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      1 // Copyright (C) 2023-2024 Free Software Foundation, Inc.
      2 
      3 // This file is part of the GNU ISO C++ Library.  This library is free
      4 // software; you can redistribute it and/or modify it under the
      5 // terms of the GNU General Public License as published by the
      6 // Free Software Foundation; either version 3, or (at your option)
      7 // any later version.
      8 
      9 // This library is distributed in the hope that it will be useful,
     10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     12 // GNU General Public License for more details.
     13 
     14 // Under Section 7 of GPL version 3, you are granted additional
     15 // permissions described in the GCC Runtime Library Exception, version
     16 // 3.1, as published by the Free Software Foundation.
     17 
     18 // You should have received a copy of the GNU General Public License and
     19 // a copy of the GCC Runtime Library Exception along with this program;
     20 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     21 // <http://www.gnu.org/licenses/>.
     22 
     23 // DO NOT EDIT THIS FILE   (version.h)
     24 //
     25 // It has been AutoGen-ed
     26 // From the definitions    version.def
     27 // and the template file   version.tpl
     28 
     29 /** @file bits/version.h
     30  *  This is an internal header file, included by other library headers.
     31  *  Do not attempt to use it directly. @headername{version}
     32  */
     33 
     34 // Usage guide:
     35 //
     36 // In your usual header, do something like:
     37 //
     38 //   #define __glibcxx_want_ranges
     39 //   #define __glibcxx_want_concepts
     40 //   #include <bits/version.h>
     41 //
     42 // This will generate the FTMs you named, and let you use them in your code as
     43 // if it was user code.  All macros are also exposed under __glibcxx_NAME even
     44 // if unwanted, to permit bits and other FTMs to depend on them for condtional
     45 // computation without exposing extra FTMs to user code.
     46 
     47 #pragma GCC system_header
     48 
     49 #include <bits/c++config.h>
     50 
     51 #if !defined(__cpp_lib_incomplete_container_elements)
     52 # if _GLIBCXX_HOSTED
     53 #  define __glibcxx_incomplete_container_elements 201505L
     54 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_incomplete_container_elements)
     55 #   define __cpp_lib_incomplete_container_elements 201505L
     56 #  endif
     57 # endif
     58 #endif /* !defined(__cpp_lib_incomplete_container_elements) && defined(__glibcxx_want_incomplete_container_elements) */
     59 #undef __glibcxx_want_incomplete_container_elements
     60 
     61 #if !defined(__cpp_lib_uncaught_exceptions)
     62 # if ((defined(__STRICT_ANSI__) && __cplusplus >= 201703L) || (!defined(__STRICT_ANSI__) && __cplusplus >= 199711L))
     63 #  define __glibcxx_uncaught_exceptions 201411L
     64 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_uncaught_exceptions)
     65 #   define __cpp_lib_uncaught_exceptions 201411L
     66 #  endif
     67 # endif
     68 #endif /* !defined(__cpp_lib_uncaught_exceptions) && defined(__glibcxx_want_uncaught_exceptions) */
     69 #undef __glibcxx_want_uncaught_exceptions
     70 
     71 #if !defined(__cpp_lib_allocator_traits_is_always_equal)
     72 # if (__cplusplus >= 201103L)
     73 #  define __glibcxx_allocator_traits_is_always_equal 201411L
     74 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_allocator_traits_is_always_equal)
     75 #   define __cpp_lib_allocator_traits_is_always_equal 201411L
     76 #  endif
     77 # endif
     78 #endif /* !defined(__cpp_lib_allocator_traits_is_always_equal) && defined(__glibcxx_want_allocator_traits_is_always_equal) */
     79 #undef __glibcxx_want_allocator_traits_is_always_equal
     80 
     81 #if !defined(__cpp_lib_is_null_pointer)
     82 # if (__cplusplus >= 201103L)
     83 #  define __glibcxx_is_null_pointer 201309L
