1 | // (C) Copyright John Maddock 2001. |
2 | // (C) Copyright Jens Maurer 2001. |
3 | // Use, modification and distribution are subject to the |
4 | // Boost Software License, Version 1.0. (See accompanying file |
5 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
6 | |
7 | // See http://www.boost.org for most recent version. |
8 | |
9 | // config for libstdc++ v3 |
10 | // not much to go in here: |
11 | |
12 | #define BOOST_GNU_STDLIB 1 |
13 | |
14 | #ifdef __GLIBCXX__ |
15 | #define BOOST_STDLIB "GNU libstdc++ version " BOOST_STRINGIZE(__GLIBCXX__) |
16 | #else |
17 | #define BOOST_STDLIB "GNU libstdc++ version " BOOST_STRINGIZE(__GLIBCPP__) |
18 | #endif |
19 | |
20 | #if !defined(_GLIBCPP_USE_WCHAR_T) && !defined(_GLIBCXX_USE_WCHAR_T) |
21 | # define BOOST_NO_CWCHAR |
22 | # define BOOST_NO_CWCTYPE |
23 | # define BOOST_NO_STD_WSTRING |
24 | # define BOOST_NO_STD_WSTREAMBUF |
25 | #endif |
26 | |
27 | #if defined(__osf__) && !defined(_REENTRANT) \ |
28 | && ( defined(_GLIBCXX_HAVE_GTHR_DEFAULT) || defined(_GLIBCPP_HAVE_GTHR_DEFAULT) ) |
29 | // GCC 3 on Tru64 forces the definition of _REENTRANT when any std lib header |
30 | // file is included, therefore for consistency we define it here as well. |
31 | # define _REENTRANT |
32 | #endif |
33 | |
34 | #ifdef __GLIBCXX__ // gcc 3.4 and greater: |
35 | # if defined(_GLIBCXX_HAVE_GTHR_DEFAULT) \ |
36 | || defined(_GLIBCXX__PTHREADS) \ |
37 | || defined(_GLIBCXX_HAS_GTHREADS) \ |
38 | || defined(_WIN32) \ |
39 | || defined(_AIX) \ |
40 | || defined(__HAIKU__) |
41 | // |
42 | // If the std lib has thread support turned on, then turn it on in Boost |
43 | // as well. We do this because some gcc-3.4 std lib headers define _REENTANT |
44 | // while others do not... |
45 | // |
46 | # define BOOST_HAS_THREADS |
47 | # else |
48 | # define BOOST_DISABLE_THREADS |
49 | # endif |
50 | #elif defined(__GLIBCPP__) \ |
51 | && !defined(_GLIBCPP_HAVE_GTHR_DEFAULT) \ |
52 | && !defined(_GLIBCPP__PTHREADS) |
53 | // disable thread support if the std lib was built single threaded: |
54 | # define BOOST_DISABLE_THREADS |
55 | #endif |
56 | |
57 | #if (defined(linux) || defined(__linux) || defined(__linux__)) && defined(__arm__) && defined(_GLIBCPP_HAVE_GTHR_DEFAULT) |
58 | // linux on arm apparently doesn't define _REENTRANT |
59 | // so just turn on threading support whenever the std lib is thread safe: |
60 | # define BOOST_HAS_THREADS |
61 | #endif |
62 | |
63 | #if !defined(_GLIBCPP_USE_LONG_LONG) \ |
64 | && !defined(_GLIBCXX_USE_LONG_LONG)\ |
65 | && defined(BOOST_HAS_LONG_LONG) |
66 | // May have been set by compiler/*.hpp, but "long long" without library |
67 | // support is useless. |
68 | # undef BOOST_HAS_LONG_LONG |
69 | #endif |
70 | |
71 | // Apple doesn't seem to reliably defined a *unix* macro |
72 | #if !defined(CYGWIN) && ( defined(__unix__) \ |
73 | || defined(__unix) \ |
74 | || defined(unix) \ |
75 | || defined(__APPLE__) \ |
