1 | // boost/chrono/config.hpp -------------------------------------------------// |
2 | |
3 | // Copyright Beman Dawes 2003, 2006, 2008 |
4 | // Copyright 2009-2011 Vicente J. Botet Escriba |
5 | // Copyright (c) Microsoft Corporation 2014 |
6 | |
7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
9 | |
10 | // See http://www.boost.org/libs/chrono for documentation. |
11 | |
12 | #ifndef BOOST_CHRONO_CONFIG_HPP |
13 | #define BOOST_CHRONO_CONFIG_HPP |
14 | |
15 | #include <boost/config.hpp> |
16 | #include <boost/predef.h> |
17 | |
18 | #if !defined BOOST_CHRONO_VERSION |
19 | #define BOOST_CHRONO_VERSION 1 |
20 | #else |
21 | #if BOOST_CHRONO_VERSION!=1 && BOOST_CHRONO_VERSION!=2 |
22 | #error "BOOST_CHRONO_VERSION must be 1 or 2" |
23 | #endif |
24 | #endif |
25 | |
26 | #if defined(BOOST_CHRONO_SOURCE) && !defined(BOOST_USE_WINDOWS_H) |
27 | #define BOOST_USE_WINDOWS_H |
28 | #endif |
29 | |
30 | #if ! defined BOOST_CHRONO_PROVIDES_DATE_IO_FOR_SYSTEM_CLOCK_TIME_POINT \ |
31 | && ! defined BOOST_CHRONO_DONT_PROVIDE_DATE_IO_FOR_SYSTEM_CLOCK_TIME_POINT |
32 | |
33 | # define BOOST_CHRONO_PROVIDES_DATE_IO_FOR_SYSTEM_CLOCK_TIME_POINT |
34 | |
35 | #endif |
36 | |
37 | // BOOST_CHRONO_POSIX_API, BOOST_CHRONO_MAC_API, or BOOST_CHRONO_WINDOWS_API |
38 | // can be defined by the user to specify which API should be used |
39 | |
40 | #if defined(BOOST_CHRONO_WINDOWS_API) |
41 | # warning Boost.Chrono will use the Windows API |
42 | #elif defined(BOOST_CHRONO_MAC_API) |
43 | # warning Boost.Chrono will use the Mac API |
44 | #elif defined(BOOST_CHRONO_POSIX_API) |
45 | # warning Boost.Chrono will use the POSIX API |
46 | #endif |
47 | |
48 | # if defined( BOOST_CHRONO_WINDOWS_API ) && defined( BOOST_CHRONO_POSIX_API ) |
49 | # error both BOOST_CHRONO_WINDOWS_API and BOOST_CHRONO_POSIX_API are defined |
50 | # elif defined( BOOST_CHRONO_WINDOWS_API ) && defined( BOOST_CHRONO_MAC_API ) |
51 | # error both BOOST_CHRONO_WINDOWS_API and BOOST_CHRONO_MAC_API are defined |
52 | # elif defined( BOOST_CHRONO_MAC_API ) && defined( BOOST_CHRONO_POSIX_API ) |
53 | # error both BOOST_CHRONO_MAC_API and BOOST_CHRONO_POSIX_API are defined |
54 | # elif !defined( BOOST_CHRONO_WINDOWS_API ) && !defined( BOOST_CHRONO_MAC_API ) && !defined( BOOST_CHRONO_POSIX_API ) |
55 | # if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) |
56 | # define BOOST_CHRONO_WINDOWS_API |
57 | # elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__) |
58 | # define BOOST_CHRONO_MAC_API |
59 | # else |
60 | # define BOOST_CHRONO_POSIX_API |
61 | # endif |
62 | # endif |
63 | |
64 | # if defined( BOOST_CHRONO_WINDOWS_API ) |
65 | # ifndef UNDER_CE |
66 | # define BOOST_CHRONO_HAS_PROCESS_CLOCKS |
67 | # endif |
68 | # define BOOST_CHRONO_HAS_CLOCK_STEADY |
69 | # if BOOST_PLAT_WINDOWS_DESKTOP |
70 | # define BOOST_CHRONO_HAS_THREAD_CLOCK |
71 | # endif |
72 | # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true |
73 | # endif |