     84 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_null_pointer)
     85 #   define __cpp_lib_is_null_pointer 201309L
     86 #  endif
     87 # endif
     88 #endif /* !defined(__cpp_lib_is_null_pointer) && defined(__glibcxx_want_is_null_pointer) */
     89 #undef __glibcxx_want_is_null_pointer
     90 
     91 #if !defined(__cpp_lib_result_of_sfinae)
     92 # if (__cplusplus >= 201103L)
     93 #  define __glibcxx_result_of_sfinae 201210L
     94 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_result_of_sfinae)
     95 #   define __cpp_lib_result_of_sfinae 201210L
     96 #  endif
     97 # endif
     98 #endif /* !defined(__cpp_lib_result_of_sfinae) && defined(__glibcxx_want_result_of_sfinae) */
     99 #undef __glibcxx_want_result_of_sfinae
    100 
    101 #if !defined(__cpp_lib_shared_ptr_arrays)
    102 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
    103 #  define __glibcxx_shared_ptr_arrays 201707L
    104 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_shared_ptr_arrays)
    105 #   define __cpp_lib_shared_ptr_arrays 201707L
    106 #  endif
    107 # elif (__cplusplus >= 201103L) && _GLIBCXX_HOSTED
    108 #  define __glibcxx_shared_ptr_arrays 201611L
    109 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_shared_ptr_arrays)
    110 #   define __cpp_lib_shared_ptr_arrays 201611L
    111 #  endif
    112 # endif
    113 #endif /* !defined(__cpp_lib_shared_ptr_arrays) && defined(__glibcxx_want_shared_ptr_arrays) */
    114 #undef __glibcxx_want_shared_ptr_arrays
    115 
    116 #if !defined(__cpp_lib_is_swappable)
    117 # if ((defined(__STRICT_ANSI__) && __cplusplus >= 201703L) || (!defined(__STRICT_ANSI__) && __cplusplus >= 201103L))
    118 #  define __glibcxx_is_swappable 201603L
    119 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_swappable)
    120 #   define __cpp_lib_is_swappable 201603L
    121 #  endif
    122 # endif
    123 #endif /* !defined(__cpp_lib_is_swappable) && defined(__glibcxx_want_is_swappable) */
    124 #undef __glibcxx_want_is_swappable
    125 
    126 #if !defined(__cpp_lib_void_t)
    127 # if ((defined(__STRICT_ANSI__) && __cplusplus >= 201703L) || (!defined(__STRICT_ANSI__) && __cplusplus >= 201103L))
    128 #  define __glibcxx_void_t 201411L
    129 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_void_t)
    130 #   define __cpp_lib_void_t 201411L
    131 #  endif
    132 # endif
    133 #endif /* !defined(__cpp_lib_void_t) && defined(__glibcxx_want_void_t) */
    134 #undef __glibcxx_want_void_t
    135 
    136 #if !defined(__cpp_lib_enable_shared_from_this)
    137 # if ((defined(__STRICT_ANSI__) && __cplusplus >= 201703L) || (!defined(__STRICT_ANSI__) && __cplusplus >= 201103L)) && _GLIBCXX_HOSTED
    138 #  define __glibcxx_enable_shared_from_this 201603L
    139 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_enable_shared_from_this)
    140 #   define __cpp_lib_enable_shared_from_this 201603L
    141 #  endif
    142 # endif
    143 #endif /* !defined(__cpp_lib_enable_shared_from_this) && defined(__glibcxx_want_enable_shared_from_this) */
    144 #undef __glibcxx_want_enable_shared_from_this
    145 
    146 #if !defined(__cpp_lib_math_spec_funcs)
    147 # if (__cplusplus >= 201103L)
    148 #  define __glibcxx_math_spec_funcs 201003L
    149 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_math_spec_funcs)
    150 #   define __STDCPP_MATH_SPEC_FUNCS__ 201003L
    151 #  endif
    152 # endif
    153 #endif /* !defined(__cpp_lib_math_spec_funcs) && defined(__glibcxx_want_math_spec_funcs) */
    154 #undef __glibcxx_want_math_spec_funcs
    155 
    156 #if !defined(__cpp_lib_coroutine)
    157 # if (__cplusplus >= 201402L) && (__cpp_impl_coroutine)
    158 #  define __glibcxx_coroutine 201902L
    159 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_coroutine)
    160 #   define __cpp_lib_coroutine 201902L
    161 #  endif
    162 # endif
    163 #endif /* !defined(__cpp_lib_coroutine) && defined(__glibcxx_want_coroutine) */
    164 #undef __glibcxx_want_coroutine
    165 