76 | || defined(__APPLE) \ |
77 | || defined(APPLE)) |
78 | # include <unistd.h> |
79 | #endif |
80 | |
81 | #ifndef __VXWORKS__ // VxWorks uses Dinkum, not GNU STL with GCC |
82 | #if defined(__GLIBCXX__) || (defined(__GLIBCPP__) && __GLIBCPP__>=20020514) // GCC >= 3.1.0 |
83 | # define BOOST_STD_EXTENSION_NAMESPACE __gnu_cxx |
84 | # define BOOST_HAS_SLIST |
85 | # define BOOST_HAS_HASH |
86 | # define <ext/slist> |
87 | # if !defined(__GNUC__) || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3) |
88 | # define <ext/hash_set> |
89 | # define <ext/hash_map> |
90 | # else |
91 | # define BOOST_HASH_SET_HEADER <backward/hash_set> |
92 | # define BOOST_HASH_MAP_HEADER <backward/hash_map> |
93 | # endif |
94 | #endif |
95 | #endif |
96 | |
97 | // |
98 | // Decide whether we have C++11 support turned on: |
99 | // |
100 | #if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103) |
101 | # define BOOST_LIBSTDCXX11 |
102 | #endif |
103 | |
104 | // |
105 | // Decide which version of libstdc++ we have, normally |
106 | // libstdc++ C++0x support is detected via __GNUC__, __GNUC_MINOR__, and possibly |
107 | // __GNUC_PATCHLEVEL__ at the suggestion of Jonathan Wakely, one of the libstdc++ |
108 | // developers. He also commented: |
109 | // |
110 | // "I'm not sure how useful __GLIBCXX__ is for your purposes, for instance in |
111 | // GCC 4.2.4 it is set to 20080519 but in GCC 4.3.0 it is set to 20080305. |
112 | // Although 4.3.0 was released earlier than 4.2.4, it has better C++0x support |
113 | // than any release in the 4.2 series." |
114 | // |
115 | // Another resource for understanding libstdc++ features is: |
116 | // http://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#manual.intro.status.standard.200x |
117 | // |
118 | // However, using the GCC version number fails when the compiler is clang since this |
119 | // only ever claims to emulate GCC-4.2, see https://svn.boost.org/trac/boost/ticket/7473 |
120 | // for a long discussion on this issue. What we can do though is use clang's __has_include |
121 | // to detect the presence of a C++11 header that was introduced with a specific GCC release. |
122 | // We still have to be careful though as many such headers were buggy and/or incomplete when |
123 | // first introduced, so we only check for headers that were fully featured from day 1, and then |
124 | // use that to infer the underlying GCC version: |
125 | // |
126 | #ifdef __clang__ |
127 | |
128 | #if __has_include(<memory_resource>) |
129 | # define BOOST_LIBSTDCXX_VERSION 90100 |
130 | #elif __has_include(<charconv>) |
131 | # define BOOST_LIBSTDCXX_VERSION 80100 |
132 | #elif __has_include(<variant>) |
133 | # define BOOST_LIBSTDCXX_VERSION 70100 |
134 | #elif __has_include(<experimental/memory_resource>) |
135 | # define BOOST_LIBSTDCXX_VERSION 60100 |
136 | #elif __has_include(<experimental/any>) |
137 | # define BOOST_LIBSTDCXX_VERSION 50100 |
138 | #elif __has_include(<shared_mutex>) |
