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       //
40       // If the std lib has thread support turned on, then turn it on in Boost
41       // as well.  We do this because some gcc-3.4 std lib headers define _REENTANT
42       // while others do not...
43       //
44 #     define BOOST_HAS_THREADS
45 #  else
46 #     define BOOST_DISABLE_THREADS
47 #  endif
48 #elif defined(__GLIBCPP__) \
49         && !defined(_GLIBCPP_HAVE_GTHR_DEFAULT) \
50         && !defined(_GLIBCPP__PTHREADS)
51    // disable thread support if the std lib was built single threaded:
52 #  define BOOST_DISABLE_THREADS
53 #endif
54 
55 #if (defined(linux) || defined(__linux) || defined(__linux__)) && defined(__arm__) && defined(_GLIBCPP_HAVE_GTHR_DEFAULT)
56 // linux on arm apparently doesn't define _REENTRANT
57 // so just turn on threading support whenever the std lib is thread safe:
58 #  define BOOST_HAS_THREADS
59 #endif
60 
61 #if !defined(_GLIBCPP_USE_LONG_LONG) \
62     && !defined(_GLIBCXX_USE_LONG_LONG)\
63     && defined(BOOST_HAS_LONG_LONG)
64 // May have been set by compiler/*.hpp, but "long long" without library
65 // support is useless.
66 #  undef BOOST_HAS_LONG_LONG
67 #endif
68 
69 // Apple doesn't seem to reliably defined a *unix* macro
70 #if !defined(CYGWIN) && (  defined(__unix__)  \
71                         || defined(__unix)    \
72                         || defined(unix)      \
73                         || defined(__APPLE__) \
74                         || defined(__APPLE)   \
75                         || defined(APPLE))
76 #  include <unistd.h>
77 #endif
78 
79 #if defined(__GLIBCXX__) || (defined(__GLIBCPP__) && __GLIBCPP__>=20020514) // GCC >= 3.1.0
80 #  define BOOST_STD_EXTENSION_NAMESPACE __gnu_cxx
81 #  define BOOST_HAS_SLIST
82 #  define BOOST_HAS_HASH
83 #  define BOOST_SLIST_HEADER <ext/slist>
84 # if !defined(__GNUC__) || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
85 #   define BOOST_HASH_SET_HEADER <ext/hash_set>
86 #   define BOOST_HASH_MAP_HEADER <ext/hash_map>
87 # else
88 #   define BOOST_HASH_SET_HEADER <backward/hash_set>
89 #   define BOOST_HASH_MAP_HEADER <backward/hash_map>
90 # endif
91 #endif
92 
93 //  stdlibc++ C++0x support is detected via __GNUC__, __GNUC_MINOR__, and possibly
94 //  __GNUC_PATCHLEVEL__ at the suggestion of Jonathan Wakely, one of the stdlibc++
95 //  developers. He also commented:
96 //
97 //       "I'm not sure how useful __GLIBCXX__ is for your purposes, for instance in
98 //       GCC 4.2.4 it is set to 20080519 but in GCC 4.3.0 it is set to 20080305.
99 //       Although 4.3.0 was released earlier than 4.2.4, it has better C++0x support
100 //       than any release in the 4.2 series."
101 //
102 //  Another resource for understanding stdlibc++ features is:
103 //  http://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#manual.intro.status.standard.200x
104 
105 //  C++0x headers in GCC 4.3.0 and later
106 //
107 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
108 #  define BOOST_NO_CXX11_HDR_ARRAY
109 #  define BOOST_NO_CXX11_HDR_REGEX
110 #  define BOOST_NO_CXX11_HDR_TUPLE
111 #  define BOOST_NO_CXX11_HDR_UNORDERED_MAP
112 #  define BOOST_NO_CXX11_HDR_UNORDERED_SET
113 #  define BOOST_NO_CXX11_HDR_FUNCTIONAL
114 #endif
115 
116 //  C++0x headers in GCC 4.4.0 and later
117 //
118 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 4) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
119 #  define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
120 #  define BOOST_NO_CXX11_HDR_FORWARD_LIST
121 #  define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
122 #  define BOOST_NO_CXX11_HDR_MUTEX
123 #  define BOOST_NO_CXX11_HDR_RATIO
124 #  define BOOST_NO_CXX11_HDR_SYSTEM_ERROR
125 #  define BOOST_NO_CXX11_SMART_PTR
126 #else
127 #  define BOOST_HAS_TR1_COMPLEX_INVERSE_TRIG
128 #  define BOOST_HAS_TR1_COMPLEX_OVERLOADS
129 #endif
130 
131 #if (!defined(_GLIBCXX_HAS_GTHREADS) || !defined(_GLIBCXX_USE_C99_STDINT_TR1)) && (!defined(BOOST_NO_CXX11_HDR_CONDITION_VARIABLE) || !defined(BOOST_NO_CXX11_HDR_MUTEX))
132 #  define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
133 #  define BOOST_NO_CXX11_HDR_MUTEX
134 #endif
135 
136 //  C++0x features in GCC 4.5.0 and later
137 //
138 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
139 #  define BOOST_NO_CXX11_NUMERIC_LIMITS
140 #  define BOOST_NO_CXX11_HDR_FUTURE
141 #  define BOOST_NO_CXX11_HDR_RANDOM
142 #endif
143 
144 //  C++0x features in GCC 4.6.0 and later
145 //
146 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 6) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
147 #  define BOOST_NO_CXX11_HDR_TYPEINDEX
148 #endif
149 
150 //  C++0x features in GCC 4.7.0 and later
151 //
152 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
153 // Note that although <chrono> existed prior to 4.7, "stead_clock" is spelled "monotonic_clock"
154 // so 4.7.0 is the first truely conforming one.
155 #  define BOOST_NO_CXX11_HDR_CHRONO
156 #  define BOOST_NO_CXX11_ALLOCATOR
157 #endif
158 //  C++0x headers not yet (fully!) implemented
159 //
160 #  define BOOST_NO_CXX11_HDR_THREAD
161 #  define BOOST_NO_CXX11_HDR_TYPE_TRAITS
162 #  define BOOST_NO_CXX11_HDR_CODECVT
163 #  define BOOST_NO_CXX11_ATOMIC_SMART_PTR
164 
165 //  --- end ---
166