    166 #if !defined(__cpp_lib_exchange_function)
    167 # if (__cplusplus >= 201402L)
    168 #  define __glibcxx_exchange_function 201304L
    169 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_exchange_function)
    170 #   define __cpp_lib_exchange_function 201304L
    171 #  endif
    172 # endif
    173 #endif /* !defined(__cpp_lib_exchange_function) && defined(__glibcxx_want_exchange_function) */
    174 #undef __glibcxx_want_exchange_function
    175 
    176 #if !defined(__cpp_lib_integer_sequence)
    177 # if (__cplusplus >= 201402L)
    178 #  define __glibcxx_integer_sequence 201304L
    179 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_integer_sequence)
    180 #   define __cpp_lib_integer_sequence 201304L
    181 #  endif
    182 # endif
    183 #endif /* !defined(__cpp_lib_integer_sequence) && defined(__glibcxx_want_integer_sequence) */
    184 #undef __glibcxx_want_integer_sequence
    185 
    186 #if !defined(__cpp_lib_integral_constant_callable)
    187 # if (__cplusplus >= 201402L)
    188 #  define __glibcxx_integral_constant_callable 201304L
    189 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_integral_constant_callable)
    190 #   define __cpp_lib_integral_constant_callable 201304L
    191 #  endif
    192 # endif
    193 #endif /* !defined(__cpp_lib_integral_constant_callable) && defined(__glibcxx_want_integral_constant_callable) */
    194 #undef __glibcxx_want_integral_constant_callable
    195 
    196 #if !defined(__cpp_lib_is_final)
    197 # if (__cplusplus >= 201402L)
    198 #  define __glibcxx_is_final 201402L
    199 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_final)
    200 #   define __cpp_lib_is_final 201402L
    201 #  endif
    202 # endif
    203 #endif /* !defined(__cpp_lib_is_final) && defined(__glibcxx_want_is_final) */
    204 #undef __glibcxx_want_is_final
    205 
    206 #if !defined(__cpp_lib_make_reverse_iterator)
    207 # if (__cplusplus >= 201402L)
    208 #  define __glibcxx_make_reverse_iterator 201402L
    209 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_make_reverse_iterator)
    210 #   define __cpp_lib_make_reverse_iterator 201402L
    211 #  endif
    212 # endif
    213 #endif /* !defined(__cpp_lib_make_reverse_iterator) && defined(__glibcxx_want_make_reverse_iterator) */
    214 #undef __glibcxx_want_make_reverse_iterator
    215 
    216 #if !defined(__cpp_lib_null_iterators)
    217 # if (__cplusplus >= 201402L)
    218 #  define __glibcxx_null_iterators 201304L
    219 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_null_iterators)
    220 #   define __cpp_lib_null_iterators 201304L
    221 #  endif
    222 # endif
    223 #endif /* !defined(__cpp_lib_null_iterators) && defined(__glibcxx_want_null_iterators) */
    224 #undef __glibcxx_want_null_iterators
    225 
    226 #if !defined(__cpp_lib_transformation_trait_aliases)
    227 # if (__cplusplus >= 201402L)
    228 #  define __glibcxx_transformation_trait_aliases 201304L
    229 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_transformation_trait_aliases)
    230 #   define __cpp_lib_transformation_trait_aliases 201304L
    231 #  endif
    232 # endif
    233 #endif /* !defined(__cpp_lib_transformation_trait_aliases) && defined(__glibcxx_want_transformation_trait_aliases) */
    234 #undef __glibcxx_want_transformation_trait_aliases
    235 
    236 #if !defined(__cpp_lib_transparent_operators)
    237 # if (__cplusplus >= 201402L)
    238 #  define __glibcxx_transparent_operators 201510L
    239 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_transparent_operators)
    240 #   define __cpp_lib_transparent_operators 201510L
    241 #  endif
    242 # endif
    243 #endif /* !defined(__cpp_lib_transparent_operators) && defined(__glibcxx_want_transparent_operators) */
    244 #undef __glibcxx_want_transparent_operators
    245 
    246 #if !defined(__cpp_lib_tuple_element_t)
    247 # if (__cplusplus >= 201402L)
    248 #  define __glibcxx_tuple_element_t 201402L
    249 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_tuple_element_t)
