1    	// Predefined symbols and macros -*- C++ -*-
2    	
3    	// Copyright (C) 1997-2017 Free Software Foundation, Inc.
4    	//
5    	// This file is part of the GNU ISO C++ Library.  This library is free
6    	// software; you can redistribute it and/or modify it under the
7    	// terms of the GNU General Public License as published by the
8    	// Free Software Foundation; either version 3, or (at your option)
9    	// any later version.
10   	
11   	// This library is distributed in the hope that it will be useful,
12   	// but WITHOUT ANY WARRANTY; without even the implied warranty of
13   	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   	// GNU General Public License for more details.
15   	
16   	// Under Section 7 of GPL version 3, you are granted additional
17   	// permissions described in the GCC Runtime Library Exception, version
18   	// 3.1, as published by the Free Software Foundation.
19   	
20   	// You should have received a copy of the GNU General Public License and
21   	// a copy of the GCC Runtime Library Exception along with this program;
22   	// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23   	// <http://www.gnu.org/licenses/>.
24   	
25   	/** @file bits/c++config.h
26   	 *  This is an internal header file, included by other library headers.
27   	 *  Do not attempt to use it directly. @headername{iosfwd}
28   	 */
29   	
30   	#ifndef _GLIBCXX_CXX_CONFIG_H
31   	#define _GLIBCXX_CXX_CONFIG_H 1
32   	
33   	// The major release number for the GCC release the C++ library belongs to.
34   	#define _GLIBCXX_RELEASE 7
35   	
36   	// The datestamp of the C++ library in compressed ISO date format.
37   	#define __GLIBCXX__ 20181206
38   	
39   	// Macros for various attributes.
40   	//   _GLIBCXX_PURE
41   	//   _GLIBCXX_CONST
42   	//   _GLIBCXX_NORETURN
43   	//   _GLIBCXX_NOTHROW
44   	//   _GLIBCXX_VISIBILITY
45   	#ifndef _GLIBCXX_PURE
46   	# define _GLIBCXX_PURE __attribute__ ((__pure__))
47   	#endif
48   	
49   	#ifndef _GLIBCXX_CONST
50   	# define _GLIBCXX_CONST __attribute__ ((__const__))
51   	#endif
52   	
53   	#ifndef _GLIBCXX_NORETURN
54   	# define _GLIBCXX_NORETURN __attribute__ ((__noreturn__))
55   	#endif
56   	
57   	// See below for C++
58   	#ifndef _GLIBCXX_NOTHROW
59   	# ifndef __cplusplus
60   	#  define _GLIBCXX_NOTHROW __attribute__((__nothrow__))
61   	# endif
62   	#endif
63   	
64   	// Macros for visibility attributes.
65   	//   _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY
66   	//   _GLIBCXX_VISIBILITY
67   	# define _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY 1
68   	
69   	#if _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY
70   	# define _GLIBCXX_VISIBILITY(V) __attribute__ ((__visibility__ (#V)))
71   	#else
72   	// If this is not supplied by the OS-specific or CPU-specific
73   	// headers included below, it will be defined to an empty default.
74   	# define _GLIBCXX_VISIBILITY(V) _GLIBCXX_PSEUDO_VISIBILITY(V)
75   	#endif
76   	
77   	// Macros for deprecated attributes.
78   	//   _GLIBCXX_USE_DEPRECATED
79   	//   _GLIBCXX_DEPRECATED
80   	#ifndef _GLIBCXX_USE_DEPRECATED
81   	# define _GLIBCXX_USE_DEPRECATED 1
82   	#endif
83   	
84   	#if defined(__DEPRECATED) && (__cplusplus >= 201103L)
85   	# define _GLIBCXX_DEPRECATED __attribute__ ((__deprecated__))
86   	#else
87   	# define _GLIBCXX_DEPRECATED
88   	#endif
89   	
90   	// Macros for ABI tag attributes.
91   	#ifndef _GLIBCXX_ABI_TAG_CXX11
92   	# define _GLIBCXX_ABI_TAG_CXX11 __attribute ((__abi_tag__ ("cxx11")))
93   	#endif
94   	
95   	
96   	#if __cplusplus
97   	
98   	// Macro for constexpr, to support in mixed 03/0x mode.
99   	#ifndef _GLIBCXX_CONSTEXPR
100  	# if __cplusplus >= 201103L
101  	#  define _GLIBCXX_CONSTEXPR constexpr
102  	#  define _GLIBCXX_USE_CONSTEXPR constexpr
103  	# else
104  	#  define _GLIBCXX_CONSTEXPR
105  	#  define _GLIBCXX_USE_CONSTEXPR const
106  	# endif
107  	#endif
108  	
109  	#ifndef _GLIBCXX14_CONSTEXPR
110  	# if __cplusplus >= 201402L
111  	#  define _GLIBCXX14_CONSTEXPR constexpr
112  	# else
113  	#  define _GLIBCXX14_CONSTEXPR
114  	# endif
115  	#endif
116  	
117  	#ifndef _GLIBCXX17_CONSTEXPR
118  	# if __cplusplus > 201402L
119  	#  define _GLIBCXX17_CONSTEXPR constexpr
120  	# else
121  	#  define _GLIBCXX17_CONSTEXPR
122  	# endif
123  	#endif
124  	
125  	#ifndef _GLIBCXX17_INLINE
126  	# if __cplusplus > 201402L
127  	#  define _GLIBCXX17_INLINE inline
128  	# else
129  	#  define _GLIBCXX17_INLINE
130  	# endif
131  	#endif
132  	
133  	// Macro for noexcept, to support in mixed 03/0x mode.
134  	#ifndef _GLIBCXX_NOEXCEPT
135  	# if __cplusplus >= 201103L
136  	#  define _GLIBCXX_NOEXCEPT noexcept
137  	#  define _GLIBCXX_NOEXCEPT_IF(_COND) noexcept(_COND)
138  	#  define _GLIBCXX_USE_NOEXCEPT noexcept
139  	#  define _GLIBCXX_THROW(_EXC)
140  	# else
141  	#  define _GLIBCXX_NOEXCEPT
142  	#  define _GLIBCXX_NOEXCEPT_IF(_COND)
143  	#  define _GLIBCXX_USE_NOEXCEPT throw()
144  	#  define _GLIBCXX_THROW(_EXC) throw(_EXC)
145  	# endif
146  	#endif
147  	
148  	#ifndef _GLIBCXX_NOTHROW
149  	# define _GLIBCXX_NOTHROW _GLIBCXX_USE_NOEXCEPT
150  	#endif
151  	
152  	#ifndef _GLIBCXX_THROW_OR_ABORT
153  	# if __cpp_exceptions
154  	#  define _GLIBCXX_THROW_OR_ABORT(_EXC) (throw (_EXC))
155  	# else
156  	#  define _GLIBCXX_THROW_OR_ABORT(_EXC) (__builtin_abort())
157  	# endif
158  	#endif
159  	
160  	#if __cpp_noexcept_function_type
161  	#define _GLIBCXX_NOEXCEPT_PARM , bool _NE
162  	#define _GLIBCXX_NOEXCEPT_QUAL noexcept (_NE)
163  	#else
164  	#define _GLIBCXX_NOEXCEPT_PARM
165  	#define _GLIBCXX_NOEXCEPT_QUAL
166  	#endif
167  	
168  	// Macro for extern template, ie controlling template linkage via use
169  	// of extern keyword on template declaration. As documented in the g++
170  	// manual, it inhibits all implicit instantiations and is used
171  	// throughout the library to avoid multiple weak definitions for
172  	// required types that are already explicitly instantiated in the
173  	// library binary. This substantially reduces the binary size of
174  	// resulting executables.
175  	// Special case: _GLIBCXX_EXTERN_TEMPLATE == -1 disallows extern
176  	// templates only in basic_string, thus activating its debug-mode
177  	// checks even at -O0.
178  	# define _GLIBCXX_EXTERN_TEMPLATE 1
179  	
180  	/*
181  	  Outline of libstdc++ namespaces.
182  	
183  	  namespace std
184  	  {
185  	    namespace __debug { }
186  	    namespace __parallel { }
187  	    namespace __profile { }
188  	    namespace __cxx1998 { }
189  	
190  	    namespace __detail {
191  	      namespace __variant { }				// C++17
192  	    }
193  	
194  	    namespace rel_ops { }
195  	
196  	    namespace tr1
197  	    {
198  	      namespace placeholders { }
199  	      namespace regex_constants { }
200  	      namespace __detail { }
201  	    }
202  	
203  	    namespace tr2 { }
204  	    
205  	    namespace decimal { }
206  	
207  	    namespace chrono { }				// C++11
208  	    namespace placeholders { }				// C++11
209  	    namespace regex_constants { }			// C++11
210  	    namespace this_thread { }				// C++11
211  	    inline namespace literals {				// C++14
212  	      inline namespace chrono_literals { }		// C++14
213  	      inline namespace complex_literals { }		// C++14
214  	      inline namespace string_literals { }		// C++14
215  	      inline namespace string_view_literals { }		// C++17
216  	    }
217  	  }
218  	
219  	  namespace abi { }
220  	
221  	  namespace __gnu_cxx
222  	  {
223  	    namespace __detail { }
224  	  }
225  	
226  	  For full details see:
227  	  http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/namespaces.html
228  	*/
229  	namespace std
230  	{
231  	  typedef __SIZE_TYPE__ 	size_t;
232  	  typedef __PTRDIFF_TYPE__	ptrdiff_t;
233  	
234  	#if __cplusplus >= 201103L
235  	  typedef decltype(nullptr)	nullptr_t;
236  	#endif
237  	}
238  	
239  	# define _GLIBCXX_USE_DUAL_ABI 1
240  	
241  	#if ! _GLIBCXX_USE_DUAL_ABI
242  	// Ignore any pre-defined value of _GLIBCXX_USE_CXX11_ABI
243  	# undef _GLIBCXX_USE_CXX11_ABI
244  	#endif
245  	
246  	#ifndef _GLIBCXX_USE_CXX11_ABI
247  	# define _GLIBCXX_USE_CXX11_ABI 0
248  	#endif
249  	
250  	#if _GLIBCXX_USE_CXX11_ABI
251  	namespace std
252  	{
253  	  inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }
254  	}
255  	namespace __gnu_cxx
256  	{
257  	  inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }
258  	}
259  	# define _GLIBCXX_NAMESPACE_CXX11 __cxx11::
260  	# define _GLIBCXX_BEGIN_NAMESPACE_CXX11 namespace __cxx11 {
261  	# define _GLIBCXX_END_NAMESPACE_CXX11 }
262  	# define _GLIBCXX_DEFAULT_ABI_TAG _GLIBCXX_ABI_TAG_CXX11
263  	#else
264  	# define _GLIBCXX_NAMESPACE_CXX11
265  	# define _GLIBCXX_BEGIN_NAMESPACE_CXX11
266  	# define _GLIBCXX_END_NAMESPACE_CXX11
267  	# define _GLIBCXX_DEFAULT_ABI_TAG
268  	#endif
269  	
270  	
271  	// Defined if inline namespaces are used for versioning.
272  	# define _GLIBCXX_INLINE_VERSION 0 
273  	
274  	// Inline namespace for symbol versioning.