139 | # define BOOST_LIBSTDCXX_VERSION 40900 |
140 | #elif __has_include(<ext/cmath>) |
141 | # define BOOST_LIBSTDCXX_VERSION 40800 |
142 | #elif __has_include(<scoped_allocator>) |
143 | # define BOOST_LIBSTDCXX_VERSION 40700 |
144 | #elif __has_include(<typeindex>) |
145 | # define BOOST_LIBSTDCXX_VERSION 40600 |
146 | #elif __has_include(<future>) |
147 | # define BOOST_LIBSTDCXX_VERSION 40500 |
148 | #elif __has_include(<ratio>) |
149 | # define BOOST_LIBSTDCXX_VERSION 40400 |
150 | #elif __has_include(<array>) |
151 | # define BOOST_LIBSTDCXX_VERSION 40300 |
152 | #endif |
153 | |
154 | #if (BOOST_LIBSTDCXX_VERSION < 50100) |
155 | // libstdc++ does not define this function as it's deprecated in C++11, but clang still looks for it, |
156 | // defining it here is a terrible cludge, but should get things working: |
157 | extern "C" char *gets (char *__s); |
158 | #endif |
159 | // |
160 | // clang is unable to parse some GCC headers, add those workarounds here: |
161 | // |
162 | #if BOOST_LIBSTDCXX_VERSION < 50000 |
163 | # define BOOST_NO_CXX11_HDR_REGEX |
164 | #endif |
165 | // |
166 | // GCC 4.7.x has no __cxa_thread_atexit which |
167 | // thread_local objects require for cleanup: |
168 | // |
169 | #if BOOST_LIBSTDCXX_VERSION < 40800 |
170 | # define BOOST_NO_CXX11_THREAD_LOCAL |
171 | #endif |
172 | // |
173 | // Early clang versions can handle <chrono>, not exactly sure which versions |
174 | // but certainly up to clang-3.8 and gcc-4.6: |
175 | // |
176 | #if (__clang_major__ < 5) |
177 | # if BOOST_LIBSTDCXX_VERSION < 40800 |
178 | # define BOOST_NO_CXX11_HDR_FUTURE |
179 | # define BOOST_NO_CXX11_HDR_MUTEX |
180 | # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE |
181 | # define BOOST_NO_CXX11_HDR_CHRONO |
182 | # endif |
183 | #endif |
184 | |
185 | // |
186 | // GCC 4.8 and 9 add working versions of <atomic> and <regex> respectively. |
187 | // However, we have no test for these as the headers were present but broken |
188 | // in early GCC versions. |
189 | // |
190 | #endif |
191 | |
192 | #if defined(__SUNPRO_CC) && (__SUNPRO_CC >= 0x5130) && (__cplusplus >= 201103L) |
193 | // |
194 | // Oracle Solaris compiler uses it's own verison of libstdc++ but doesn't |
195 | // set __GNUC__ |
196 | // |
197 | #if __SUNPRO_CC >= 0x5140 |
198 | #define BOOST_LIBSTDCXX_VERSION 50100 |
199 | #else |
200 | #define BOOST_LIBSTDCXX_VERSION 40800 |
201 | #endif |
202 | #endif |
203 | |
204 | #if !defined(BOOST_LIBSTDCXX_VERSION) |
205 | # define BOOST_LIBSTDCXX_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) |
206 | #endif |
207 | |
208 | // std::auto_ptr isn't provided with _GLIBCXX_DEPRECATED=0 (GCC 4.5 and earlier) |
209 | // or _GLIBCXX_USE_DEPRECATED=0 (GCC 4.6 and later). |
210 | #if defined(BOOST_LIBSTDCXX11) |
211 | # if BOOST_LIBSTDCXX_VERSION < 40600 |
212 | # if !_GLIBCXX_DEPRECATED |
213 | # define BOOST_NO_AUTO_PTR |
214 | # endif |