    250 #   define __cpp_lib_tuple_element_t 201402L
    251 #  endif
    252 # endif
    253 #endif /* !defined(__cpp_lib_tuple_element_t) && defined(__glibcxx_want_tuple_element_t) */
    254 #undef __glibcxx_want_tuple_element_t
    255 
    256 #if !defined(__cpp_lib_tuples_by_type)
    257 # if (__cplusplus >= 201402L)
    258 #  define __glibcxx_tuples_by_type 201304L
    259 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_tuples_by_type)
    260 #   define __cpp_lib_tuples_by_type 201304L
    261 #  endif
    262 # endif
    263 #endif /* !defined(__cpp_lib_tuples_by_type) && defined(__glibcxx_want_tuples_by_type) */
    264 #undef __glibcxx_want_tuples_by_type
    265 
    266 #if !defined(__cpp_lib_robust_nonmodifying_seq_ops)
    267 # if (__cplusplus >= 201402L)
    268 #  define __glibcxx_robust_nonmodifying_seq_ops 201304L
    269 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_robust_nonmodifying_seq_ops)
    270 #   define __cpp_lib_robust_nonmodifying_seq_ops 201304L
    271 #  endif
    272 # endif
    273 #endif /* !defined(__cpp_lib_robust_nonmodifying_seq_ops) && defined(__glibcxx_want_robust_nonmodifying_seq_ops) */
    274 #undef __glibcxx_want_robust_nonmodifying_seq_ops
    275 
    276 #if !defined(__cpp_lib_to_chars)
    277 # if (__cplusplus >  202302L) && (_GLIBCXX_FLOAT_IS_IEEE_BINARY32 && _GLIBCXX_DOUBLE_IS_IEEE_BINARY64 && __SIZE_WIDTH__ >= 32)
    278 #  define __glibcxx_to_chars 202306L
    279 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_to_chars)
    280 #   define __cpp_lib_to_chars 202306L
    281 #  endif
    282 # elif (__cplusplus >= 201402L) && (_GLIBCXX_FLOAT_IS_IEEE_BINARY32 && _GLIBCXX_DOUBLE_IS_IEEE_BINARY64 && __SIZE_WIDTH__ >= 32)
    283 #  define __glibcxx_to_chars 201611L
    284 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_to_chars)
    285 #   define __cpp_lib_to_chars 201611L
    286 #  endif
    287 # endif
    288 #endif /* !defined(__cpp_lib_to_chars) && defined(__glibcxx_want_to_chars) */
    289 #undef __glibcxx_want_to_chars
    290 
    291 #if !defined(__cpp_lib_chrono_udls)
    292 # if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
    293 #  define __glibcxx_chrono_udls 201304L
    294 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_chrono_udls)
    295 #   define __cpp_lib_chrono_udls 201304L
    296 #  endif
    297 # endif
    298 #endif /* !defined(__cpp_lib_chrono_udls) && defined(__glibcxx_want_chrono_udls) */
    299 #undef __glibcxx_want_chrono_udls
    300 
    301 #if !defined(__cpp_lib_complex_udls)
    302 # if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
    303 #  define __glibcxx_complex_udls 201309L
    304 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_complex_udls)
    305 #   define __cpp_lib_complex_udls 201309L
    306 #  endif
    307 # endif
    308 #endif /* !defined(__cpp_lib_complex_udls) && defined(__glibcxx_want_complex_udls) */
    309 #undef __glibcxx_want_complex_udls
    310 
    311 #if !defined(__cpp_lib_generic_associative_lookup)
    312 # if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
    313 #  define __glibcxx_generic_associative_lookup 201304L
    314 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_generic_associative_lookup)
    315 #   define __cpp_lib_generic_associative_lookup 201304L
    316 #  endif
    317 # endif
    318 #endif /* !defined(__cpp_lib_generic_associative_lookup) && defined(__glibcxx_want_generic_associative_lookup) */
    319 #undef __glibcxx_want_generic_associative_lookup
    320 
    321 #if !defined(__cpp_lib_make_unique)
    322 # if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
    323 #  define __glibcxx_make_unique 201304L
    324 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_make_unique)
    325 #   define __cpp_lib_make_unique 201304L
    326 #  endif
    327 # endif
    328 #endif /* !defined(__cpp_lib_make_unique) && defined(__glibcxx_want_make_unique) */
    329 #undef __glibcxx_want_make_unique
    330 
    331 #if !defined(__cpp_lib_quoted_string_io)