74 | |
75 | # if defined( BOOST_CHRONO_MAC_API ) |
76 | # define BOOST_CHRONO_HAS_PROCESS_CLOCKS |
77 | # define BOOST_CHRONO_HAS_CLOCK_STEADY |
78 | # define BOOST_CHRONO_HAS_THREAD_CLOCK |
79 | # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true |
80 | # endif |
81 | |
82 | # if defined( BOOST_CHRONO_POSIX_API ) |
83 | # define BOOST_CHRONO_HAS_PROCESS_CLOCKS |
84 | # include <time.h> //to check for CLOCK_REALTIME and CLOCK_MONOTONIC and _POSIX_THREAD_CPUTIME |
85 | # if defined(CLOCK_MONOTONIC) |
86 | # define BOOST_CHRONO_HAS_CLOCK_STEADY |
87 | # endif |
88 | # if defined(_POSIX_THREAD_CPUTIME) && !defined(BOOST_DISABLE_THREADS) |
89 | # define BOOST_CHRONO_HAS_THREAD_CLOCK |
90 | # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true |
91 | # endif |
92 | # if defined(CLOCK_THREAD_CPUTIME_ID) && !defined(BOOST_DISABLE_THREADS) |
93 | # define BOOST_CHRONO_HAS_THREAD_CLOCK |
94 | # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true |
95 | # endif |
96 | # if defined(sun) || defined(__sun) |
97 | # undef BOOST_CHRONO_HAS_THREAD_CLOCK |
98 | # undef BOOST_CHRONO_THREAD_CLOCK_IS_STEADY |
99 | # endif |
100 | # if (defined(__HP_aCC) || defined(__GNUC__)) && defined(__hpux) |
101 | # undef BOOST_CHRONO_HAS_THREAD_CLOCK |
102 | # undef BOOST_CHRONO_THREAD_CLOCK_IS_STEADY |
103 | # endif |
104 | # if defined(__VXWORKS__) |
105 | # undef BOOST_CHRONO_HAS_PROCESS_CLOCKS |
106 | # endif |
107 | # endif |
108 | |
109 | #if defined(BOOST_CHRONO_THREAD_DISABLED) && defined(BOOST_CHRONO_HAS_THREAD_CLOCK) |
110 | #undef BOOST_CHRONO_HAS_THREAD_CLOCK |
111 | #undef BOOST_CHRONO_THREAD_CLOCK_IS_STEADY |
112 | #endif |
113 | |
114 | // unicode support ------------------------------// |
115 | |
116 | #if defined(BOOST_NO_CXX11_UNICODE_LITERALS) || defined(BOOST_NO_CXX11_CHAR16_T) || defined(BOOST_NO_CXX11_CHAR32_T) |
117 | //~ #define BOOST_CHRONO_HAS_UNICODE_SUPPORT |
118 | #else |
119 | #define BOOST_CHRONO_HAS_UNICODE_SUPPORT 1 |
120 | #endif |
121 | |
122 | #ifndef BOOST_CHRONO_LIB_CONSTEXPR |
123 | #if defined( BOOST_NO_CXX11_NUMERIC_LIMITS ) |
124 | #define BOOST_CHRONO_LIB_CONSTEXPR |
125 | #elif defined(_LIBCPP_VERSION) && !defined(_LIBCPP_CONSTEXPR) |
126 | #define BOOST_CHRONO_LIB_CONSTEXPR |
127 | #else |
128 | #define BOOST_CHRONO_LIB_CONSTEXPR BOOST_CONSTEXPR |
129 | #endif |
130 | #endif |
131 | |
132 | #if defined( BOOST_NO_CXX11_NUMERIC_LIMITS ) |
133 | # define BOOST_CHRONO_LIB_NOEXCEPT_OR_THROW throw() |
134 | #else |
135 | #ifdef BOOST_NO_CXX11_NOEXCEPT |
136 | # define BOOST_CHRONO_LIB_NOEXCEPT_OR_THROW throw() |
137 | #else |
138 | # define BOOST_CHRONO_LIB_NOEXCEPT_OR_THROW noexcept |
139 | #endif |
140 | #endif |
141 | |
142 | #if defined BOOST_CHRONO_PROVIDE_HYBRID_ERROR_HANDLING \ |
143 | && defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING |
144 | #error "BOOST_CHRONO_PROVIDE_HYBRID_ERROR_HANDLING && BOOST_CHRONO_PROVIDE_HYBRID_ERROR_HANDLING defined" |
