File: gcc.hpp

package info (click to toggle)
boost1.62 1.62.0+dfsg-10
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 687,152 kB
  • sloc: cpp: 2,613,639; xml: 972,558; ansic: 53,674; python: 32,448; sh: 9,305; asm: 3,071; cs: 2,121; makefile: 967; perl: 859; yacc: 472; php: 132; ruby: 94; f90: 55; sql: 13; csh: 6
file content (328 lines) | stat: -rw-r--r-- 10,458 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
//  (C) Copyright John Maddock 2001 - 2003.
//  (C) Copyright Darin Adler 2001 - 2002.
//  (C) Copyright Jens Maurer 2001 - 2002.
//  (C) Copyright Beman Dawes 2001 - 2003.
//  (C) Copyright Douglas Gregor 2002.
//  (C) Copyright David Abrahams 2002 - 2003.
//  (C) Copyright Synge Todo 2003.
//  Use, modification and distribution are subject to the
//  Boost Software License, Version 1.0. (See accompanying file
//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org for most recent version.

//  GNU C++ compiler setup.

//
// Define BOOST_GCC so we know this is "real" GCC and not some pretender:
//
#define BOOST_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#if !defined(__CUDACC__)
#define BOOST_GCC BOOST_GCC_VERSION
#endif

#if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103L)
#  define BOOST_GCC_CXX11
#endif

#if __GNUC__ == 3
#  if defined (__PATHSCALE__)
#     define BOOST_NO_TWO_PHASE_NAME_LOOKUP
#     define BOOST_NO_IS_ABSTRACT
#  endif

#  if __GNUC_MINOR__ < 4
#     define BOOST_NO_IS_ABSTRACT
#  endif
#  define BOOST_NO_CXX11_EXTERN_TEMPLATE
#endif
#if __GNUC__ < 4
//
// All problems to gcc-3.x and earlier here:
//
#define BOOST_NO_TWO_PHASE_NAME_LOOKUP
#  ifdef __OPEN64__
#     define BOOST_NO_IS_ABSTRACT
#  endif
#endif

// GCC prior to 3.4 had #pragma once too but it didn't work well with filesystem links
#if BOOST_GCC_VERSION >= 30400
#define BOOST_HAS_PRAGMA_ONCE
#endif

#if BOOST_GCC_VERSION < 40400
// Previous versions of GCC did not completely implement value-initialization:
// GCC Bug 30111, "Value-initialization of POD base class doesn't initialize
// members", reported by Jonathan Wakely in 2006,
// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30111 (fixed for GCC 4.4)
// GCC Bug 33916, "Default constructor fails to initialize array members",
// reported by Michael Elizabeth Chastain in 2007,
// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33916 (fixed for GCC 4.2.4)
// See also: http://www.boost.org/libs/utility/value_init.htm#compiler_issues
#define BOOST_NO_COMPLETE_VALUE_INITIALIZATION
#endif

#if !defined(__EXCEPTIONS) && !defined(BOOST_NO_EXCEPTIONS)
# define BOOST_NO_EXCEPTIONS
#endif


//
// Threading support: Turn this on unconditionally here (except for
// those platforms where we can know for sure). It will get turned off again
// later if no threading API is detected.
//
#if !defined(__MINGW32__) && !defined(linux) && !defined(__linux) && !defined(__linux__)
# define BOOST_HAS_THREADS
#endif

//
// gcc has "long long"
// Except on Darwin with standard compliance enabled (-pedantic)
// Apple gcc helpfully defines this macro we can query
//
#if !defined(__DARWIN_NO_LONG_LONG)
# define BOOST_HAS_LONG_LONG
#endif

//
// gcc implements the named return value optimization since version 3.1
//
#define BOOST_HAS_NRVO

// Branch prediction hints
#define BOOST_LIKELY(x) __builtin_expect(x, 1)
#define BOOST_UNLIKELY(x) __builtin_expect(x, 0)

//
// Dynamic shared object (DSO) and dynamic-link library (DLL) support
//
#if __GNUC__ >= 4
#  if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) && !defined(__CYGWIN__)
     // All Win32 development environments, including 64-bit Windows and MinGW, define
     // _WIN32 or one of its variant spellings. Note that Cygwin is a POSIX environment,
     // so does not define _WIN32 or its variants.
#    define BOOST_HAS_DECLSPEC
#    define BOOST_SYMBOL_EXPORT __attribute__((__dllexport__))
#    define BOOST_SYMBOL_IMPORT __attribute__((__dllimport__))
#  else
#    define BOOST_SYMBOL_EXPORT __attribute__((__visibility__("default")))
#    define BOOST_SYMBOL_IMPORT
#  endif
#  define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default")))
#else
// config/platform/win32.hpp will define BOOST_SYMBOL_EXPORT, etc., unless already defined
#  define BOOST_SYMBOL_EXPORT
#endif

