1//  (C) Copyright John Maddock 2001 - 2003.
2//  (C) Copyright Darin Adler 2001 - 2002.
3//  (C) Copyright Jens Maurer 2001 - 2002.
4//  (C) Copyright Beman Dawes 2001 - 2003.
5//  (C) Copyright Douglas Gregor 2002.
6//  (C) Copyright David Abrahams 2002 - 2003.
7//  (C) Copyright Synge Todo 2003.
8//  Use, modification and distribution are subject to the
9//  Boost Software License, Version 1.0. (See accompanying file
10//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
11
12//  See http://www.boost.org for most recent version.
13
14//  GNU C++ compiler setup:
15
16#if __GNUC__ < 3
17#   if __GNUC_MINOR__ == 91
18       // egcs 1.1 won't parse shared_ptr.hpp without this:
19#      define BOOST_NO_AUTO_PTR
20#   endif
21#   if __GNUC_MINOR__ < 95
22      //
23      // Prior to gcc 2.95 member templates only partly
24      // work - define BOOST_MSVC6_MEMBER_TEMPLATES
25      // instead since inline member templates mostly work.
26      //
27#     define BOOST_NO_MEMBER_TEMPLATES
28#     if __GNUC_MINOR__ >= 9
29#       define BOOST_MSVC6_MEMBER_TEMPLATES
30#     endif
31#   endif
32
33#   if __GNUC_MINOR__ < 96
34#     define BOOST_NO_SFINAE
35#   endif
36
37#   if __GNUC_MINOR__ <= 97
38#     define BOOST_NO_MEMBER_TEMPLATE_FRIENDS
39#     define BOOST_NO_OPERATORS_IN_NAMESPACE
40#   endif
41
42#   define BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE
43#   define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL
44#   define BOOST_NO_IS_ABSTRACT
45#   define BOOST_NO_CXX11_EXTERN_TEMPLATE
46// Variadic macros do not exist for gcc versions before 3.0
47#   define BOOST_NO_CXX11_VARIADIC_MACROS
48#elif __GNUC__ == 3
49#  if defined (__PATHSCALE__)
50#     define BOOST_NO_TWO_PHASE_NAME_LOOKUP
51#     define BOOST_NO_IS_ABSTRACT
52#  endif
53   //
54   // gcc-3.x problems:
55   //
56   // Bug specific to gcc 3.1 and 3.2:
57   //
58#  if ((__GNUC_MINOR__ == 1) || (__GNUC_MINOR__ == 2))
59#     define BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS
60#  endif
61#  if __GNUC_MINOR__ < 4
62#     define BOOST_NO_IS_ABSTRACT
63#  endif
64#  define BOOST_NO_CXX11_EXTERN_TEMPLATE
65#endif
66#if __GNUC__ < 4
67//
68// All problems to gcc-3.x and earlier here:
69//
70#define BOOST_NO_TWO_PHASE_NAME_LOOKUP
71#  ifdef __OPEN64__
72#     define BOOST_NO_IS_ABSTRACT
73#  endif
74#endif
75
76#if __GNUC__ < 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ < 4 )
77// Previous versions of GCC did not completely implement value-initialization:
78// GCC Bug 30111, "Value-initialization of POD base class doesn't initialize
79// members", reported by Jonathan Wakely in 2006,
80// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30111 (fixed for GCC 4.4)
81// GCC Bug 33916, "Default constructor fails to initialize array members",
82// reported by Michael Elizabeth Chastain in 2007,
83// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33916 (fixed for GCC 4.2.4)
84// See also: http://www.boost.org/libs/utility/value_init.htm#compiler_issues
85#define BOOST_NO_COMPLETE_VALUE_INITIALIZATION
86#endif
87
88#if !defined(__EXCEPTIONS) && !defined(BOOST_NO_EXCEPTIONS)
89# define BOOST_NO_EXCEPTIONS
90#endif
91
92
93//
94// Threading support: Turn this on unconditionally here (except for
95// those platforms where we can know for sure). It will get turned off again
96// later if no threading API is detected.
97//
98#if !defined(__MINGW32__) && !defined(linux) && !defined(__linux) && !defined(__linux__)
99# define BOOST_HAS_THREADS
100#endif
101
102//
103// gcc has "long long"
104//
105#define BOOST_HAS_LONG_LONG
106
107//
108// gcc implements the named return value optimization since version 3.1
109//
110#if __GNUC__ > 3 || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 1 )
111#define BOOST_HAS_NRVO
112#endif
113
114//
115// Dynamic shared object (DSO) and dynamic-link library (DLL) support
116//
117#if __GNUC__ >= 4
118#  if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) && !defined(__CYGWIN__)
119     // All Win32 development environments, including 64-bit Windows and MinGW, define
120     // _WIN32 or one of its variant spellings. Note that Cygwin is a POSIX environment,
121     // so does not define _WIN32 or its variants.