275  	#if _GLIBCXX_INLINE_VERSION
276  	
277  	namespace std
278  	{
279  	  inline namespace __7 { }
280  	
281  	  namespace rel_ops { inline namespace __7 { } }
282  	
283  	  namespace tr1
284  	  {
285  	    inline namespace __7 { }
286  	    namespace placeholders { inline namespace __7 { } }
287  	    namespace regex_constants { inline namespace __7 { } }
288  	    namespace __detail { inline namespace __7 { } }
289  	  }
290  	
291  	  namespace tr2
292  	  { inline namespace __7 { } }
293  	
294  	  namespace decimal { inline namespace __7 { } }
295  	
296  	#if __cplusplus >= 201103L
297  	  namespace chrono { inline namespace __7 { } }
298  	  namespace placeholders { inline namespace __7 { } }
299  	  namespace regex_constants { inline namespace __7 { } }
300  	  namespace this_thread { inline namespace __7 { } }
301  	
302  	#if __cplusplus >= 201402L
303  	  inline namespace literals {
304  	    inline namespace chrono_literals { inline namespace __7 { } }
305  	    inline namespace complex_literals { inline namespace __7 { } }
306  	    inline namespace string_literals { inline namespace __7 { } }
307  	#if __cplusplus > 201402L
308  	    inline namespace string_view_literals { inline namespace __7 { } }
309  	#endif // C++17
310  	  }
311  	#endif // C++14
312  	#endif // C++11
313  	
314  	  namespace __detail {
315  	    inline namespace __7 { }
316  	#if __cplusplus > 201402L
317  	    namespace __variant { inline namespace __7 { } }
318  	#endif
319  	  }
320  	}
321  	
322  	namespace __gnu_cxx
323  	{
324  	  inline namespace __7 { }
325  	  namespace __detail { inline namespace __7 { } }
326  	}
327  	# define _GLIBCXX_BEGIN_NAMESPACE_VERSION namespace __7 {
328  	# define _GLIBCXX_END_NAMESPACE_VERSION }
329  	#else
330  	# define _GLIBCXX_BEGIN_NAMESPACE_VERSION
331  	# define _GLIBCXX_END_NAMESPACE_VERSION
332  	#endif
333  	
334  	
335  	// Inline namespaces for special modes: debug, parallel, profile.
336  	#if defined(_GLIBCXX_DEBUG) || defined(_GLIBCXX_PARALLEL) \
337  	    || defined(_GLIBCXX_PROFILE)
338  	namespace std
339  	{
340  	  // Non-inline namespace for components replaced by alternates in active mode.
341  	  namespace __cxx1998
342  	  {
343  	# if _GLIBCXX_INLINE_VERSION
344  	  inline namespace __7 { }
345  	# endif
346  	
347  	# if _GLIBCXX_USE_CXX11_ABI
348  	  inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }
349  	# endif
350  	  }
351  	
352  	  // Inline namespace for debug mode.
353  	# ifdef _GLIBCXX_DEBUG
354  	  inline namespace __debug { }
355  	# endif
356  	
357  	  // Inline namespaces for parallel mode.
358  	# ifdef _GLIBCXX_PARALLEL
359  	  inline namespace __parallel { }
360  	# endif
361  	
362  	  // Inline namespaces for profile mode
363  	# ifdef _GLIBCXX_PROFILE
364  	  inline namespace __profile { }
365  	# endif
366  	}
367  	
368  	// Check for invalid usage and unsupported mixed-mode use.
369  	# if defined(_GLIBCXX_DEBUG) && defined(_GLIBCXX_PARALLEL)
370  	#  error illegal use of multiple inlined namespaces
371  	# endif
372  	# if defined(_GLIBCXX_PROFILE) && defined(_GLIBCXX_DEBUG)
373  	#  error illegal use of multiple inlined namespaces
374  	# endif
375  	# if defined(_GLIBCXX_PROFILE) && defined(_GLIBCXX_PARALLEL)
376  	#  error illegal use of multiple inlined namespaces
377  	# endif
378  	
379  	// Check for invalid use due to lack for weak symbols.
380  	# if __NO_INLINE__ && !__GXX_WEAK__
381  	#  warning currently using inlined namespace mode which may fail \
382  	   without inlining due to lack of weak symbols
383  	# endif
384  	#endif
385  	
386  	// Macros for namespace scope. Either namespace std:: or the name
387  	// of some nested namespace within it corresponding to the active mode.
388  	// _GLIBCXX_STD_A
389  	// _GLIBCXX_STD_C
390  	//
391  	// Macros for opening/closing conditional namespaces.
392  	// _GLIBCXX_BEGIN_NAMESPACE_ALGO
393  	// _GLIBCXX_END_NAMESPACE_ALGO
394  	// _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
395  	// _GLIBCXX_END_NAMESPACE_CONTAINER
396  	#if defined(_GLIBCXX_DEBUG) || defined(_GLIBCXX_PROFILE)
397  	# define _GLIBCXX_STD_C __cxx1998
398  	# define _GLIBCXX_BEGIN_NAMESPACE_CONTAINER \
399  		 namespace _GLIBCXX_STD_C { _GLIBCXX_BEGIN_NAMESPACE_VERSION
400  	# define _GLIBCXX_END_NAMESPACE_CONTAINER \
401  		 _GLIBCXX_END_NAMESPACE_VERSION }
402  	#else
403  	# define _GLIBCXX_STD_C std
404  	# define _GLIBCXX_BEGIN_NAMESPACE_CONTAINER _GLIBCXX_BEGIN_NAMESPACE_VERSION
405  	# define _GLIBCXX_END_NAMESPACE_CONTAINER _GLIBCXX_END_NAMESPACE_VERSION
406  	#endif
407  	
408  	#ifdef _GLIBCXX_PARALLEL
409  	# define _GLIBCXX_STD_A __cxx1998
410  	# define _GLIBCXX_BEGIN_NAMESPACE_ALGO \
411  		 namespace _GLIBCXX_STD_A { _GLIBCXX_BEGIN_NAMESPACE_VERSION
412  	# define _GLIBCXX_END_NAMESPACE_ALGO \
413  		 _GLIBCXX_END_NAMESPACE_VERSION }
414  	#else
415  	# define _GLIBCXX_STD_A std
416  	# define _GLIBCXX_BEGIN_NAMESPACE_ALGO _GLIBCXX_BEGIN_NAMESPACE_VERSION
417  	# define _GLIBCXX_END_NAMESPACE_ALGO _GLIBCXX_END_NAMESPACE_VERSION
418  	#endif
419  	
420  	// GLIBCXX_ABI Deprecated
421  	// Define if compatibility should be provided for -mlong-double-64.
422  	#undef _GLIBCXX_LONG_DOUBLE_COMPAT
423  	
424  	// Inline namespace for long double 128 mode.
425  	#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
426  	namespace std
427  	{
428  	  inline namespace __gnu_cxx_ldbl128 { }
429  	}
430  	# define _GLIBCXX_NAMESPACE_LDBL __gnu_cxx_ldbl128::
431  	# define _GLIBCXX_BEGIN_NAMESPACE_LDBL namespace __gnu_cxx_ldbl128 {
432  	# define _GLIBCXX_END_NAMESPACE_LDBL }
433  	#else
434  	# define _GLIBCXX_NAMESPACE_LDBL
435  	# define _GLIBCXX_BEGIN_NAMESPACE_LDBL
436  	# define _GLIBCXX_END_NAMESPACE_LDBL
437  	#endif
438  	#if _GLIBCXX_USE_CXX11_ABI
439  	# define _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_NAMESPACE_CXX11
440  	# define _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_BEGIN_NAMESPACE_CXX11
441  	# define _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_END_NAMESPACE_CXX11
442  	#else
443  	# define _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_NAMESPACE_LDBL
444  	# define _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_BEGIN_NAMESPACE_LDBL
445  	# define _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_END_NAMESPACE_LDBL
446  	#endif
447  	
448  	// Debug Mode implies checking assertions.
449  	#if defined(_GLIBCXX_DEBUG) && !defined(_GLIBCXX_ASSERTIONS)
450  	# define _GLIBCXX_ASSERTIONS 1
451  	#endif
452  	
453  	// Disable std::string explicit instantiation declarations in order to assert.
454  	#ifdef _GLIBCXX_ASSERTIONS
455  	# undef _GLIBCXX_EXTERN_TEMPLATE
456  	# define _GLIBCXX_EXTERN_TEMPLATE -1
457  	#endif
458  	
459  	// Assert.
460  	#if defined(_GLIBCXX_ASSERTIONS) \
461  	  || defined(_GLIBCXX_PARALLEL) || defined(_GLIBCXX_PARALLEL_ASSERTIONS)
462  	namespace std
463  	{
464  	  // Avoid the use of assert, because we're trying to keep the <cassert>
465  	  // include out of the mix.
466  	  inline void
467  	  __replacement_assert(const char* __file, int __line,
468  			       const char* __function, const char* __condition)
469  	  {
470  	    __builtin_printf("%s:%d: %s: Assertion '%s' failed.\n", __file, __line,
471  			     __function, __condition);
472  	    __builtin_abort();
473  	  }
474  	}
475  	#define __glibcxx_assert_impl(_Condition)				 \
476  	  do 									 \
477  	  {							      		 \
478  	    if (! (_Condition))                                                  \
479  	      std::__replacement_assert(__FILE__, __LINE__, __PRETTY_FUNCTION__, \
480  					#_Condition);				 \
481  	  } while (false)
482  	#endif
483  	
484  	#if defined(_GLIBCXX_ASSERTIONS)
485  	# define __glibcxx_assert(_Condition) __glibcxx_assert_impl(_Condition)
486  	#else
487  	# define __glibcxx_assert(_Condition)
488  	#endif
489  	
490  	// Macros for race detectors.
491  	// _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(A) and
492  	// _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(A) should be used to explain
493  	// atomic (lock-free) synchronization to race detectors:
494  	// the race detector will infer a happens-before arc from the former to the
495  	// latter when they share the same argument pointer.
496  	//
497  	// The most frequent use case for these macros (and the only case in the
498  	// current implementation of the library) is atomic reference counting:
499  	//   void _M_remove_reference()
500  	//   {
501  	//     _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&this->_M_refcount);
502  	//     if (__gnu_cxx::__exchange_and_add_dispatch(&this->_M_refcount, -1) <= 0)
503  	//       {
504  	//         _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&this->_M_refcount);
505  	//         _M_destroy(__a);
506  	//       }
507  	//   }
508  	// The annotations in this example tell the race detector that all memory
509  	// accesses occurred when the refcount was positive do not race with
510  	// memory accesses which occurred after the refcount became zero.
511  	#ifndef _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE
512  	# define  _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(A)
513  	#endif
514  	#ifndef _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER
515  	# define  _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(A)
516  	#endif
517  	
518  	// Macros for C linkage: define extern "C" linkage only when using C++.
519  	# define _GLIBCXX_BEGIN_EXTERN_C extern "C" {
520  	# define _GLIBCXX_END_EXTERN_C }
521  	
522  	# define _GLIBCXX_USE_ALLOCATOR_NEW 1
523  	
524  	#else // !__cplusplus
525  	# define _GLIBCXX_BEGIN_EXTERN_C
526  	# define _GLIBCXX_END_EXTERN_C
527  	#endif
528  	
529  	
530  	// First includes.
531  	
532  	// Pick up any OS-specific definitions.
533  	#include <bits/os_defines.h>
534  	
535  	// Pick up any CPU-specific definitions.
536  	#include <bits/cpu_defines.h>
537  	
538  	// If platform uses neither visibility nor psuedo-visibility,
539  	// specify empty default for namespace annotation macros.
540  	#ifndef _GLIBCXX_PSEUDO_VISIBILITY
541  	# define _GLIBCXX_PSEUDO_VISIBILITY(V)
542  	#endif
543  	
544  	// Certain function definitions that are meant to be overridable from
545  	// user code are decorated with this macro.  For some targets, this
546  	// macro causes these definitions to be weak.
547  	#ifndef _GLIBCXX_WEAK_DEFINITION
548  	# define _GLIBCXX_WEAK_DEFINITION
549  	#endif
550  	
551  	// By default, we assume that __GXX_WEAK__ also means that there is support
552  	// for declaring functions as weak while not defining such functions.  This
553  	// allows for referring to functions provided by other libraries (e.g.,
554  	// libitm) without depending on them if the respective features are not used.
555  	#ifndef _GLIBCXX_USE_WEAK_REF
556  	# define _GLIBCXX_USE_WEAK_REF __GXX_WEAK__
557  	#endif
558  	
559  	// Conditionally enable annotations for the Transactional Memory TS on C++11.
