60 61 62 /* Workaround for Borland iterator error. Error was "Cannot convert 'istream *' to 'wistream *' in function istream_iterator<>::istream_iterator() */ 63 #if defined(__BORLANDC__) && defined(BOOST_BCB_WITH_RW_LIB) 64 #define BOOST_DATE_TIME_NO_WISTREAM_ITERATOR 65 #endif 66 67 68 // Borland v5.64 does not have the following in std namespace; v5.5.1 does 69 #if defined(__BORLANDC__) && defined(BOOST_BCB_WITH_STLPORT) 70 #include <locale> 71 namespace std { 72 using stlport::tolower; 73 using stlport::ctype; 74 using stlport::use_facet; 75 } 76 #endif 77 78 // workaround for errors associated with output for date classes 79 // modifications and input streaming for time classes. 80 // Compilers affected are: 81 // gcc295, msvc (neither with STLPort), any borland 82 // 83 #if (((defined(__GNUC__) && (__GNUC__ < 3)) || \ 84 (defined(_MSC_VER) && (_MSC_VER < 1300)) ) && \ 85 !defined(_STLP_OWN_IOSTREAMS) ) || \ 86 BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT(0x581) ) 87 #define BOOST_DATE_TIME_INCLUDE_LIMITED_HEADERS 88 #endif 89 90 // The macro marks up places where compiler complains for missing return statement or 91 // uninitialized variables after calling to boost::throw_exception. 92 // BOOST_UNREACHABLE_RETURN doesn't work since even compilers that support 93 // unreachable statements detection emit such warnings. 94 #if defined(_MSC_VER) 95 // Use special MSVC extension to markup unreachable code 96 # define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) __assume(false) 97 #elif !defined(BOOST_NO_UNREACHABLE_RETURN_DETECTION) 98 // Call to a non-returning function should suppress the warning 99 # if defined(BOOST_NO_STDC_NAMESPACE) 100 namespace std { 101 using ::abort; 102 } 103 # endif // defined(BOOST_NO_STDC_NAMESPACE) 104 # define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) std::abort() 105 #else 106 // For other poor compilers the specified expression is compiled. Usually, this would be a return statement. 107 # define BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(x) x 108 #endif 109 110 /* The following handles the definition of the necessary macros 111 * for dll building on Win32 platforms. 112 * 113 * For code that will be placed in the date_time .dll, 114 * it must be properly prefixed with BOOST_DATE_TIME_DECL. 115 * The corresponding .cpp file must have BOOST_DATE_TIME_SOURCE 116 * defined before including its header. For examples see: 117 * greg_month.hpp & greg_month.cpp 118 * 119 */ 120 121 // we need to import/export our code only if the user has specifically 122 // asked for it by defining either BOOST_ALL_DYN_LINK if they want all boost 123 // libraries to be dynamically linked, or BOOST_DATE_TIME_DYN_LINK 124 // if they want just this one to be dynamically liked: 125 #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_DATE_TIME_DYN_LINK) 126 // export if this is our own source, otherwise import: 127 # ifdef BOOST_DATE_TIME_SOURCE 128 # define BOOST_DATE_TIME_DECL BOOST_SYMBOL_EXPORT 129 # else 130 # define BOOST_DATE_TIME_DECL BOOST_SYMBOL_IMPORT 131 # endif // BOOST_DATE_TIME_SOURCE 132 #endif // DYN_LINK 133 // 134 // if BOOST_WHATEVER_DECL isn't defined yet define it now: 135 #ifndef BOOST_DATE_TIME_DECL 136 # define BOOST_DATE_TIME_DECL 137 #endif 138 139 // 140 // Automatically link to the correct build variant where possible. 141 // 142 #if !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_DATE_TIME_NO_LIB) && !defined(BOOST_DATE_TIME_SOURCE) 143 // 144 // Set the name of our library, this will get undef'ed by auto_link.hpp 145 // once it's done with it: 146 // 147 #define BOOST_LIB_NAME boost_date_time 148 // 149 // If we're importing code from a dll, then tell auto_link.hpp about it: 150 // 151 #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_DATE_TIME_DYN_LINK) 152 # define BOOST_DYN_LINK 153 #endif 154 // 155 // And include the header that does the work: 156 // 157 #include <boost/config/auto_link.hpp> 158 #endif // auto-linking disabled 159 160 #if defined(BOOST_HAS_THREADS) 161 # if defined(_MSC_VER) || defined(__MWERKS__) || defined(__MINGW32__) || defined(__BORLANDC__) 162 //no reentrant posix functions (eg: localtime_r) 163 # elif (!defined(__hpux) || (defined(__hpux) && defined(_REENTRANT))) 164 # define BOOST_DATE_TIME_HAS_REENTRANT_STD_FUNCTIONS 165 # endif 166 #endif 167 168 #if defined(BOOST_NO_CXX11_NULLPTR) 169 # define BOOST_DATE_TIME_NULLPTR 0 170 #else 171 # define BOOST_DATE_TIME_NULLPTR nullptr 172 #endif 173 174 #endif 175