122#    define BOOST_HAS_DECLSPEC
123#    define BOOST_SYMBOL_EXPORT __attribute__((dllexport))
124#    define BOOST_SYMBOL_IMPORT __attribute__((dllimport))
125#  else
126#    define BOOST_SYMBOL_EXPORT __attribute__((visibility("default")))
127#    define BOOST_SYMBOL_IMPORT
128#  endif
129#  define BOOST_SYMBOL_VISIBLE __attribute__((visibility("default")))
130#else
131// config/platform/win32.hpp will define BOOST_SYMBOL_EXPORT, etc., unless already defined
132#  define BOOST_SYMBOL_EXPORT
133#endif
134
135//
136// RTTI and typeinfo detection is possible post gcc-4.3:
137//
138#if __GNUC__ * 100 + __GNUC_MINOR__ >= 403
139#  ifndef __GXX_RTTI
140#     ifndef BOOST_NO_TYPEID
141#        define BOOST_NO_TYPEID
142#     endif
143#     ifndef BOOST_NO_RTTI
144#        define BOOST_NO_RTTI
145#     endif
146#  endif
147#endif
148
149
150// C++0x features in 4.3.n and later
151//
152#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2)) && defined(__GXX_EXPERIMENTAL_CXX0X__)
153// C++0x features are only enabled when -std=c++0x or -std=gnu++0x are
154// passed on the command line, which in turn defines
155// __GXX_EXPERIMENTAL_CXX0X__.
156#  define BOOST_HAS_DECLTYPE
157#  define BOOST_HAS_RVALUE_REFS
158#  define BOOST_HAS_STATIC_ASSERT
159#  define BOOST_HAS_VARIADIC_TMPL
160#else
161#  define BOOST_NO_CXX11_DECLTYPE
162#  define BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
163#  define BOOST_NO_CXX11_RVALUE_REFERENCES
164#  define BOOST_NO_CXX11_STATIC_ASSERT
165
166// Variadic templates compiler:
167//   http://www.generic-programming.org/~dgregor/cpp/variadic-templates.html
168#  if defined(__VARIADIC_TEMPLATES) || (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4) && defined(__GXX_EXPERIMENTAL_CXX0X__))
169#    define BOOST_HAS_VARIADIC_TMPL
170#  else
171#    define BOOST_NO_CXX11_VARIADIC_TEMPLATES
172#  endif
173#endif
174
175// C++0x features in 4.4.n and later
176//
177#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 4) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
178#  define BOOST_NO_CXX11_AUTO_DECLARATIONS
179#  define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
180#  define BOOST_NO_CXX11_CHAR16_T
181#  define BOOST_NO_CXX11_CHAR32_T
182#  define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
183#  define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
184#  define BOOST_NO_CXX11_DELETED_FUNCTIONS
185#endif
186
187#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
188#  define BOOST_NO_SFINAE_EXPR
189#endif
190
191// C++0x features in 4.5.0 and later
192//
193#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
194#  define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
195#  define BOOST_NO_CXX11_LAMBDAS
196#  define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
197#  define BOOST_NO_CXX11_RAW_LITERALS
198#  define BOOST_NO_CXX11_UNICODE_LITERALS
199#endif
200
201// C++0x features in 4.5.1 and later
202//
203#if (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__ < 40501) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
204// scoped enums have a serious bug in 4.4.0, so define BOOST_NO_CXX11_SCOPED_ENUMS before 4.5.1
205// See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38064
206#  define BOOST_NO_CXX11_SCOPED_ENUMS
207#endif
208
209// C++0x features in 4.6.n and later
210//
211#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 6) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
212#define BOOST_NO_CXX11_CONSTEXPR
213#define BOOST_NO_CXX11_NOEXCEPT
214#define BOOST_NO_CXX11_NULLPTR
215#define BOOST_NO_CXX11_RANGE_BASED_FOR
216#define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
217#endif
218
219#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
220#  define BOOST_NO_CXX11_TEMPLATE_ALIASES
221#endif
222// C++0x features not supported at all yet
223//
224#define BOOST_NO_CXX11_DECLTYPE_N3276
225
226#ifndef BOOST_COMPILER
227#  define BOOST_COMPILER "GNU C++ version " __VERSION__
228#endif
229
230// ConceptGCC compiler:
231//   http://www.generic-programming.org/software/ConceptGCC/
232#ifdef __GXX_CONCEPTS__
233#  define BOOST_HAS_CONCEPTS
234#  define BOOST_COMPILER "ConceptGCC version " __VERSION__
235#endif
236
237// versions check:
238// we don't know gcc prior to version 2.90:
239#if (__GNUC__ == 2) && (__GNUC_MINOR__ < 90)
240#  error "Compiler not configured - please reconfigure"
241#endif
242//
243// last known and checked version is 4.6 (Pre-release):
244#if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 6))
245#  if defined(BOOST_ASSERT_CONFIG)
246#     error "Unknown compiler version - please run the configure tests and report the results"
247#  else
248// we don't emit warnings here anymore since there are no defect macros defined for
249// gcc post 3.4, so any failures are gcc regressions...
250//#     warning "Unknown compiler version - please run the configure tests and report the results"
251#  endif
252#endif
253
254
255