560  	// Most of the following conditions are due to limitations in the current
561  	// implementation.
562  	#if __cplusplus >= 201103L && _GLIBCXX_USE_CXX11_ABI			\
563  	  && _GLIBCXX_USE_DUAL_ABI && __cpp_transactional_memory >= 201505L	\
564  	  &&  !_GLIBCXX_FULLY_DYNAMIC_STRING && _GLIBCXX_USE_WEAK_REF		\
565  	  && _GLIBCXX_USE_ALLOCATOR_NEW
566  	#define _GLIBCXX_TXN_SAFE transaction_safe
567  	#define _GLIBCXX_TXN_SAFE_DYN transaction_safe_dynamic
568  	#else
569  	#define _GLIBCXX_TXN_SAFE
570  	#define _GLIBCXX_TXN_SAFE_DYN
571  	#endif
572  	
573  	#if __cplusplus > 201402L
574  	// In C++17 mathematical special functions are in namespace std.
575  	# define _GLIBCXX_USE_STD_SPEC_FUNCS 1
576  	#elif __cplusplus >= 201103L && __STDCPP_WANT_MATH_SPEC_FUNCS__ != 0
577  	// For C++11 and C++14 they are in namespace std when requested.
578  	# define _GLIBCXX_USE_STD_SPEC_FUNCS 1
579  	#endif
580  	
581  	// The remainder of the prewritten config is automatic; all the
582  	// user hooks are listed above.
583  	
584  	// Create a boolean flag to be used to determine if --fast-math is set.
585  	#ifdef __FAST_MATH__
586  	# define _GLIBCXX_FAST_MATH 1
587  	#else
588  	# define _GLIBCXX_FAST_MATH 0
589  	#endif
590  	
591  	// This marks string literals in header files to be extracted for eventual
592  	// translation.  It is primarily used for messages in thrown exceptions; see
593  	// src/functexcept.cc.  We use __N because the more traditional _N is used
594  	// for something else under certain OSes (see BADNAMES).
595  	#define __N(msgid)     (msgid)
596  	
597  	// For example, <windows.h> is known to #define min and max as macros...
598  	#undef min
599  	#undef max
600  	
601  	// N.B. these _GLIBCXX_USE_C99_XXX macros are defined unconditionally
602  	// so they should be tested with #if not with #ifdef.
603  	#if __cplusplus >= 201103L
604  	# ifndef _GLIBCXX_USE_C99_MATH
605  	#  define _GLIBCXX_USE_C99_MATH _GLIBCXX11_USE_C99_MATH
606  	# endif
607  	# ifndef _GLIBCXX_USE_C99_COMPLEX
608  	# define _GLIBCXX_USE_C99_COMPLEX _GLIBCXX11_USE_C99_COMPLEX
609  	# endif
610  	# ifndef _GLIBCXX_USE_C99_STDIO
611  	# define _GLIBCXX_USE_C99_STDIO _GLIBCXX11_USE_C99_STDIO
612  	# endif
613  	# ifndef _GLIBCXX_USE_C99_STDLIB
614  	# define _GLIBCXX_USE_C99_STDLIB _GLIBCXX11_USE_C99_STDLIB
615  	# endif
616  	# ifndef _GLIBCXX_USE_C99_WCHAR
617  	# define _GLIBCXX_USE_C99_WCHAR _GLIBCXX11_USE_C99_WCHAR
618  	# endif
619  	#else
620  	# ifndef _GLIBCXX_USE_C99_MATH
621  	#  define _GLIBCXX_USE_C99_MATH _GLIBCXX98_USE_C99_MATH
622  	# endif
623  	# ifndef _GLIBCXX_USE_C99_COMPLEX
624  	# define _GLIBCXX_USE_C99_COMPLEX _GLIBCXX98_USE_C99_COMPLEX
625  	# endif
626  	# ifndef _GLIBCXX_USE_C99_STDIO
627  	# define _GLIBCXX_USE_C99_STDIO _GLIBCXX98_USE_C99_STDIO
628  	# endif
629  	# ifndef _GLIBCXX_USE_C99_STDLIB
630  	# define _GLIBCXX_USE_C99_STDLIB _GLIBCXX98_USE_C99_STDLIB
631  	# endif
632  	# ifndef _GLIBCXX_USE_C99_WCHAR
633  	# define _GLIBCXX_USE_C99_WCHAR _GLIBCXX98_USE_C99_WCHAR
634  	# endif
635  	#endif
636  	
637  	/* Define if __float128 is supported on this host. */
638  	#if defined(__FLOAT128__) || defined(__SIZEOF_FLOAT128__)
639  	#define _GLIBCXX_USE_FLOAT128 1
640  	#endif
641  	
642  	// End of prewritten config; the settings discovered at configure time follow.
643  	/* config.h.  Generated from config.h.in by configure.  */
644  	/* config.h.in.  Generated from configure.ac by autoheader.  */
645  	
646  	/* Define to 1 if you have the `acosf' function. */
647  	#define _GLIBCXX_HAVE_ACOSF 1
648  	
649  	/* Define to 1 if you have the `acosl' function. */
650  	#define _GLIBCXX_HAVE_ACOSL 1
651  	
652  	/* Define to 1 if you have the `aligned_alloc' function. */
653  	/* #undef _GLIBCXX_HAVE_ALIGNED_ALLOC */
654  	
655  	/* Define to 1 if you have the `asinf' function. */
656  	#define _GLIBCXX_HAVE_ASINF 1
657  	
658  	/* Define to 1 if you have the `asinl' function. */
659  	#define _GLIBCXX_HAVE_ASINL 1
660  	
661  	/* Define to 1 if the target assembler supports .symver directive. */
662  	#define _GLIBCXX_HAVE_AS_SYMVER_DIRECTIVE 1
663  	
664  	/* Define to 1 if you have the `atan2f' function. */
665  	#define _GLIBCXX_HAVE_ATAN2F 1
666  	
667  	/* Define to 1 if you have the `atan2l' function. */
668  	#define _GLIBCXX_HAVE_ATAN2L 1
669  	
670  	/* Define to 1 if you have the `atanf' function. */
671  	#define _GLIBCXX_HAVE_ATANF 1
672  	
673  	/* Define to 1 if you have the `atanl' function. */
674  	#define _GLIBCXX_HAVE_ATANL 1
675  	
676  	/* Define to 1 if you have the `at_quick_exit' function. */
677  	#define _GLIBCXX_HAVE_AT_QUICK_EXIT 1
678  	
679  	/* Define to 1 if the target assembler supports thread-local storage. */
680  	/* #undef _GLIBCXX_HAVE_CC_TLS */
681  	
682  	/* Define to 1 if you have the `ceilf' function. */
683  	#define _GLIBCXX_HAVE_CEILF 1
684  	
685  	/* Define to 1 if you have the `ceill' function. */
686  	#define _GLIBCXX_HAVE_CEILL 1
687  	
688  	/* Define to 1 if you have the <complex.h> header file. */
689  	#define _GLIBCXX_HAVE_COMPLEX_H 1
690  	
691  	/* Define to 1 if you have the `cosf' function. */
692  	#define _GLIBCXX_HAVE_COSF 1
693  	
694  	/* Define to 1 if you have the `coshf' function. */
695  	#define _GLIBCXX_HAVE_COSHF 1
696  	
697  	/* Define to 1 if you have the `coshl' function. */
698  	#define _GLIBCXX_HAVE_COSHL 1
699  	
700  	/* Define to 1 if you have the `cosl' function. */
701  	#define _GLIBCXX_HAVE_COSL 1
702  	
703  	/* Define to 1 if you have the <dirent.h> header file. */
704  	#define _GLIBCXX_HAVE_DIRENT_H 1
705  	
706  	/* Define to 1 if you have the <dlfcn.h> header file. */
707  	#define _GLIBCXX_HAVE_DLFCN_H 1
708  	
709  	/* Define if EBADMSG exists. */
710  	#define _GLIBCXX_HAVE_EBADMSG 1
711  	
712  	/* Define if ECANCELED exists. */
713  	#define _GLIBCXX_HAVE_ECANCELED 1
714  	
715  	/* Define if ECHILD exists. */
716  	#define _GLIBCXX_HAVE_ECHILD 1
717  	
718  	/* Define if EIDRM exists. */
719  	#define _GLIBCXX_HAVE_EIDRM 1
720  	
721  	/* Define to 1 if you have the <endian.h> header file. */
722  	#define _GLIBCXX_HAVE_ENDIAN_H 1
723  	
724  	/* Define if ENODATA exists. */
725  	#define _GLIBCXX_HAVE_ENODATA 1
726  	
727  	/* Define if ENOLINK exists. */
728  	#define _GLIBCXX_HAVE_ENOLINK 1
729  	
730  	/* Define if ENOSPC exists. */
731  	#define _GLIBCXX_HAVE_ENOSPC 1
732  	
733  	/* Define if ENOSR exists. */
734  	#define _GLIBCXX_HAVE_ENOSR 1
735  	
736  	/* Define if ENOSTR exists. */
737  	#define _GLIBCXX_HAVE_ENOSTR 1
738  	
739  	/* Define if ENOTRECOVERABLE exists. */
740  	#define _GLIBCXX_HAVE_ENOTRECOVERABLE 1
741  	
742  	/* Define if ENOTSUP exists. */
743  	#define _GLIBCXX_HAVE_ENOTSUP 1
744  	
745  	/* Define if EOVERFLOW exists. */
746  	#define _GLIBCXX_HAVE_EOVERFLOW 1
747  	
748  	/* Define if EOWNERDEAD exists. */
749  	#define _GLIBCXX_HAVE_EOWNERDEAD 1
750  	
751  	/* Define if EPERM exists. */
752  	#define _GLIBCXX_HAVE_EPERM 1
753  	
754  	/* Define if EPROTO exists. */
755  	#define _GLIBCXX_HAVE_EPROTO 1
756  	
757  	/* Define if ETIME exists. */
758  	#define _GLIBCXX_HAVE_ETIME 1
759  	
760  	/* Define if ETIMEDOUT exists. */
761  	#define _GLIBCXX_HAVE_ETIMEDOUT 1
762  	
763  	/* Define if ETXTBSY exists. */
764  	#define _GLIBCXX_HAVE_ETXTBSY 1
765  	
766  	/* Define if EWOULDBLOCK exists. */
767  	#define _GLIBCXX_HAVE_EWOULDBLOCK 1
768  	
769  	/* Define to 1 if GCC 4.6 supported std::exception_ptr for the target */
770  	#define _GLIBCXX_HAVE_EXCEPTION_PTR_SINCE_GCC46 1
771  	
772  	/* Define to 1 if you have the <execinfo.h> header file. */
773  	#define _GLIBCXX_HAVE_EXECINFO_H 1
774  	
775  	/* Define to 1 if you have the `expf' function. */
776  	#define _GLIBCXX_HAVE_EXPF 1
777  	
778  	/* Define to 1 if you have the `expl' function. */
779  	#define _GLIBCXX_HAVE_EXPL 1
780  	
781  	/* Define to 1 if you have the `fabsf' function. */
782  	#define _GLIBCXX_HAVE_FABSF 1
783  	
784  	/* Define to 1 if you have the `fabsl' function. */
785  	#define _GLIBCXX_HAVE_FABSL 1
786  	
787  	/* Define to 1 if you have the <fcntl.h> header file. */
788  	#define _GLIBCXX_HAVE_FCNTL_H 1
789  	
790  	/* Define to 1 if you have the <fenv.h> header file. */
791  	#define _GLIBCXX_HAVE_FENV_H 1
792  	
793  	/* Define to 1 if you have the `finite' function. */
794  	#define _GLIBCXX_HAVE_FINITE 1
795  	
796  	/* Define to 1 if you have the `finitef' function. */
797  	#define _GLIBCXX_HAVE_FINITEF 1
798  	
799  	/* Define to 1 if you have the `finitel' function. */
800  	#define _GLIBCXX_HAVE_FINITEL 1