    332 # if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
    333 #  define __glibcxx_quoted_string_io 201304L
    334 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_quoted_string_io)
    335 #   define __cpp_lib_quoted_string_io 201304L
    336 #  endif
    337 # endif
    338 #endif /* !defined(__cpp_lib_quoted_string_io) && defined(__glibcxx_want_quoted_string_io) */
    339 #undef __glibcxx_want_quoted_string_io
    340 
    341 #if !defined(__cpp_lib_shared_timed_mutex)
    342 # if (__cplusplus >= 201402L) && defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
    343 #  define __glibcxx_shared_timed_mutex 201402L
    344 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_shared_timed_mutex)
    345 #   define __cpp_lib_shared_timed_mutex 201402L
    346 #  endif
    347 # endif
    348 #endif /* !defined(__cpp_lib_shared_timed_mutex) && defined(__glibcxx_want_shared_timed_mutex) */
    349 #undef __glibcxx_want_shared_timed_mutex
    350 
    351 #if !defined(__cpp_lib_string_udls)
    352 # if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
    353 #  define __glibcxx_string_udls 201304L
    354 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_string_udls)
    355 #   define __cpp_lib_string_udls 201304L
    356 #  endif
    357 # endif
    358 #endif /* !defined(__cpp_lib_string_udls) && defined(__glibcxx_want_string_udls) */
    359 #undef __glibcxx_want_string_udls
    360 
    361 #if !defined(__cpp_lib_addressof_constexpr)
    362 # if (__cplusplus >= 201703L)
    363 #  define __glibcxx_addressof_constexpr 201603L
    364 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_addressof_constexpr)
    365 #   define __cpp_lib_addressof_constexpr 201603L
    366 #  endif
    367 # endif
    368 #endif /* !defined(__cpp_lib_addressof_constexpr) && defined(__glibcxx_want_addressof_constexpr) */
    369 #undef __glibcxx_want_addressof_constexpr
    370 
    371 #if !defined(__cpp_lib_any)
    372 # if (__cplusplus >= 201703L)
    373 #  define __glibcxx_any 201606L
    374 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_any)
    375 #   define __cpp_lib_any 201606L
    376 #  endif
    377 # endif
    378 #endif /* !defined(__cpp_lib_any) && defined(__glibcxx_want_any) */
    379 #undef __glibcxx_want_any
    380 
    381 #if !defined(__cpp_lib_apply)
    382 # if (__cplusplus >= 201703L)
    383 #  define __glibcxx_apply 201603L
    384 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_apply)
    385 #   define __cpp_lib_apply 201603L
    386 #  endif
    387 # endif
    388 #endif /* !defined(__cpp_lib_apply) && defined(__glibcxx_want_apply) */
    389 #undef __glibcxx_want_apply
    390 
    391 #if !defined(__cpp_lib_as_const)
    392 # if (__cplusplus >= 201703L)
    393 #  define __glibcxx_as_const 201510L
    394 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_as_const)
    395 #   define __cpp_lib_as_const 201510L
    396 #  endif
    397 # endif
    398 #endif /* !defined(__cpp_lib_as_const) && defined(__glibcxx_want_as_const) */
    399 #undef __glibcxx_want_as_const
    400 
    401 #if !defined(__cpp_lib_atomic_is_always_lock_free)
    402 # if (__cplusplus >= 201703L)
    403 #  define __glibcxx_atomic_is_always_lock_free 201603L
    404 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_is_always_lock_free)
    405 #   define __cpp_lib_atomic_is_always_lock_free 201603L
    406 #  endif
    407 # endif
    408 #endif /* !defined(__cpp_lib_atomic_is_always_lock_free) && defined(__glibcxx_want_atomic_is_always_lock_free) */
    409 #undef __glibcxx_want_atomic_is_always_lock_free
    410 
    411 #if !defined(__cpp_lib_bool_constant)
    412 # if (__cplusplus >= 201703L)
    413 #  define __glibcxx_bool_constant 201505L
    414 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_bool_constant)
    415 #   define __cpp_lib_bool_constant 201505L
    416 #  endif
    417 # endif
    418 #endif /* !defined(__cpp_lib_bool_constant) && defined(__glibcxx_want_bool_constant) */
    419 #undef __glibcxx_want_bool_constant