215 | # elif !_GLIBCXX_USE_DEPRECATED |
216 | # define BOOST_NO_AUTO_PTR |
217 | # endif |
218 | #endif |
219 | |
220 | // C++0x headers in GCC 4.3.0 and later |
221 | // |
222 | #if (BOOST_LIBSTDCXX_VERSION < 40300) || !defined(BOOST_LIBSTDCXX11) |
223 | # define BOOST_NO_CXX11_HDR_ARRAY |
224 | # define BOOST_NO_CXX11_HDR_TUPLE |
225 | # define BOOST_NO_CXX11_HDR_UNORDERED_MAP |
226 | # define BOOST_NO_CXX11_HDR_UNORDERED_SET |
227 | # define BOOST_NO_CXX11_HDR_FUNCTIONAL |
228 | #endif |
229 | |
230 | // C++0x headers in GCC 4.4.0 and later |
231 | // |
232 | #if (BOOST_LIBSTDCXX_VERSION < 40400) || !defined(BOOST_LIBSTDCXX11) |
233 | # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE |
234 | # define BOOST_NO_CXX11_HDR_FORWARD_LIST |
235 | # define BOOST_NO_CXX11_HDR_INITIALIZER_LIST |
236 | # define BOOST_NO_CXX11_HDR_MUTEX |
237 | # define BOOST_NO_CXX11_HDR_RATIO |
238 | # define BOOST_NO_CXX11_HDR_SYSTEM_ERROR |
239 | # define BOOST_NO_CXX11_SMART_PTR |
240 | # define BOOST_NO_CXX11_HDR_EXCEPTION |
241 | #else |
242 | # define BOOST_HAS_TR1_COMPLEX_INVERSE_TRIG |
243 | # define BOOST_HAS_TR1_COMPLEX_OVERLOADS |
244 | #endif |
245 | |
246 | // C++0x features in GCC 4.5.0 and later |
247 | // |
248 | #if (BOOST_LIBSTDCXX_VERSION < 40500) || !defined(BOOST_LIBSTDCXX11) |
249 | # define BOOST_NO_CXX11_NUMERIC_LIMITS |
250 | # define BOOST_NO_CXX11_HDR_FUTURE |
251 | # define BOOST_NO_CXX11_HDR_RANDOM |
252 | #endif |
253 | |
254 | // C++0x features in GCC 4.6.0 and later |
255 | // |
256 | #if (BOOST_LIBSTDCXX_VERSION < 40600) || !defined(BOOST_LIBSTDCXX11) |
257 | # define BOOST_NO_CXX11_HDR_TYPEINDEX |
258 | # define BOOST_NO_CXX11_ADDRESSOF |
259 | # define BOOST_NO_CXX17_ITERATOR_TRAITS |
260 | #endif |
261 | |
262 | // C++0x features in GCC 4.7.0 and later |
263 | // |
264 | #if (BOOST_LIBSTDCXX_VERSION < 40700) || !defined(BOOST_LIBSTDCXX11) |
265 | // Note that although <chrono> existed prior to 4.7, "steady_clock" is spelled "monotonic_clock" |
266 | // so 4.7.0 is the first truly conforming one. |
267 | # define BOOST_NO_CXX11_HDR_CHRONO |
268 | # define BOOST_NO_CXX11_ALLOCATOR |
269 | # define BOOST_NO_CXX11_POINTER_TRAITS |
270 | #endif |
271 | // C++0x features in GCC 4.8.0 and later |
272 | // |
273 | #if (BOOST_LIBSTDCXX_VERSION < 40800) || !defined(BOOST_LIBSTDCXX11) |
274 | // Note that although <atomic> existed prior to gcc 4.8 it was largely unimplemented for many types: |
275 | # define BOOST_NO_CXX11_HDR_ATOMIC |
276 | # define BOOST_NO_CXX11_HDR_THREAD |
277 | #endif |
278 | // C++0x features in GCC 4.9.0 and later |
279 | // |
280 | #if (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11) |
281 | // Although <regex> is present and compilable against, the actual implementation is not functional |
282 | // even for the simplest patterns such as "\d" or "[0-9]". This is the case at least in gcc up to 4.8, inclusively. |
283 | # define BOOST_NO_CXX11_HDR_REGEX |