801  	
802  	/* Define to 1 if you have the <float.h> header file. */
803  	#define _GLIBCXX_HAVE_FLOAT_H 1
804  	
805  	/* Define to 1 if you have the `floorf' function. */
806  	#define _GLIBCXX_HAVE_FLOORF 1
807  	
808  	/* Define to 1 if you have the `floorl' function. */
809  	#define _GLIBCXX_HAVE_FLOORL 1
810  	
811  	/* Define to 1 if you have the `fmodf' function. */
812  	#define _GLIBCXX_HAVE_FMODF 1
813  	
814  	/* Define to 1 if you have the `fmodl' function. */
815  	#define _GLIBCXX_HAVE_FMODL 1
816  	
817  	/* Define to 1 if you have the `fpclass' function. */
818  	/* #undef _GLIBCXX_HAVE_FPCLASS */
819  	
820  	/* Define to 1 if you have the <fp.h> header file. */
821  	/* #undef _GLIBCXX_HAVE_FP_H */
822  	
823  	/* Define to 1 if you have the `frexpf' function. */
824  	#define _GLIBCXX_HAVE_FREXPF 1
825  	
826  	/* Define to 1 if you have the `frexpl' function. */
827  	#define _GLIBCXX_HAVE_FREXPL 1
828  	
829  	/* Define if _Unwind_GetIPInfo is available. */
830  	#define _GLIBCXX_HAVE_GETIPINFO 1
831  	
832  	/* Define if gets is available in <stdio.h> before C++14. */
833  	#define _GLIBCXX_HAVE_GETS 1
834  	
835  	/* Define to 1 if you have the `hypot' function. */
836  	#define _GLIBCXX_HAVE_HYPOT 1
837  	
838  	/* Define to 1 if you have the `hypotf' function. */
839  	#define _GLIBCXX_HAVE_HYPOTF 1
840  	
841  	/* Define to 1 if you have the `hypotl' function. */
842  	#define _GLIBCXX_HAVE_HYPOTL 1
843  	
844  	/* Define if you have the iconv() function. */
845  	#define _GLIBCXX_HAVE_ICONV 1
846  	
847  	/* Define to 1 if you have the <ieeefp.h> header file. */
848  	/* #undef _GLIBCXX_HAVE_IEEEFP_H */
849  	
850  	/* Define if int64_t is available in <stdint.h>. */
851  	#define _GLIBCXX_HAVE_INT64_T 1
852  	
853  	/* Define if int64_t is a long. */
854  	#define _GLIBCXX_HAVE_INT64_T_LONG 1
855  	
856  	/* Define if int64_t is a long long. */
857  	/* #undef _GLIBCXX_HAVE_INT64_T_LONG_LONG */
858  	
859  	/* Define to 1 if you have the <inttypes.h> header file. */
860  	#define _GLIBCXX_HAVE_INTTYPES_H 1
861  	
862  	/* Define to 1 if you have the `isinf' function. */
863  	#define _GLIBCXX_HAVE_ISINF 1
864  	
865  	/* Define to 1 if you have the `isinff' function. */
866  	#define _GLIBCXX_HAVE_ISINFF 1
867  	
868  	/* Define to 1 if you have the `isinfl' function. */
869  	#define _GLIBCXX_HAVE_ISINFL 1
870  	
871  	/* Define to 1 if you have the `isnan' function. */
872  	#define _GLIBCXX_HAVE_ISNAN 1
873  	
874  	/* Define to 1 if you have the `isnanf' function. */
875  	#define _GLIBCXX_HAVE_ISNANF 1
876  	
877  	/* Define to 1 if you have the `isnanl' function. */
878  	#define _GLIBCXX_HAVE_ISNANL 1
879  	
880  	/* Defined if iswblank exists. */
881  	#define _GLIBCXX_HAVE_ISWBLANK 1
882  	
883  	/* Define if LC_MESSAGES is available in <locale.h>. */
884  	#define _GLIBCXX_HAVE_LC_MESSAGES 1
885  	
886  	/* Define to 1 if you have the `ldexpf' function. */
887  	#define _GLIBCXX_HAVE_LDEXPF 1
888  	
889  	/* Define to 1 if you have the `ldexpl' function. */
890  	#define _GLIBCXX_HAVE_LDEXPL 1
891  	
892  	/* Define to 1 if you have the <libintl.h> header file. */
893  	#define _GLIBCXX_HAVE_LIBINTL_H 1
894  	
895  	/* Only used in build directory testsuite_hooks.h. */
896  	#define _GLIBCXX_HAVE_LIMIT_AS 1
897  	
898  	/* Only used in build directory testsuite_hooks.h. */
899  	#define _GLIBCXX_HAVE_LIMIT_DATA 1
900  	
901  	/* Only used in build directory testsuite_hooks.h. */
902  	#define _GLIBCXX_HAVE_LIMIT_FSIZE 1
903  	
904  	/* Only used in build directory testsuite_hooks.h. */
905  	#define _GLIBCXX_HAVE_LIMIT_RSS 1
906  	
907  	/* Only used in build directory testsuite_hooks.h. */
908  	#define _GLIBCXX_HAVE_LIMIT_VMEM 0
909  	
910  	/* Define if futex syscall is available. */
911  	#define _GLIBCXX_HAVE_LINUX_FUTEX 1
912  	
913  	/* Define to 1 if you have the <locale.h> header file. */
914  	#define _GLIBCXX_HAVE_LOCALE_H 1
915  	
916  	/* Define to 1 if you have the `log10f' function. */
917  	#define _GLIBCXX_HAVE_LOG10F 1
918  	
919  	/* Define to 1 if you have the `log10l' function. */
920  	#define _GLIBCXX_HAVE_LOG10L 1
921  	
922  	/* Define to 1 if you have the `logf' function. */
923  	#define _GLIBCXX_HAVE_LOGF 1
924  	
925  	/* Define to 1 if you have the `logl' function. */
926  	#define _GLIBCXX_HAVE_LOGL 1
927  	
928  	/* Define to 1 if you have the <machine/endian.h> header file. */
929  	/* #undef _GLIBCXX_HAVE_MACHINE_ENDIAN_H */
930  	
931  	/* Define to 1 if you have the <machine/param.h> header file. */
932  	/* #undef _GLIBCXX_HAVE_MACHINE_PARAM_H */
933  	
934  	/* Define if mbstate_t exists in wchar.h. */
935  	#define _GLIBCXX_HAVE_MBSTATE_T 1
936  	
937  	/* Define to 1 if you have the `memalign' function. */
938  	#define _GLIBCXX_HAVE_MEMALIGN 1
939  	
940  	/* Define to 1 if you have the <memory.h> header file. */
941  	#define _GLIBCXX_HAVE_MEMORY_H 1
942  	
943  	/* Define to 1 if you have the `modf' function. */
944  	#define _GLIBCXX_HAVE_MODF 1
945  	
946  	/* Define to 1 if you have the `modff' function. */
947  	#define _GLIBCXX_HAVE_MODFF 1
948  	
949  	/* Define to 1 if you have the `modfl' function. */
950  	#define _GLIBCXX_HAVE_MODFL 1
951  	
952  	/* Define to 1 if you have the <nan.h> header file. */
953  	/* #undef _GLIBCXX_HAVE_NAN_H */
954  	
955  	/* Define if <math.h> defines obsolete isinf function. */
956  	#define _GLIBCXX_HAVE_OBSOLETE_ISINF 1
957  	
958  	/* Define if <math.h> defines obsolete isnan function. */
959  	#define _GLIBCXX_HAVE_OBSOLETE_ISNAN 1
960  	
961  	/* Define if poll is available in <poll.h>. */
962  	#define _GLIBCXX_HAVE_POLL 1
963  	
964  	/* Define to 1 if you have the `posix_memalign' function. */
965  	#define _GLIBCXX_HAVE_POSIX_MEMALIGN 1
966  	
967  	/* Define to 1 if you have the `powf' function. */
968  	#define _GLIBCXX_HAVE_POWF 1
969  	
970  	/* Define to 1 if you have the `powl' function. */
971  	#define _GLIBCXX_HAVE_POWL 1
972  	
973  	/* Define to 1 if you have the `qfpclass' function. */
974  	/* #undef _GLIBCXX_HAVE_QFPCLASS */
975  	
976  	/* Define to 1 if you have the `quick_exit' function. */
977  	#define _GLIBCXX_HAVE_QUICK_EXIT 1
978  	
979  	/* Define to 1 if you have the `setenv' function. */
980  	#define _GLIBCXX_HAVE_SETENV 1
981  	
982  	/* Define to 1 if you have the `sincos' function. */
983  	#define _GLIBCXX_HAVE_SINCOS 1
984  	
985  	/* Define to 1 if you have the `sincosf' function. */
986  	#define _GLIBCXX_HAVE_SINCOSF 1
987  	
988  	/* Define to 1 if you have the `sincosl' function. */
989  	#define _GLIBCXX_HAVE_SINCOSL 1
990  	
991  	/* Define to 1 if you have the `sinf' function. */
992  	#define _GLIBCXX_HAVE_SINF 1
993  	
994  	/* Define to 1 if you have the `sinhf' function. */
995  	#define _GLIBCXX_HAVE_SINHF 1
996  	
997  	/* Define to 1 if you have the `sinhl' function. */
998  	#define _GLIBCXX_HAVE_SINHL 1
999  	
1000 	/* Define to 1 if you have the `sinl' function. */
1001 	#define _GLIBCXX_HAVE_SINL 1
1002 	
1003 	/* Defined if sleep exists. */
1004 	/* #undef _GLIBCXX_HAVE_SLEEP */
1005 	
1006 	/* Define to 1 if you have the `sqrtf' function. */
1007 	#define _GLIBCXX_HAVE_SQRTF 1
1008 	
1009 	/* Define to 1 if you have the `sqrtl' function. */
1010 	#define _GLIBCXX_HAVE_SQRTL 1
1011 	
1012 	/* Define to 1 if you have the <stdalign.h> header file. */
1013 	#define _GLIBCXX_HAVE_STDALIGN_H 1
1014 	
1015 	/* Define to 1 if you have the <stdbool.h> header file. */
1016 	#define _GLIBCXX_HAVE_STDBOOL_H 1
1017 	
1018 	/* Define to 1 if you have the <stdint.h> header file. */
1019 	#define _GLIBCXX_HAVE_STDINT_H 1
1020 	
1021 	/* Define to 1 if you have the <stdlib.h> header file. */
1022 	#define _GLIBCXX_HAVE_STDLIB_H 1
1023 	
1024 	/* Define if strerror_l is available in <string.h>. */
1025 	#define _GLIBCXX_HAVE_STRERROR_L 1
1026 	
1027 	/* Define if strerror_r is available in <string.h>. */
1028 	#define _GLIBCXX_HAVE_STRERROR_R 1
1029 	
1030 	/* Define to 1 if you have the <strings.h> header file. */
1031 	#define _GLIBCXX_HAVE_STRINGS_H 1
1032 	
1033 	/* Define to 1 if you have the <string.h> header file. */
1034 	#define _GLIBCXX_HAVE_STRING_H 1
1035 	
1036 	/* Define to 1 if you have the `strtof' function. */
1037 	#define _GLIBCXX_HAVE_STRTOF 1
1038 	
1039 	/* Define to 1 if you have the `strtold' function. */
1040 	#define _GLIBCXX_HAVE_STRTOLD 1
1041 	
1042 	/* Define to 1 if `d_type' is a member of `struct dirent'. */
1043 	#define _GLIBCXX_HAVE_STRUCT_DIRENT_D_TYPE 1
1044 	
1045 	/* Define if strxfrm_l is available in <string.h>. */