//
// RTTI and typeinfo detection is possible post gcc-4.3:
//
#if BOOST_GCC_VERSION > 40300
#  ifndef __GXX_RTTI
#     ifndef BOOST_NO_TYPEID
#        define BOOST_NO_TYPEID
#     endif
#     ifndef BOOST_NO_RTTI
#        define BOOST_NO_RTTI
#     endif
#  endif
#endif

//
// Recent GCC versions have __int128 when in 64-bit mode.
//
// We disable this if the compiler is really nvcc with C++03 as it
// doesn't actually support __int128 as of CUDA_VERSION=7500
// even though it defines __SIZEOF_INT128__.
// See https://svn.boost.org/trac/boost/ticket/8048
//     https://svn.boost.org/trac/boost/ticket/11852
// Only re-enable this for nvcc if you're absolutely sure
// of the circumstances under which it's supported:
//
#if defined(__CUDACC__)
#  if defined(BOOST_GCC_CXX11)
#    define BOOST_NVCC_CXX11
#  else
#    define BOOST_NVCC_CXX03
#  endif
#endif

#if defined(__SIZEOF_INT128__) && !defined(BOOST_NVCC_CXX03)
#  define BOOST_HAS_INT128
#endif
//
// Recent GCC versions have a __float128 native type, we need to
// include a std lib header to detect this - not ideal, but we'll
// be including <cstddef> later anyway when we select the std lib.
//
// Nevertheless, as of CUDA 7.5, using __float128 with the host
// compiler in pre-C++11 mode is still not supported.
// See https://svn.boost.org/trac/boost/ticket/11852
//
#ifdef __cplusplus
#include <cstddef>
#else
#include <stddef.h>
#endif
#if defined(_GLIBCXX_USE_FLOAT128) && !defined(__STRICT_ANSI__) && !defined(BOOST_NVCC_CXX03)
# define BOOST_HAS_FLOAT128
#endif

// C++0x features in 4.3.n and later
//
#if (BOOST_GCC_VERSION >= 40300) && defined(BOOST_GCC_CXX11)
// C++0x features are only enabled when -std=c++0x or -std=gnu++0x are
// passed on the command line, which in turn defines
// __GXX_EXPERIMENTAL_CXX0X__.
#  define BOOST_HAS_DECLTYPE
#  define BOOST_HAS_RVALUE_REFS
#  define BOOST_HAS_STATIC_ASSERT
#  define BOOST_HAS_VARIADIC_TMPL
#else
#  define BOOST_NO_CXX11_DECLTYPE
#  define BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
#  define BOOST_NO_CXX11_RVALUE_REFERENCES
#  define BOOST_NO_CXX11_STATIC_ASSERT
#endif

// C++0x features in 4.4.n and later
//
#if (BOOST_GCC_VERSION < 40400) || !defined(BOOST_GCC_CXX11)
#  define BOOST_NO_CXX11_AUTO_DECLARATIONS
#  define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
#  define BOOST_NO_CXX11_CHAR16_T
#  define BOOST_NO_CXX11_CHAR32_T
#  define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
#  define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
#  define BOOST_NO_CXX11_DELETED_FUNCTIONS
#  define BOOST_NO_CXX11_TRAILING_RESULT_TYPES
#  define BOOST_NO_CXX11_INLINE_NAMESPACES
#  define BOOST_NO_CXX11_VARIADIC_TEMPLATES
#endif

#if BOOST_GCC_VERSION < 40500
#  define BOOST_NO_SFINAE_EXPR
#endif

// GCC 4.5 forbids declaration of defaulted functions in private or protected sections
#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ == 5) || !defined(BOOST_GCC_CXX11)
#  define BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS
#endif

// C++0x features in 4.5.0 and later
//
#if (BOOST_GCC_VERSION < 40500) || !defined(BOOST_GCC_CXX11)
#  define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
#  define BOOST_NO_CXX11_LAMBDAS
#  define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
#  define BOOST_NO_CXX11_RAW_LITERALS
#  define BOOST_NO_CXX11_UNICODE_LITERALS
#endif