    420 
    421 #if !defined(__cpp_lib_byte)
    422 # if (__cplusplus >= 201703L)
    423 #  define __glibcxx_byte 201603L
    424 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_byte)
    425 #   define __cpp_lib_byte 201603L
    426 #  endif
    427 # endif
    428 #endif /* !defined(__cpp_lib_byte) && defined(__glibcxx_want_byte) */
    429 #undef __glibcxx_want_byte
    430 
    431 #if !defined(__cpp_lib_has_unique_object_representations)
    432 # if (__cplusplus >= 201703L) && (defined(_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP))
    433 #  define __glibcxx_has_unique_object_representations 201606L
    434 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_has_unique_object_representations)
    435 #   define __cpp_lib_has_unique_object_representations 201606L
    436 #  endif
    437 # endif
    438 #endif /* !defined(__cpp_lib_has_unique_object_representations) && defined(__glibcxx_want_has_unique_object_representations) */
    439 #undef __glibcxx_want_has_unique_object_representations
    440 
    441 #if !defined(__cpp_lib_hardware_interference_size)
    442 # if (__cplusplus >= 201703L) && (defined(__GCC_DESTRUCTIVE_SIZE))
    443 #  define __glibcxx_hardware_interference_size 201703L
    444 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_hardware_interference_size)
    445 #   define __cpp_lib_hardware_interference_size 201703L
    446 #  endif
    447 # endif
    448 #endif /* !defined(__cpp_lib_hardware_interference_size) && defined(__glibcxx_want_hardware_interference_size) */
    449 #undef __glibcxx_want_hardware_interference_size
    450 
    451 #if !defined(__cpp_lib_invoke)
    452 # if (__cplusplus >= 201703L)
    453 #  define __glibcxx_invoke 201411L
    454 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_invoke)
    455 #   define __cpp_lib_invoke 201411L
    456 #  endif
    457 # endif
    458 #endif /* !defined(__cpp_lib_invoke) && defined(__glibcxx_want_invoke) */
    459 #undef __glibcxx_want_invoke
    460 
    461 #if !defined(__cpp_lib_is_aggregate)
    462 # if (__cplusplus >= 201703L) && (defined(_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE))
    463 #  define __glibcxx_is_aggregate 201703L
    464 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_aggregate)
    465 #   define __cpp_lib_is_aggregate 201703L
    466 #  endif
    467 # endif
    468 #endif /* !defined(__cpp_lib_is_aggregate) && defined(__glibcxx_want_is_aggregate) */
    469 #undef __glibcxx_want_is_aggregate
    470 
    471 #if !defined(__cpp_lib_is_invocable)
    472 # if (__cplusplus >= 201703L)
    473 #  define __glibcxx_is_invocable 201703L
    474 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_invocable)
    475 #   define __cpp_lib_is_invocable 201703L
    476 #  endif
    477 # endif
    478 #endif /* !defined(__cpp_lib_is_invocable) && defined(__glibcxx_want_is_invocable) */
    479 #undef __glibcxx_want_is_invocable
    480 
    481 #if !defined(__cpp_lib_launder)
    482 # if (__cplusplus >= 201703L) && (defined(_GLIBCXX_HAVE_BUILTIN_LAUNDER))
    483 #  define __glibcxx_launder 201606L
    484 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_launder)
    485 #   define __cpp_lib_launder 201606L
    486 #  endif
    487 # endif
    488 #endif /* !defined(__cpp_lib_launder) && defined(__glibcxx_want_launder) */
    489 #undef __glibcxx_want_launder
    490 
    491 #if !defined(__cpp_lib_logical_traits)
    492 # if (__cplusplus >= 201703L)
    493 #  define __glibcxx_logical_traits 201510L
    494 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_logical_traits)
    495 #   define __cpp_lib_logical_traits 201510L
    496 #  endif
    497 # endif
    498 #endif /* !defined(__cpp_lib_logical_traits) && defined(__glibcxx_want_logical_traits) */
    499 #undef __glibcxx_want_logical_traits
    500 
    501 #if !defined(__cpp_lib_make_from_tuple)
    502 # if (__cplusplus >= 201703L)
    503 #  define __glibcxx_make_from_tuple 201606L
    504 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_make_from_tuple)