1046 	#define _GLIBCXX_HAVE_STRXFRM_L 1
1047 	
1048 	/* Define to 1 if the target runtime linker supports binding the same symbol
1049 	   to different versions. */
1050 	#define _GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT 1
1051 	
1052 	/* Define to 1 if you have the <sys/filio.h> header file. */
1053 	/* #undef _GLIBCXX_HAVE_SYS_FILIO_H */
1054 	
1055 	/* Define to 1 if you have the <sys/ioctl.h> header file. */
1056 	#define _GLIBCXX_HAVE_SYS_IOCTL_H 1
1057 	
1058 	/* Define to 1 if you have the <sys/ipc.h> header file. */
1059 	#define _GLIBCXX_HAVE_SYS_IPC_H 1
1060 	
1061 	/* Define to 1 if you have the <sys/isa_defs.h> header file. */
1062 	/* #undef _GLIBCXX_HAVE_SYS_ISA_DEFS_H */
1063 	
1064 	/* Define to 1 if you have the <sys/machine.h> header file. */
1065 	/* #undef _GLIBCXX_HAVE_SYS_MACHINE_H */
1066 	
1067 	/* Define to 1 if you have the <sys/param.h> header file. */
1068 	#define _GLIBCXX_HAVE_SYS_PARAM_H 1
1069 	
1070 	/* Define to 1 if you have the <sys/resource.h> header file. */
1071 	#define _GLIBCXX_HAVE_SYS_RESOURCE_H 1
1072 	
1073 	/* Define to 1 if you have a suitable <sys/sdt.h> header file */
1074 	#define _GLIBCXX_HAVE_SYS_SDT_H 1
1075 	
1076 	/* Define to 1 if you have the <sys/sem.h> header file. */
1077 	#define _GLIBCXX_HAVE_SYS_SEM_H 1
1078 	
1079 	/* Define to 1 if you have the <sys/statvfs.h> header file. */
1080 	#define _GLIBCXX_HAVE_SYS_STATVFS_H 1
1081 	
1082 	/* Define to 1 if you have the <sys/stat.h> header file. */
1083 	#define _GLIBCXX_HAVE_SYS_STAT_H 1
1084 	
1085 	/* Define to 1 if you have the <sys/sysinfo.h> header file. */
1086 	#define _GLIBCXX_HAVE_SYS_SYSINFO_H 1
1087 	
1088 	/* Define to 1 if you have the <sys/time.h> header file. */
1089 	#define _GLIBCXX_HAVE_SYS_TIME_H 1
1090 	
1091 	/* Define to 1 if you have the <sys/types.h> header file. */
1092 	#define _GLIBCXX_HAVE_SYS_TYPES_H 1
1093 	
1094 	/* Define to 1 if you have the <sys/uio.h> header file. */
1095 	#define _GLIBCXX_HAVE_SYS_UIO_H 1
1096 	
1097 	/* Define if S_IFREG is available in <sys/stat.h>. */
1098 	/* #undef _GLIBCXX_HAVE_S_IFREG */
1099 	
1100 	/* Define if S_ISREG is available in <sys/stat.h>. */
1101 	#define _GLIBCXX_HAVE_S_ISREG 1
1102 	
1103 	/* Define to 1 if you have the `tanf' function. */
1104 	#define _GLIBCXX_HAVE_TANF 1
1105 	
1106 	/* Define to 1 if you have the `tanhf' function. */
1107 	#define _GLIBCXX_HAVE_TANHF 1
1108 	
1109 	/* Define to 1 if you have the `tanhl' function. */
1110 	#define _GLIBCXX_HAVE_TANHL 1
1111 	
1112 	/* Define to 1 if you have the `tanl' function. */
1113 	#define _GLIBCXX_HAVE_TANL 1
1114 	
1115 	/* Define to 1 if you have the <tgmath.h> header file. */
1116 	#define _GLIBCXX_HAVE_TGMATH_H 1
1117 	
1118 	/* Define to 1 if the target supports thread-local storage. */
1119 	#define _GLIBCXX_HAVE_TLS 1
1120 	
1121 	/* Define to 1 if you have the <uchar.h> header file. */
1122 	/* #undef _GLIBCXX_HAVE_UCHAR_H */
1123 	
1124 	/* Define to 1 if you have the <unistd.h> header file. */
1125 	#define _GLIBCXX_HAVE_UNISTD_H 1
1126 	
1127 	/* Defined if usleep exists. */
1128 	/* #undef _GLIBCXX_HAVE_USLEEP */
1129 	
1130 	/* Define to 1 if you have the <utime.h> header file. */
1131 	#define _GLIBCXX_HAVE_UTIME_H 1
1132 	
1133 	/* Defined if vfwscanf exists. */
1134 	#define _GLIBCXX_HAVE_VFWSCANF 1
1135 	
1136 	/* Defined if vswscanf exists. */
1137 	#define _GLIBCXX_HAVE_VSWSCANF 1
1138 	
1139 	/* Defined if vwscanf exists. */
1140 	#define _GLIBCXX_HAVE_VWSCANF 1
1141 	
1142 	/* Define to 1 if you have the <wchar.h> header file. */
1143 	#define _GLIBCXX_HAVE_WCHAR_H 1
1144 	
1145 	/* Defined if wcstof exists. */
1146 	#define _GLIBCXX_HAVE_WCSTOF 1
1147 	
1148 	/* Define to 1 if you have the <wctype.h> header file. */
1149 	#define _GLIBCXX_HAVE_WCTYPE_H 1
1150 	
1151 	/* Defined if Sleep exists. */
1152 	/* #undef _GLIBCXX_HAVE_WIN32_SLEEP */
1153 	
1154 	/* Define if writev is available in <sys/uio.h>. */
1155 	#define _GLIBCXX_HAVE_WRITEV 1
1156 	
1157 	/* Define to 1 if you have the `_acosf' function. */
1158 	/* #undef _GLIBCXX_HAVE__ACOSF */
1159 	
1160 	/* Define to 1 if you have the `_acosl' function. */
1161 	/* #undef _GLIBCXX_HAVE__ACOSL */
1162 	
1163 	/* Define to 1 if you have the `_aligned_malloc' function. */
1164 	/* #undef _GLIBCXX_HAVE__ALIGNED_MALLOC */
1165 	
1166 	/* Define to 1 if you have the `_asinf' function. */
1167 	/* #undef _GLIBCXX_HAVE__ASINF */
1168 	
1169 	/* Define to 1 if you have the `_asinl' function. */
1170 	/* #undef _GLIBCXX_HAVE__ASINL */
1171 	
1172 	/* Define to 1 if you have the `_atan2f' function. */
1173 	/* #undef _GLIBCXX_HAVE__ATAN2F */
1174 	
1175 	/* Define to 1 if you have the `_atan2l' function. */
1176 	/* #undef _GLIBCXX_HAVE__ATAN2L */
1177 	
1178 	/* Define to 1 if you have the `_atanf' function. */
1179 	/* #undef _GLIBCXX_HAVE__ATANF */
1180 	
1181 	/* Define to 1 if you have the `_atanl' function. */
1182 	/* #undef _GLIBCXX_HAVE__ATANL */
1183 	
1184 	/* Define to 1 if you have the `_ceilf' function. */
1185 	/* #undef _GLIBCXX_HAVE__CEILF */
1186 	
1187 	/* Define to 1 if you have the `_ceill' function. */
1188 	/* #undef _GLIBCXX_HAVE__CEILL */
1189 	
1190 	/* Define to 1 if you have the `_cosf' function. */
1191 	/* #undef _GLIBCXX_HAVE__COSF */
1192 	
1193 	/* Define to 1 if you have the `_coshf' function. */
1194 	/* #undef _GLIBCXX_HAVE__COSHF */
1195 	
1196 	/* Define to 1 if you have the `_coshl' function. */
1197 	/* #undef _GLIBCXX_HAVE__COSHL */
1198 	
1199 	/* Define to 1 if you have the `_cosl' function. */
1200 	/* #undef _GLIBCXX_HAVE__COSL */
1201 	
1202 	/* Define to 1 if you have the `_expf' function. */
1203 	/* #undef _GLIBCXX_HAVE__EXPF */
1204 	
1205 	/* Define to 1 if you have the `_expl' function. */
1206 	/* #undef _GLIBCXX_HAVE__EXPL */
1207 	
1208 	/* Define to 1 if you have the `_fabsf' function. */
1209 	/* #undef _GLIBCXX_HAVE__FABSF */
1210 	
1211 	/* Define to 1 if you have the `_fabsl' function. */
1212 	/* #undef _GLIBCXX_HAVE__FABSL */
1213 	
1214 	/* Define to 1 if you have the `_finite' function. */
1215 	/* #undef _GLIBCXX_HAVE__FINITE */
1216 	
1217 	/* Define to 1 if you have the `_finitef' function. */
1218 	/* #undef _GLIBCXX_HAVE__FINITEF */
1219 	
1220 	/* Define to 1 if you have the `_finitel' function. */
1221 	/* #undef _GLIBCXX_HAVE__FINITEL */
1222 	
1223 	/* Define to 1 if you have the `_floorf' function. */
1224 	/* #undef _GLIBCXX_HAVE__FLOORF */
1225 	
1226 	/* Define to 1 if you have the `_floorl' function. */
1227 	/* #undef _GLIBCXX_HAVE__FLOORL */
1228 	
1229 	/* Define to 1 if you have the `_fmodf' function. */
1230 	/* #undef _GLIBCXX_HAVE__FMODF */
1231 	
1232 	/* Define to 1 if you have the `_fmodl' function. */
1233 	/* #undef _GLIBCXX_HAVE__FMODL */
1234 	
1235 	/* Define to 1 if you have the `_fpclass' function. */
1236 	/* #undef _GLIBCXX_HAVE__FPCLASS */
1237 	
1238 	/* Define to 1 if you have the `_frexpf' function. */
1239 	/* #undef _GLIBCXX_HAVE__FREXPF */
1240 	
1241 	/* Define to 1 if you have the `_frexpl' function. */
1242 	/* #undef _GLIBCXX_HAVE__FREXPL */
1243 	
1244 	/* Define to 1 if you have the `_hypot' function. */
1245 	/* #undef _GLIBCXX_HAVE__HYPOT */
1246 	
1247 	/* Define to 1 if you have the `_hypotf' function. */
1248 	/* #undef _GLIBCXX_HAVE__HYPOTF */
1249 	
1250 	/* Define to 1 if you have the `_hypotl' function. */
1251 	/* #undef _GLIBCXX_HAVE__HYPOTL */
1252 	
1253 	/* Define to 1 if you have the `_isinf' function. */
1254 	/* #undef _GLIBCXX_HAVE__ISINF */
1255 	
1256 	/* Define to 1 if you have the `_isinff' function. */
1257 	/* #undef _GLIBCXX_HAVE__ISINFF */
1258 	
1259 	/* Define to 1 if you have the `_isinfl' function. */
1260 	/* #undef _GLIBCXX_HAVE__ISINFL */
1261 	
1262 	/* Define to 1 if you have the `_isnan' function. */
1263 	/* #undef _GLIBCXX_HAVE__ISNAN */
1264 	
1265 	/* Define to 1 if you have the `_isnanf' function. */
1266 	/* #undef _GLIBCXX_HAVE__ISNANF */
1267 	
1268 	/* Define to 1 if you have the `_isnanl' function. */
1269 	/* #undef _GLIBCXX_HAVE__ISNANL */
1270 	
1271 	/* Define to 1 if you have the `_ldexpf' function. */
1272 	/* #undef _GLIBCXX_HAVE__LDEXPF */
1273 	
1274 	/* Define to 1 if you have the `_ldexpl' function. */
1275 	/* #undef _GLIBCXX_HAVE__LDEXPL */
1276 	
1277 	/* Define to 1 if you have the `_log10f' function. */
1278 	/* #undef _GLIBCXX_HAVE__LOG10F */
1279 	
1280 	/* Define to 1 if you have the `_log10l' function. */
1281 	/* #undef _GLIBCXX_HAVE__LOG10L */
1282 	
1283 	/* Define to 1 if you have the `_logf' function. */
1284 	/* #undef _GLIBCXX_HAVE__LOGF */
1285 	