284 | #endif |
285 | #if (BOOST_LIBSTDCXX_VERSION < 40900) || (__cplusplus <= 201103) |
286 | # define BOOST_NO_CXX14_STD_EXCHANGE |
287 | #endif |
288 | |
289 | #if defined(__clang_major__) && ((__clang_major__ < 3) || ((__clang_major__ == 3) && (__clang_minor__ < 7))) |
290 | // As of clang-3.6, libstdc++ header <atomic> throws up errors with clang: |
291 | # define BOOST_NO_CXX11_HDR_ATOMIC |
292 | #endif |
293 | // |
294 | // C++0x features in GCC 5.1 and later |
295 | // |
296 | #if (BOOST_LIBSTDCXX_VERSION < 50100) || !defined(BOOST_LIBSTDCXX11) |
297 | # define BOOST_NO_CXX11_HDR_TYPE_TRAITS |
298 | # define BOOST_NO_CXX11_HDR_CODECVT |
299 | # define BOOST_NO_CXX11_ATOMIC_SMART_PTR |
300 | # define BOOST_NO_CXX11_STD_ALIGN |
301 | #endif |
302 | |
303 | // |
304 | // C++17 features in GCC 7.1 and later |
305 | // |
306 | #if (BOOST_LIBSTDCXX_VERSION < 70100) || (__cplusplus <= 201402L) |
307 | # define BOOST_NO_CXX17_STD_INVOKE |
308 | # define BOOST_NO_CXX17_STD_APPLY |
309 | # define BOOST_NO_CXX17_HDR_OPTIONAL |
310 | # define BOOST_NO_CXX17_HDR_STRING_VIEW |
311 | # define BOOST_NO_CXX17_HDR_VARIANT |
312 | #endif |
313 | |
314 | #if defined(__has_include) |
315 | #if !__has_include(<shared_mutex>) |
316 | # define BOOST_NO_CXX14_HDR_SHARED_MUTEX |
317 | #elif __cplusplus <= 201103 |
318 | # define BOOST_NO_CXX14_HDR_SHARED_MUTEX |
319 | #endif |
320 | #elif __cplusplus < 201402 || (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11) |
321 | # define BOOST_NO_CXX14_HDR_SHARED_MUTEX |
322 | #endif |
323 | |
324 | // |
325 | // Headers not present on Solaris with the Oracle compiler: |
326 | #if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5140) |
327 | #define BOOST_NO_CXX11_HDR_FUTURE |
328 | #define BOOST_NO_CXX11_HDR_FORWARD_LIST |
329 | #define BOOST_NO_CXX11_HDR_ATOMIC |
330 | // shared_ptr is present, but is not convertible to bool |
331 | // which causes all kinds of problems especially in Boost.Thread |
332 | // but probably elsewhere as well. |
333 | #define BOOST_NO_CXX11_SMART_PTR |
334 | #endif |
335 | |
336 | #if (!defined(_GLIBCXX_HAS_GTHREADS) || !defined(_GLIBCXX_USE_C99_STDINT_TR1)) |
337 | // Headers not always available: |
338 | # ifndef BOOST_NO_CXX11_HDR_CONDITION_VARIABLE |
339 | # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE |
340 | # endif |
341 | # ifndef BOOST_NO_CXX11_HDR_MUTEX |
342 | # define BOOST_NO_CXX11_HDR_MUTEX |
343 | # endif |
344 | # ifndef BOOST_NO_CXX11_HDR_THREAD |
345 | # define BOOST_NO_CXX11_HDR_THREAD |
346 | # endif |
347 | # ifndef BOOST_NO_CXX14_HDR_SHARED_MUTEX |
348 | # define BOOST_NO_CXX14_HDR_SHARED_MUTEX |
349 | # endif |
350 | #endif |
351 | |
352 | #if (!defined(_GTHREAD_USE_MUTEX_TIMEDLOCK) || (_GTHREAD_USE_MUTEX_TIMEDLOCK == 0)) && !defined(BOOST_NO_CXX11_HDR_MUTEX) |
353 | // Timed mutexes are not always available: |
354 | # define BOOST_NO_CXX11_HDR_MUTEX |
355 | #endif |
356 | |
357 | // --- end --- |
358 | |