    505 #   define __cpp_lib_make_from_tuple 201606L
    506 #  endif
    507 # endif
    508 #endif /* !defined(__cpp_lib_make_from_tuple) && defined(__glibcxx_want_make_from_tuple) */
    509 #undef __glibcxx_want_make_from_tuple
    510 
    511 #if !defined(__cpp_lib_not_fn)
    512 # if (__cplusplus >= 201703L)
    513 #  define __glibcxx_not_fn 201603L
    514 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_not_fn)
    515 #   define __cpp_lib_not_fn 201603L
    516 #  endif
    517 # endif
    518 #endif /* !defined(__cpp_lib_not_fn) && defined(__glibcxx_want_not_fn) */
    519 #undef __glibcxx_want_not_fn
    520 
    521 #if !defined(__cpp_lib_type_trait_variable_templates)
    522 # if (__cplusplus >= 201703L)
    523 #  define __glibcxx_type_trait_variable_templates 201510L
    524 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_type_trait_variable_templates)
    525 #   define __cpp_lib_type_trait_variable_templates 201510L
    526 #  endif
    527 # endif
    528 #endif /* !defined(__cpp_lib_type_trait_variable_templates) && defined(__glibcxx_want_type_trait_variable_templates) */
    529 #undef __glibcxx_want_type_trait_variable_templates
    530 
    531 #if !defined(__cpp_lib_variant)
    532 # if (__cplusplus >= 202002L) && (__cpp_concepts >= 202002L && __cpp_constexpr >= 201811L)
    533 #  define __glibcxx_variant 202106L
    534 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_variant)
    535 #   define __cpp_lib_variant 202106L
    536 #  endif
    537 # elif (__cplusplus >= 201703L)
    538 #  define __glibcxx_variant 202102L
    539 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_variant)
    540 #   define __cpp_lib_variant 202102L
    541 #  endif
    542 # endif
    543 #endif /* !defined(__cpp_lib_variant) && defined(__glibcxx_want_variant) */
    544 #undef __glibcxx_want_variant
    545 
    546 #if !defined(__cpp_lib_lcm)
    547 # if (__cplusplus >= 201703L)
    548 #  define __glibcxx_lcm 201606L
    549 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_lcm)
    550 #   define __cpp_lib_lcm 201606L
    551 #  endif
    552 # endif
    553 #endif /* !defined(__cpp_lib_lcm) && defined(__glibcxx_want_lcm) */
    554 #undef __glibcxx_want_lcm
    555 
    556 #if !defined(__cpp_lib_gcd)
    557 # if (__cplusplus >= 201703L)
    558 #  define __glibcxx_gcd 201606L
    559 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_gcd)
    560 #   define __cpp_lib_gcd 201606L
    561 #  endif
    562 # endif
    563 #endif /* !defined(__cpp_lib_gcd) && defined(__glibcxx_want_gcd) */
    564 #undef __glibcxx_want_gcd
    565 
    566 #if !defined(__cpp_lib_gcd_lcm)
    567 # if (__cplusplus >= 201703L)
    568 #  define __glibcxx_gcd_lcm 201606L
    569 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_gcd_lcm)
    570 #   define __cpp_lib_gcd_lcm 201606L
    571 #  endif
    572 # endif
    573 #endif /* !defined(__cpp_lib_gcd_lcm) && defined(__glibcxx_want_gcd_lcm) */
    574 #undef __glibcxx_want_gcd_lcm
    575 
    576 #if !defined(__cpp_lib_raw_memory_algorithms)
    577 # if (__cplusplus >= 201703L)
    578 #  define __glibcxx_raw_memory_algorithms 201606L
    579 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_raw_memory_algorithms)
    580 #   define __cpp_lib_raw_memory_algorithms 201606L
    581 #  endif
    582 # endif
    583 #endif /* !defined(__cpp_lib_raw_memory_algorithms) && defined(__glibcxx_want_raw_memory_algorithms) */
    584 #undef __glibcxx_want_raw_memory_algorithms
    585 
    586 #if !defined(__cpp_lib_array_constexpr)
    587 # if (__cplusplus >= 202002L)
    588 #  define __glibcxx_array_constexpr 201811L
    589 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_array_constexpr)
    590 #   define __cpp_lib_array_constexpr 201811L
    591 #  endif
    592 # elif (__cplusplus >= 201703L)
    593 #  define __glibcxx_array_constexpr 201803L
    594 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_array_constexpr)
    595 #   define __cpp_lib_array_constexpr 201803L
    596 #  endif