1286 	/* Define to 1 if you have the `_logl' function. */
1287 	/* #undef _GLIBCXX_HAVE__LOGL */
1288 	
1289 	/* Define to 1 if you have the `_modf' function. */
1290 	/* #undef _GLIBCXX_HAVE__MODF */
1291 	
1292 	/* Define to 1 if you have the `_modff' function. */
1293 	/* #undef _GLIBCXX_HAVE__MODFF */
1294 	
1295 	/* Define to 1 if you have the `_modfl' function. */
1296 	/* #undef _GLIBCXX_HAVE__MODFL */
1297 	
1298 	/* Define to 1 if you have the `_powf' function. */
1299 	/* #undef _GLIBCXX_HAVE__POWF */
1300 	
1301 	/* Define to 1 if you have the `_powl' function. */
1302 	/* #undef _GLIBCXX_HAVE__POWL */
1303 	
1304 	/* Define to 1 if you have the `_qfpclass' function. */
1305 	/* #undef _GLIBCXX_HAVE__QFPCLASS */
1306 	
1307 	/* Define to 1 if you have the `_sincos' function. */
1308 	/* #undef _GLIBCXX_HAVE__SINCOS */
1309 	
1310 	/* Define to 1 if you have the `_sincosf' function. */
1311 	/* #undef _GLIBCXX_HAVE__SINCOSF */
1312 	
1313 	/* Define to 1 if you have the `_sincosl' function. */
1314 	/* #undef _GLIBCXX_HAVE__SINCOSL */
1315 	
1316 	/* Define to 1 if you have the `_sinf' function. */
1317 	/* #undef _GLIBCXX_HAVE__SINF */
1318 	
1319 	/* Define to 1 if you have the `_sinhf' function. */
1320 	/* #undef _GLIBCXX_HAVE__SINHF */
1321 	
1322 	/* Define to 1 if you have the `_sinhl' function. */
1323 	/* #undef _GLIBCXX_HAVE__SINHL */
1324 	
1325 	/* Define to 1 if you have the `_sinl' function. */
1326 	/* #undef _GLIBCXX_HAVE__SINL */
1327 	
1328 	/* Define to 1 if you have the `_sqrtf' function. */
1329 	/* #undef _GLIBCXX_HAVE__SQRTF */
1330 	
1331 	/* Define to 1 if you have the `_sqrtl' function. */
1332 	/* #undef _GLIBCXX_HAVE__SQRTL */
1333 	
1334 	/* Define to 1 if you have the `_tanf' function. */
1335 	/* #undef _GLIBCXX_HAVE__TANF */
1336 	
1337 	/* Define to 1 if you have the `_tanhf' function. */
1338 	/* #undef _GLIBCXX_HAVE__TANHF */
1339 	
1340 	/* Define to 1 if you have the `_tanhl' function. */
1341 	/* #undef _GLIBCXX_HAVE__TANHL */
1342 	
1343 	/* Define to 1 if you have the `_tanl' function. */
1344 	/* #undef _GLIBCXX_HAVE__TANL */
1345 	
1346 	/* Define to 1 if you have the `__cxa_thread_atexit' function. */
1347 	/* #undef _GLIBCXX_HAVE___CXA_THREAD_ATEXIT */
1348 	
1349 	/* Define to 1 if you have the `__cxa_thread_atexit_impl' function. */
1350 	/* #undef _GLIBCXX_HAVE___CXA_THREAD_ATEXIT_IMPL */
1351 	
1352 	/* Define as const if the declaration of iconv() needs const. */
1353 	#define _GLIBCXX_ICONV_CONST 
1354 	
1355 	/* Define to the sub-directory in which libtool stores uninstalled libraries.
1356 	   */
1357 	#define LT_OBJDIR ".libs/"
1358 	
1359 	/* Name of package */
1360 	/* #undef _GLIBCXX_PACKAGE */
1361 	
1362 	/* Define to the address where bug reports for this package should be sent. */
1363 	#define _GLIBCXX_PACKAGE_BUGREPORT ""
1364 	
1365 	/* Define to the full name of this package. */
1366 	#define _GLIBCXX_PACKAGE_NAME "package-unused"
1367 	
1368 	/* Define to the full name and version of this package. */
1369 	#define _GLIBCXX_PACKAGE_STRING "package-unused version-unused"
1370 	
1371 	/* Define to the one symbol short name of this package. */
1372 	#define _GLIBCXX_PACKAGE_TARNAME "libstdc++"
1373 	
1374 	/* Define to the home page for this package. */
1375 	#define _GLIBCXX_PACKAGE_URL ""
1376 	
1377 	/* Define to the version of this package. */
1378 	#define _GLIBCXX_PACKAGE__GLIBCXX_VERSION "version-unused"
1379 	
1380 	/* The size of `char', as computed by sizeof. */
1381 	/* #undef SIZEOF_CHAR */
1382 	
1383 	/* The size of `int', as computed by sizeof. */
1384 	/* #undef SIZEOF_INT */
1385 	
1386 	/* The size of `long', as computed by sizeof. */
1387 	/* #undef SIZEOF_LONG */
1388 	
1389 	/* The size of `short', as computed by sizeof. */
1390 	/* #undef SIZEOF_SHORT */
1391 	
1392 	/* The size of `void *', as computed by sizeof. */
1393 	/* #undef SIZEOF_VOID_P */
1394 	
1395 	/* Define to 1 if you have the ANSI C header files. */
1396 	#define STDC_HEADERS 1
1397 	
1398 	/* Version number of package */
1399 	/* #undef _GLIBCXX_VERSION */
1400 	
1401 	/* Define if C99 functions in <complex.h> should be used in <complex> for
1402 	   C++11. Using compiler builtins for these functions requires corresponding
1403 	   C99 library functions to be present. */
1404 	#define _GLIBCXX11_USE_C99_COMPLEX 1
1405 	
1406 	/* Define if C99 functions or macros in <math.h> should be imported in <cmath>
1407 	   in namespace std for C++11. */
1408 	#define _GLIBCXX11_USE_C99_MATH 1
1409 	
1410 	/* Define if C99 functions or macros in <stdio.h> should be imported in
1411 	   <cstdio> in namespace std for C++11. */
1412 	#define _GLIBCXX11_USE_C99_STDIO 1
1413 	
1414 	/* Define if C99 functions or macros in <stdlib.h> should be imported in
1415 	   <cstdlib> in namespace std for C++11. */
1416 	#define _GLIBCXX11_USE_C99_STDLIB 1
1417 	
1418 	/* Define if C99 functions or macros in <wchar.h> should be imported in
1419 	   <cwchar> in namespace std for C++11. */
1420 	#define _GLIBCXX11_USE_C99_WCHAR 1
1421 	
1422 	/* Define if C99 functions in <complex.h> should be used in <complex> for
1423 	   C++98. Using compiler builtins for these functions requires corresponding
1424 	   C99 library functions to be present. */
1425 	#define _GLIBCXX98_USE_C99_COMPLEX 1
1426 	
1427 	/* Define if C99 functions or macros in <math.h> should be imported in <cmath>
1428 	   in namespace std for C++98. */
1429 	#define _GLIBCXX98_USE_C99_MATH 1
1430 	
1431 	/* Define if C99 functions or macros in <stdio.h> should be imported in
1432 	   <cstdio> in namespace std for C++98. */
1433 	#define _GLIBCXX98_USE_C99_STDIO 1
1434 	
1435 	/* Define if C99 functions or macros in <stdlib.h> should be imported in
1436 	   <cstdlib> in namespace std for C++98. */
1437 	#define _GLIBCXX98_USE_C99_STDLIB 1
1438 	
1439 	/* Define if C99 functions or macros in <wchar.h> should be imported in
1440 	   <cwchar> in namespace std for C++98. */
1441 	#define _GLIBCXX98_USE_C99_WCHAR 1
1442 	
1443 	/* Define if the compiler supports C++11 atomics. */
1444 	#define _GLIBCXX_ATOMIC_BUILTINS 1
1445 	
1446 	/* Define to use concept checking code from the boost libraries. */
1447 	/* #undef _GLIBCXX_CONCEPT_CHECKS */
1448 	
1449 	/* Define to 1 if a fully dynamic basic_string is wanted, 0 to disable,
1450 	   undefined for platform defaults */
1451 	#define _GLIBCXX_FULLY_DYNAMIC_STRING 0
1452 	
1453 	/* Define if gthreads library is available. */
1454 	#define _GLIBCXX_HAS_GTHREADS 1
1455 	
1456 	/* Define to 1 if a full hosted library is built, or 0 if freestanding. */
1457 	#define _GLIBCXX_HOSTED 1
1458 	
1459 	/* Define if compatibility should be provided for -mlong-double-64. */
1460 	
1461 	/* Define to the letter to which size_t is mangled. */
1462 	#define _GLIBCXX_MANGLE_SIZE_T m
1463 	
1464 	/* Define if C99 llrint and llround functions are missing from <math.h>. */
1465 	/* #undef _GLIBCXX_NO_C99_ROUNDING_FUNCS */
1466 	
1467 	/* Define if ptrdiff_t is int. */
1468 	/* #undef _GLIBCXX_PTRDIFF_T_IS_INT */
1469 	
1470 	/* Define if using setrlimit to set resource limits during "make check" */
1471 	#define _GLIBCXX_RES_LIMITS 1
1472 	
1473 	/* Define if size_t is unsigned int. */
1474 	/* #undef _GLIBCXX_SIZE_T_IS_UINT */
1475 	
1476 	/* Define to the value of the EOF integer constant. */
1477 	#define _GLIBCXX_STDIO_EOF -1
1478 	
1479 	/* Define to the value of the SEEK_CUR integer constant. */
1480 	#define _GLIBCXX_STDIO_SEEK_CUR 1
1481 	
1482 	/* Define to the value of the SEEK_END integer constant. */
1483 	#define _GLIBCXX_STDIO_SEEK_END 2
1484 	
1485 	/* Define to use symbol versioning in the shared library. */
1486 	#define _GLIBCXX_SYMVER 1
1487 	
1488 	/* Define to use darwin versioning in the shared library. */
1489 	/* #undef _GLIBCXX_SYMVER_DARWIN */
1490 	
1491 	/* Define to use GNU versioning in the shared library. */
1492 	#define _GLIBCXX_SYMVER_GNU 1
1493 	
1494 	/* Define to use GNU namespace versioning in the shared library. */
1495 	/* #undef _GLIBCXX_SYMVER_GNU_NAMESPACE */
1496 	
1497 	/* Define to use Sun versioning in the shared library. */
1498 	/* #undef _GLIBCXX_SYMVER_SUN */
1499 	
1500 	/* Define if C11 functions in <uchar.h> should be imported into namespace std
1501 	   in <cuchar>. */
1502 	/* #undef _GLIBCXX_USE_C11_UCHAR_CXX11 */
1503 	
1504 	/* Define if C99 functions or macros from <wchar.h>, <math.h>, <complex.h>,
1505 	   <stdio.h>, and <stdlib.h> can be used or exposed. */
1506 	#define _GLIBCXX_USE_C99 1
1507 	
1508 	/* Define if C99 functions in <complex.h> should be used in <tr1/complex>.