145 | #endif |
146 | |
147 | #if defined BOOST_CHRONO_PROVIDES_DEPRECATED_IO_SINCE_V2_0_0 \ |
148 | && defined BOOST_CHRONO_DONT_PROVIDES_DEPRECATED_IO_SINCE_V2_0_0 |
149 | #error "BOOST_CHRONO_PROVIDES_DEPRECATED_IO_SINCE_V2_0_0 && BOOST_CHRONO_DONT_PROVIDES_DEPRECATED_IO_SINCE_V2_0_0 defined" |
150 | #endif |
151 | |
152 | #if ! defined BOOST_CHRONO_PROVIDE_HYBRID_ERROR_HANDLING \ |
153 | && ! defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING |
154 | #define BOOST_CHRONO_PROVIDE_HYBRID_ERROR_HANDLING |
155 | #endif |
156 | |
157 | #if (BOOST_CHRONO_VERSION == 2) |
158 | #if ! defined BOOST_CHRONO_PROVIDES_DEPRECATED_IO_SINCE_V2_0_0 \ |
159 | && ! defined BOOST_CHRONO_DONT_PROVIDES_DEPRECATED_IO_SINCE_V2_0_0 |
160 | #define BOOST_CHRONO_DONT_PROVIDES_DEPRECATED_IO_SINCE_V2_0_0 |
161 | #endif |
162 | #endif |
163 | |
164 | #ifdef BOOST_CHRONO_HEADER_ONLY |
165 | #define BOOST_CHRONO_INLINE inline |
166 | #define BOOST_CHRONO_STATIC inline |
167 | #define BOOST_CHRONO_DECL |
168 | |
169 | #else |
170 | #define BOOST_CHRONO_INLINE |
171 | #define BOOST_CHRONO_STATIC static |
172 | |
173 | // enable dynamic linking on Windows ---------------------------------------// |
174 | |
175 | // we need to import/export our code only if the user has specifically |
176 | // asked for it by defining either BOOST_ALL_DYN_LINK if they want all boost |
177 | // libraries to be dynamically linked, or BOOST_CHRONO_DYN_LINK |
178 | // if they want just this one to be dynamically liked: |
179 | #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_CHRONO_DYN_LINK) |
180 | // export if this is our own source, otherwise import: |
181 | #ifdef BOOST_CHRONO_SOURCE |
182 | # define BOOST_CHRONO_DECL BOOST_SYMBOL_EXPORT |
183 | #else |
184 | # define BOOST_CHRONO_DECL BOOST_SYMBOL_IMPORT |
185 | #endif // BOOST_CHRONO_SOURCE |
186 | #endif // DYN_LINK |
187 | // |
188 | // if BOOST_CHRONO_DECL isn't defined yet define it now: |
189 | #ifndef BOOST_CHRONO_DECL |
190 | #define BOOST_CHRONO_DECL |
191 | #endif |
192 | |
193 | |
194 | |
195 | // enable automatic library variant selection ------------------------------// |
196 | |
197 | #if !defined(BOOST_CHRONO_SOURCE) && !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_CHRONO_NO_LIB) |
198 | // |
199 | // Set the name of our library; this will get undef'ed by auto_link.hpp |
200 | // once it's done with it: |
201 | // |
202 | #define BOOST_LIB_NAME boost_chrono |
203 | // |
204 | // If we're importing code from a dll, then tell auto_link.hpp about it: |
205 | // |
206 | #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_CHRONO_DYN_LINK) |
207 | # define BOOST_DYN_LINK |
208 | #endif |
209 | // |
210 | // And include the header that does the work: |
211 | // |
212 | #include <boost/config/auto_link.hpp> |
213 | #endif // auto-linking disabled |
214 | #endif // BOOST_CHRONO_HEADER_ONLY |
215 | #endif // BOOST_CHRONO_CONFIG_HPP |
216 | |
217 | |