// C++0x features in 4.5.1 and later
//
#if (BOOST_GCC_VERSION < 40501) || !defined(BOOST_GCC_CXX11)
// scoped enums have a serious bug in 4.4.0, so define BOOST_NO_CXX11_SCOPED_ENUMS before 4.5.1
// See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38064
#  define BOOST_NO_CXX11_SCOPED_ENUMS
#endif

// C++0x features in 4.6.n and later
//
#if (BOOST_GCC_VERSION < 40600) || !defined(BOOST_GCC_CXX11)
#define BOOST_NO_CXX11_CONSTEXPR
#define BOOST_NO_CXX11_NOEXCEPT
#define BOOST_NO_CXX11_NULLPTR
#define BOOST_NO_CXX11_RANGE_BASED_FOR
#define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
#endif

// C++0x features in 4.7.n and later
//
#if (BOOST_GCC_VERSION < 40700) || !defined(BOOST_GCC_CXX11)
#  define BOOST_NO_CXX11_FINAL
#  define BOOST_NO_CXX11_TEMPLATE_ALIASES
#  define BOOST_NO_CXX11_USER_DEFINED_LITERALS
#  define BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS
#endif

// C++0x features in 4.8.n and later
//
#if (BOOST_GCC_VERSION < 40800) || !defined(BOOST_GCC_CXX11)
#  define BOOST_NO_CXX11_ALIGNAS
#  define BOOST_NO_CXX11_THREAD_LOCAL
#endif

// C++0x features in 4.8.1 and later
//
#if (BOOST_GCC_VERSION < 40801) || !defined(BOOST_GCC_CXX11)
#  define BOOST_NO_CXX11_DECLTYPE_N3276
#  define BOOST_NO_CXX11_REF_QUALIFIERS
#  define BOOST_NO_CXX14_BINARY_LITERALS
#endif

// C++14 features in 4.9.0 and later
//
#if (BOOST_GCC_VERSION < 40900) || (__cplusplus < 201300)
#  define BOOST_NO_CXX14_RETURN_TYPE_DEDUCTION
#  define BOOST_NO_CXX14_GENERIC_LAMBDAS
#  define BOOST_NO_CXX14_DIGIT_SEPARATORS
#  define BOOST_NO_CXX14_DECLTYPE_AUTO
#  if !((BOOST_GCC_VERSION >= 40801) && (BOOST_GCC_VERSION < 40900) && defined(BOOST_GCC_CXX11))
#     define BOOST_NO_CXX14_INITIALIZED_LAMBDA_CAPTURES
#  endif
#endif


// C++ 14:
#if !defined(__cpp_aggregate_nsdmi) || (__cpp_aggregate_nsdmi < 201304)
#  define BOOST_NO_CXX14_AGGREGATE_NSDMI
#endif
#if !defined(__cpp_constexpr) || (__cpp_constexpr < 201304)
#  define BOOST_NO_CXX14_CONSTEXPR
#endif
#if !defined(__cpp_variable_templates) || (__cpp_variable_templates < 201304)
#  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
#endif

//
// Unused attribute:
#if __GNUC__ >= 4
#  define BOOST_ATTRIBUTE_UNUSED __attribute__((__unused__))
#endif
//
// __builtin_unreachable:
#if BOOST_GCC_VERSION >= 40800
#define BOOST_UNREACHABLE_RETURN(x) __builtin_unreachable();
#endif

#ifndef BOOST_COMPILER
#  define BOOST_COMPILER "GNU C++ version " __VERSION__
#endif

// ConceptGCC compiler:
//   http://www.generic-programming.org/software/ConceptGCC/
#ifdef __GXX_CONCEPTS__
#  define BOOST_HAS_CONCEPTS
#  define BOOST_COMPILER "ConceptGCC version " __VERSION__
#endif

// versions check:
// we don't know gcc prior to version 3.30:
#if (BOOST_GCC_VERSION< 30300)
#  error "Compiler not configured - please reconfigure"
#endif
//
// last known and checked version is 4.9:
#if (BOOST_GCC_VERSION > 40900)
#  if defined(BOOST_ASSERT_CONFIG)
#     error "Unknown compiler version - please run the configure tests and report the results"
#  else
// we don't emit warnings here anymore since there are no defect macros defined for
// gcc post 3.4, so any failures are gcc regressions...
//#     warning "Unknown compiler version - please run the configure tests and report the results"
#  endif
#endif