1509 	   Using compiler builtins for these functions requires corresponding C99
1510 	   library functions to be present. */
1511 	#define _GLIBCXX_USE_C99_COMPLEX_TR1 1
1512 	
1513 	/* Define if C99 functions in <ctype.h> should be imported in <tr1/cctype> in
1514 	   namespace std::tr1. */
1515 	#define _GLIBCXX_USE_C99_CTYPE_TR1 1
1516 	
1517 	/* Define if C99 functions in <fenv.h> should be imported in <tr1/cfenv> in
1518 	   namespace std::tr1. */
1519 	#define _GLIBCXX_USE_C99_FENV_TR1 1
1520 	
1521 	/* Define if C99 functions in <inttypes.h> should be imported in
1522 	   <tr1/cinttypes> in namespace std::tr1. */
1523 	#define _GLIBCXX_USE_C99_INTTYPES_TR1 1
1524 	
1525 	/* Define if wchar_t C99 functions in <inttypes.h> should be imported in
1526 	   <tr1/cinttypes> in namespace std::tr1. */
1527 	#define _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1 1
1528 	
1529 	/* Define if C99 functions or macros in <math.h> should be imported in
1530 	   <tr1/cmath> in namespace std::tr1. */
1531 	#define _GLIBCXX_USE_C99_MATH_TR1 1
1532 	
1533 	/* Define if C99 types in <stdint.h> should be imported in <tr1/cstdint> in
1534 	   namespace std::tr1. */
1535 	#define _GLIBCXX_USE_C99_STDINT_TR1 1
1536 	
1537 	/* Defined if clock_gettime syscall has monotonic and realtime clock support.
1538 	   */
1539 	#define _GLIBCXX_USE_CLOCK_GETTIME_SYSCALL 1
1540 	
1541 	/* Defined if clock_gettime has monotonic clock support. */
1542 	#define _GLIBCXX_USE_CLOCK_MONOTONIC 1
1543 	
1544 	/* Defined if clock_gettime has realtime clock support. */
1545 	#define _GLIBCXX_USE_CLOCK_REALTIME 1
1546 	
1547 	/* Define if ISO/IEC TR 24733 decimal floating point types are supported on
1548 	   this host. */
1549 	#define _GLIBCXX_USE_DECIMAL_FLOAT 1
1550 	
1551 	/* Define if fchmod is available in <sys/stat.h>. */
1552 	#define _GLIBCXX_USE_FCHMOD 1
1553 	
1554 	/* Define if fchmodat is available in <sys/stat.h>. */
1555 	#define _GLIBCXX_USE_FCHMODAT 1
1556 	
1557 	/* Defined if gettimeofday is available. */
1558 	#define _GLIBCXX_USE_GETTIMEOFDAY 1
1559 	
1560 	/* Define if get_nprocs is available in <sys/sysinfo.h>. */
1561 	#define _GLIBCXX_USE_GET_NPROCS 1
1562 	
1563 	/* Define if __int128 is supported on this host. */
1564 	#define _GLIBCXX_USE_INT128 1
1565 	
1566 	/* Define if LFS support is available. */
1567 	#define _GLIBCXX_USE_LFS 1
1568 	
1569 	/* Define if code specialized for long long should be used. */
1570 	#define _GLIBCXX_USE_LONG_LONG 1
1571 	
1572 	/* Defined if nanosleep is available. */
1573 	#define _GLIBCXX_USE_NANOSLEEP 1
1574 	
1575 	/* Define if NLS translations are to be used. */
1576 	#define _GLIBCXX_USE_NLS 1
1577 	
1578 	/* Define if pthreads_num_processors_np is available in <pthread.h>. */
1579 	/* #undef _GLIBCXX_USE_PTHREADS_NUM_PROCESSORS_NP */
1580 	
1581 	/* Define if POSIX read/write locks are available in <gthr.h>. */
1582 	#define _GLIBCXX_USE_PTHREAD_RWLOCK_T 1
1583 	
1584 	/* Define if /dev/random and /dev/urandom are available for the random_device
1585 	   of TR1 (Chapter 5.1). */
1586 	#define _GLIBCXX_USE_RANDOM_TR1 1
1587 	
1588 	/* Define if usable realpath is available in <stdlib.h>. */
1589 	#define _GLIBCXX_USE_REALPATH 1
1590 	
1591 	/* Defined if sched_yield is available. */
1592 	#define _GLIBCXX_USE_SCHED_YIELD 1
1593 	
1594 	/* Define if _SC_NPROCESSORS_ONLN is available in <unistd.h>. */
1595 	#define _GLIBCXX_USE_SC_NPROCESSORS_ONLN 1
1596 	
1597 	/* Define if _SC_NPROC_ONLN is available in <unistd.h>. */
1598 	/* #undef _GLIBCXX_USE_SC_NPROC_ONLN */
1599 	
1600 	/* Define if sendfile is available in <sys/sendfile.h>. */
1601 	#define _GLIBCXX_USE_SENDFILE 1
1602 	
1603 	/* Define if struct stat has timespec members. */
1604 	#define _GLIBCXX_USE_ST_MTIM 1
1605 	
1606 	/* Define if sysctl(), CTL_HW and HW_NCPU are available in <sys/sysctl.h>. */
1607 	/* #undef _GLIBCXX_USE_SYSCTL_HW_NCPU */
1608 	
1609 	/* Define if obsolescent tmpnam is available in <stdio.h>. */
1610 	#define _GLIBCXX_USE_TMPNAM 1
1611 	
1612 	/* Define if utimensat and UTIME_OMIT are available in <sys/stat.h> and
1613 	   AT_FDCWD in <fcntl.h>. */
1614 	#define _GLIBCXX_USE_UTIMENSAT 1
1615 	
1616 	/* Define if code specialized for wchar_t should be used. */
1617 	#define _GLIBCXX_USE_WCHAR_T 1
1618 	
1619 	/* Define to 1 if a verbose library is built, or 0 otherwise. */
1620 	#define _GLIBCXX_VERBOSE 1
1621 	
1622 	/* Defined if as can handle rdrand. */
1623 	#define _GLIBCXX_X86_RDRAND 1
1624 	
1625 	/* Define to 1 if mutex_timedlock is available. */
1626 	#define _GTHREAD_USE_MUTEX_TIMEDLOCK 1
1627 	
1628 	/* Define if all C++11 floating point overloads are available in <math.h>.  */
1629 	#if __cplusplus >= 201103L
1630 	/* #undef __CORRECT_ISO_CPP11_MATH_H_PROTO_FP */
1631 	#endif
1632 	
1633 	/* Define if all C++11 integral type overloads are available in <math.h>.  */
1634 	#if __cplusplus >= 201103L
1635 	/* #undef __CORRECT_ISO_CPP11_MATH_H_PROTO_INT */
1636 	#endif
1637 	
1638 	#if defined (_GLIBCXX_HAVE__ACOSF) && ! defined (_GLIBCXX_HAVE_ACOSF)
1639 	# define _GLIBCXX_HAVE_ACOSF 1
1640 	# define acosf _acosf
1641 	#endif
1642 	
1643 	#if defined (_GLIBCXX_HAVE__ACOSL) && ! defined (_GLIBCXX_HAVE_ACOSL)
1644 	# define _GLIBCXX_HAVE_ACOSL 1
1645 	# define acosl _acosl
1646 	#endif
1647 	
1648 	#if defined (_GLIBCXX_HAVE__ASINF) && ! defined (_GLIBCXX_HAVE_ASINF)
1649 	# define _GLIBCXX_HAVE_ASINF 1
1650 	# define asinf _asinf
1651 	#endif
1652 	
1653 	#if defined (_GLIBCXX_HAVE__ASINL) && ! defined (_GLIBCXX_HAVE_ASINL)
1654 	# define _GLIBCXX_HAVE_ASINL 1
1655 	# define asinl _asinl
1656 	#endif
1657 	
1658 	#if defined (_GLIBCXX_HAVE__ATAN2F) && ! defined (_GLIBCXX_HAVE_ATAN2F)
1659 	# define _GLIBCXX_HAVE_ATAN2F 1
1660 	# define atan2f _atan2f
1661 	#endif
1662 	
1663 	#if defined (_GLIBCXX_HAVE__ATAN2L) && ! defined (_GLIBCXX_HAVE_ATAN2L)
1664 	# define _GLIBCXX_HAVE_ATAN2L 1
1665 	# define atan2l _atan2l
1666 	#endif
1667 	
1668 	#if defined (_GLIBCXX_HAVE__ATANF) && ! defined (_GLIBCXX_HAVE_ATANF)
1669 	# define _GLIBCXX_HAVE_ATANF 1
1670 	# define atanf _atanf
1671 	#endif
1672 	
1673 	#if defined (_GLIBCXX_HAVE__ATANL) && ! defined (_GLIBCXX_HAVE_ATANL)
1674 	# define _GLIBCXX_HAVE_ATANL 1
1675 	# define atanl _atanl
1676 	#endif
1677 	
1678 	#if defined (_GLIBCXX_HAVE__CEILF) && ! defined (_GLIBCXX_HAVE_CEILF)
1679 	# define _GLIBCXX_HAVE_CEILF 1
1680 	# define ceilf _ceilf
1681 	#endif
1682 	
1683 	#if defined (_GLIBCXX_HAVE__CEILL) && ! defined (_GLIBCXX_HAVE_CEILL)
1684 	# define _GLIBCXX_HAVE_CEILL 1
1685 	# define ceill _ceill
1686 	#endif
1687 	
1688 	#if defined (_GLIBCXX_HAVE__COSF) && ! defined (_GLIBCXX_HAVE_COSF)
1689 	# define _GLIBCXX_HAVE_COSF 1
1690 	# define cosf _cosf
1691 	#endif
1692 	
1693 	#if defined (_GLIBCXX_HAVE__COSHF) && ! defined (_GLIBCXX_HAVE_COSHF)
1694 	# define _GLIBCXX_HAVE_COSHF 1
1695 	# define coshf _coshf
1696 	#endif
1697 	
1698 	#if defined (_GLIBCXX_HAVE__COSHL) && ! defined (_GLIBCXX_HAVE_COSHL)
1699 	# define _GLIBCXX_HAVE_COSHL 1
1700 	# define coshl _coshl
1701 	#endif
1702 	
1703 	#if defined (_GLIBCXX_HAVE__COSL) && ! defined (_GLIBCXX_HAVE_COSL)
1704 	# define _GLIBCXX_HAVE_COSL 1
1705 	# define cosl _cosl
1706 	#endif
1707 	
1708 	#if defined (_GLIBCXX_HAVE__EXPF) && ! defined (_GLIBCXX_HAVE_EXPF)
1709 	# define _GLIBCXX_HAVE_EXPF 1
1710 	# define expf _expf
1711 	#endif
1712 	
1713 	#if defined (_GLIBCXX_HAVE__EXPL) && ! defined (_GLIBCXX_HAVE_EXPL)
1714 	# define _GLIBCXX_HAVE_EXPL 1
1715 	# define expl _expl
1716 	#endif
1717 	
1718 	#if defined (_GLIBCXX_HAVE__FABSF) && ! defined (_GLIBCXX_HAVE_FABSF)
1719 	# define _GLIBCXX_HAVE_FABSF 1
1720 	# define fabsf _fabsf
1721 	#endif
1722 	
1723 	#if defined (_GLIBCXX_HAVE__FABSL) && ! defined (_GLIBCXX_HAVE_FABSL)
1724 	# define _GLIBCXX_HAVE_FABSL 1
1725 	# define fabsl _fabsl
1726 	#endif
1727 	
1728 	#if defined (_GLIBCXX_HAVE__FINITE) && ! defined (_GLIBCXX_HAVE_FINITE)
1729 	# define _GLIBCXX_HAVE_FINITE 1
1730 	# define finite _finite
1731 	#endif
1732 	
1733 	#if defined (_GLIBCXX_HAVE__FINITEF) && ! defined (_GLIBCXX_HAVE_FINITEF)
1734 	# define _GLIBCXX_HAVE_FINITEF 1
1735 	# define finitef _finitef
1736 	#endif
1737 	
1738 	#if defined (_GLIBCXX_HAVE__FINITEL) && ! defined (_GLIBCXX_HAVE_FINITEL)
1739 	# define _GLIBCXX_HAVE_FINITEL 1
1740 	# define finitel _finitel
1741 	#endif
1742 	
1743 	#if defined (_GLIBCXX_HAVE__FLOORF) && ! defined (_GLIBCXX_HAVE_FLOORF)
1744 	# define _GLIBCXX_HAVE_FLOORF 1
1745 	# define floorf _floorf
1746 	#endif
1747 	
1748 	#if defined (_GLIBCXX_HAVE__FLOORL) && ! defined (_GLIBCXX_HAVE_FLOORL)
1749 	# define _GLIBCXX_HAVE_FLOORL 1
1750 	# define floorl _floorl
1751 	#endif
1752 	
1753 	#if defined (_GLIBCXX_HAVE__FMODF) && ! defined (_GLIBCXX_HAVE_FMODF)
1754 	# define _GLIBCXX_HAVE_FMODF 1
1755 	# define fmodf _fmodf
1756 	#endif
1757 	
1758 	#if defined (_GLIBCXX_HAVE__FMODL) && ! defined (_GLIBCXX_HAVE_FMODL)
1759 	# define _GLIBCXX_HAVE_FMODL 1
1760 	# define fmodl _fmodl
1761 	#endif
1762 	
1763 	#if defined (_GLIBCXX_HAVE__FPCLASS) && ! defined (_GLIBCXX_HAVE_FPCLASS)
1764 	# define _GLIBCXX_HAVE_FPCLASS 1
1765 	# define fpclass _fpclass
1766 	#endif
1767 	
1768 	#if defined (_GLIBCXX_HAVE__FREXPF) && ! defined (_GLIBCXX_HAVE_FREXPF)
1769 	# define _GLIBCXX_HAVE_FREXPF 1
1770 	# define frexpf _frexpf
1771 	#endif
1772 	
1773 	#if defined (_GLIBCXX_HAVE__FREXPL) && ! defined (_GLIBCXX_HAVE_FREXPL)
1774 	# define _GLIBCXX_HAVE_FREXPL 1
1775 	# define frexpl _frexpl
1776 	#endif
1777 	
1778 	#if defined (_GLIBCXX_HAVE__HYPOT) && ! defined (_GLIBCXX_HAVE_HYPOT)
1779 	# define _GLIBCXX_HAVE_HYPOT 1
1780 	# define hypot _hypot
1781 	#endif
1782 	
1783 	#if defined (_GLIBCXX_HAVE__HYPOTF) && ! defined (_GLIBCXX_HAVE_HYPOTF)
1784 	# define _GLIBCXX_HAVE_HYPOTF 1
1785 	# define hypotf _hypotf
1786 	#endif
1787 	
1788 	#if defined (_GLIBCXX_HAVE__HYPOTL) && ! defined (_GLIBCXX_HAVE_HYPOTL)
1789 	# define _GLIBCXX_HAVE_HYPOTL 1
1790 	# define hypotl _hypotl
1791 	#endif
1792 	
1793 	#if defined (_GLIBCXX_HAVE__ISINF) && ! defined (_GLIBCXX_HAVE_ISINF)
1794 	# define _GLIBCXX_HAVE_ISINF 1
1795 	# define isinf _isinf
1796 	#endif
1797 	
1798 	#if defined (_GLIBCXX_HAVE__ISINFF) && ! defined (_GLIBCXX_HAVE_ISINFF)
1799 	# define _GLIBCXX_HAVE_ISINFF 1
1800 	# define isinff _isinff
1801 	#endif
1802 	
1803 	#if defined (_GLIBCXX_HAVE__ISINFL) && ! defined (_GLIBCXX_HAVE_ISINFL)
1804 	# define _GLIBCXX_HAVE_ISINFL 1
1805 	# define isinfl _isinfl
1806 	#endif
1807 	
1808 	#if defined (_GLIBCXX_HAVE__ISNAN) && ! defined (_GLIBCXX_HAVE_ISNAN)
1809 	# define _GLIBCXX_HAVE_ISNAN 1
1810 	# define isnan _isnan
1811 	#endif
1812 	
1813 	#if defined (_GLIBCXX_HAVE__ISNANF) && ! defined (_GLIBCXX_HAVE_ISNANF)
1814 	# define _GLIBCXX_HAVE_ISNANF 1
1815 	# define isnanf _isnanf
1816 	#endif
1817 	
1818 	#if defined (_GLIBCXX_HAVE__ISNANL) && ! defined (_GLIBCXX_HAVE_ISNANL)
1819 	# define _GLIBCXX_HAVE_ISNANL 1
1820 	# define isnanl _isnanl
1821 	#endif
1822 	
1823 	#if defined (_GLIBCXX_HAVE__LDEXPF) && ! defined (_GLIBCXX_HAVE_LDEXPF)
1824 	# define _GLIBCXX_HAVE_LDEXPF 1
1825 	# define ldexpf _ldexpf
1826 	#endif
1827 	
1828 	#if defined (_GLIBCXX_HAVE__LDEXPL) && ! defined (_GLIBCXX_HAVE_LDEXPL)
1829 	# define _GLIBCXX_HAVE_LDEXPL 1
1830 	# define ldexpl _ldexpl
1831 	#endif
1832 	
1833 	#if defined (_GLIBCXX_HAVE__LOG10F) && ! defined (_GLIBCXX_HAVE_LOG10F)
1834 	# define _GLIBCXX_HAVE_LOG10F 1
1835 	# define log10f _log10f
1836 	#endif
1837 	
1838 	#if defined (_GLIBCXX_HAVE__LOG10L) && ! defined (_GLIBCXX_HAVE_LOG10L)
1839 	# define _GLIBCXX_HAVE_LOG10L 1
1840 	# define log10l _log10l
1841 	#endif
1842 	
1843 	#if defined (_GLIBCXX_HAVE__LOGF) && ! defined (_GLIBCXX_HAVE_LOGF)
1844 	# define _GLIBCXX_HAVE_LOGF 1
1845 	# define logf _logf
1846 	#endif
1847 	
1848 	#if defined (_GLIBCXX_HAVE__LOGL) && ! defined (_GLIBCXX_HAVE_LOGL)
1849 	# define _GLIBCXX_HAVE_LOGL 1
1850 	# define logl _logl
1851 	#endif
1852 	
1853 	#if defined (_GLIBCXX_HAVE__MODF) && ! defined (_GLIBCXX_HAVE_MODF)
1854 	# define _GLIBCXX_HAVE_MODF 1
1855 	# define modf _modf
1856 	#endif
1857 	
1858 	#if defined (_GLIBCXX_HAVE__MODFF) && ! defined (_GLIBCXX_HAVE_MODFF)
1859 	# define _GLIBCXX_HAVE_MODFF 1
1860 	# define modff _modff
1861 	#endif
1862 	
1863 	#if defined (_GLIBCXX_HAVE__MODFL) && ! defined (_GLIBCXX_HAVE_MODFL)
1864 	# define _GLIBCXX_HAVE_MODFL 1
1865 	# define modfl _modfl
1866 	#endif
1867 	
1868 	#if defined (_GLIBCXX_HAVE__POWF) && ! defined (_GLIBCXX_HAVE_POWF)
1869 	# define _GLIBCXX_HAVE_POWF 1
1870 	# define powf _powf
1871 	#endif
1872 	
1873 	#if defined (_GLIBCXX_HAVE__POWL) && ! defined (_GLIBCXX_HAVE_POWL)
1874 	# define _GLIBCXX_HAVE_POWL 1
1875 	# define powl _powl
1876 	#endif
1877 	
1878 	#if defined (_GLIBCXX_HAVE__QFPCLASS) && ! defined (_GLIBCXX_HAVE_QFPCLASS)
1879 	# define _GLIBCXX_HAVE_QFPCLASS 1
1880 	# define qfpclass _qfpclass
1881 	#endif
1882 	
1883 	#if defined (_GLIBCXX_HAVE__SINCOS) && ! defined (_GLIBCXX_HAVE_SINCOS)
1884 	# define _GLIBCXX_HAVE_SINCOS 1
1885 	# define sincos _sincos
1886 	#endif
1887 	
1888 	#if defined (_GLIBCXX_HAVE__SINCOSF) && ! defined (_GLIBCXX_HAVE_SINCOSF)
1889 	# define _GLIBCXX_HAVE_SINCOSF 1
1890 	# define sincosf _sincosf
1891 	#endif
1892 	
1893 	#if defined (_GLIBCXX_HAVE__SINCOSL) && ! defined (_GLIBCXX_HAVE_SINCOSL)
1894 	# define _GLIBCXX_HAVE_SINCOSL 1
1895 	# define sincosl _sincosl
1896 	#endif
1897 	
1898 	#if defined (_GLIBCXX_HAVE__SINF) && ! defined (_GLIBCXX_HAVE_SINF)
1899 	# define _GLIBCXX_HAVE_SINF 1
1900 	# define sinf _sinf
1901 	#endif
1902 	
1903 	#if defined (_GLIBCXX_HAVE__SINHF) && ! defined (_GLIBCXX_HAVE_SINHF)
1904 	# define _GLIBCXX_HAVE_SINHF 1
1905 	# define sinhf _sinhf
1906 	#endif
1907 	
1908 	#if defined (_GLIBCXX_HAVE__SINHL) && ! defined (_GLIBCXX_HAVE_SINHL)
1909 	# define _GLIBCXX_HAVE_SINHL 1
1910 	# define sinhl _sinhl
1911 	#endif
1912 	
1913 	#if defined (_GLIBCXX_HAVE__SINL) && ! defined (_GLIBCXX_HAVE_SINL)
1914 	# define _GLIBCXX_HAVE_SINL 1
1915 	# define sinl _sinl
1916 	#endif
1917 	
1918 	#if defined (_GLIBCXX_HAVE__SQRTF) && ! defined (_GLIBCXX_HAVE_SQRTF)
1919 	# define _GLIBCXX_HAVE_SQRTF 1
1920 	# define sqrtf _sqrtf
1921 	#endif
1922 	
1923 	#if defined (_GLIBCXX_HAVE__SQRTL) && ! defined (_GLIBCXX_HAVE_SQRTL)
1924 	# define _GLIBCXX_HAVE_SQRTL 1
1925 	# define sqrtl _sqrtl
1926 	#endif
1927 	
1928 	#if defined (_GLIBCXX_HAVE__STRTOF) && ! defined (_GLIBCXX_HAVE_STRTOF)
1929 	# define _GLIBCXX_HAVE_STRTOF 1
1930 	# define strtof _strtof
1931 	#endif
1932 	
1933 	#if defined (_GLIBCXX_HAVE__STRTOLD) && ! defined (_GLIBCXX_HAVE_STRTOLD)
1934 	# define _GLIBCXX_HAVE_STRTOLD 1
1935 	# define strtold _strtold
1936 	#endif
1937 	
1938 	#if defined (_GLIBCXX_HAVE__TANF) && ! defined (_GLIBCXX_HAVE_TANF)
1939 	# define _GLIBCXX_HAVE_TANF 1
1940 	# define tanf _tanf
1941 	#endif
1942 	
1943 	#if defined (_GLIBCXX_HAVE__TANHF) && ! defined (_GLIBCXX_HAVE_TANHF)
1944 	# define _GLIBCXX_HAVE_TANHF 1
1945 	# define tanhf _tanhf
1946 	#endif
1947 	
1948 	#if defined (_GLIBCXX_HAVE__TANHL) && ! defined (_GLIBCXX_HAVE_TANHL)
1949 	# define _GLIBCXX_HAVE_TANHL 1
1950 	# define tanhl _tanhl
1951 	#endif
1952 	
1953 	#if defined (_GLIBCXX_HAVE__TANL) && ! defined (_GLIBCXX_HAVE_TANL)
1954 	# define _GLIBCXX_HAVE_TANL 1
1955 	# define tanl _tanl
1956 	#endif
1957 	
1958 	#endif // _GLIBCXX_CXX_CONFIG_H
1959