    597 # endif
    598 #endif /* !defined(__cpp_lib_array_constexpr) && defined(__glibcxx_want_array_constexpr) */
    599 #undef __glibcxx_want_array_constexpr
    600 
    601 #if !defined(__cpp_lib_nonmember_container_access)
    602 # if (__cplusplus >= 201703L)
    603 #  define __glibcxx_nonmember_container_access 201411L
    604 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_nonmember_container_access)
    605 #   define __cpp_lib_nonmember_container_access 201411L
    606 #  endif
    607 # endif
    608 #endif /* !defined(__cpp_lib_nonmember_container_access) && defined(__glibcxx_want_nonmember_container_access) */
    609 #undef __glibcxx_want_nonmember_container_access
    610 
    611 #if !defined(__cpp_lib_clamp)
    612 # if (__cplusplus >= 201703L)
    613 #  define __glibcxx_clamp 201603L
    614 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_clamp)
    615 #   define __cpp_lib_clamp 201603L
    616 #  endif
    617 # endif
    618 #endif /* !defined(__cpp_lib_clamp) && defined(__glibcxx_want_clamp) */
    619 #undef __glibcxx_want_clamp
    620 
    621 #if !defined(__cpp_lib_sample)
    622 # if (__cplusplus >= 201703L)
    623 #  define __glibcxx_sample 201603L
    624 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_sample)
    625 #   define __cpp_lib_sample 201603L
    626 #  endif
    627 # endif
    628 #endif /* !defined(__cpp_lib_sample) && defined(__glibcxx_want_sample) */
    629 #undef __glibcxx_want_sample
    630 
    631 #if !defined(__cpp_lib_boyer_moore_searcher)
    632 # if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    633 #  define __glibcxx_boyer_moore_searcher 201603L
    634 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_boyer_moore_searcher)
    635 #   define __cpp_lib_boyer_moore_searcher 201603L
    636 #  endif
    637 # endif
    638 #endif /* !defined(__cpp_lib_boyer_moore_searcher) && defined(__glibcxx_want_boyer_moore_searcher) */
    639 #undef __glibcxx_want_boyer_moore_searcher
    640 
    641 #if !defined(__cpp_lib_chrono)
    642 # if (__cplusplus >= 202002L) && _GLIBCXX_USE_CXX11_ABI && _GLIBCXX_HOSTED
    643 #  define __glibcxx_chrono 201907L
    644 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_chrono)
    645 #   define __cpp_lib_chrono 201907L
    646 #  endif
    647 # elif (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    648 #  define __glibcxx_chrono 201611L
    649 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_chrono)
    650 #   define __cpp_lib_chrono 201611L
    651 #  endif
    652 # endif
    653 #endif /* !defined(__cpp_lib_chrono) && defined(__glibcxx_want_chrono) */
    654 #undef __glibcxx_want_chrono
    655 
    656 #if !defined(__cpp_lib_execution)
    657 # if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    658 #  define __glibcxx_execution 201902L
    659 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_execution)
    660 #   define __cpp_lib_execution 201902L
    661 #  endif
    662 # endif
    663 #endif /* !defined(__cpp_lib_execution) && defined(__glibcxx_want_execution) */
    664 #undef __glibcxx_want_execution
    665 
    666 #if !defined(__cpp_lib_filesystem)
    667 # if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    668 #  define __glibcxx_filesystem 201703L
    669 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_filesystem)
    670 #   define __cpp_lib_filesystem 201703L
    671 #  endif
    672 # endif
    673 #endif /* !defined(__cpp_lib_filesystem) && defined(__glibcxx_want_filesystem) */
    674 #undef __glibcxx_want_filesystem
    675 
    676 #if !defined(__cpp_lib_hypot)
    677 # if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    678 #  define __glibcxx_hypot 201603L
    679 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_hypot)
    680 #   define __cpp_lib_hypot 201603L
    681 #  endif
    682 # endif
    683 #endif /* !defined(__cpp_lib_hypot) && defined(__glibcxx_want_hypot) */
    684 #undef __glibcxx_want_hypot
    685 
    686 #if !defined(__cpp_lib_map_try_emplace)
    687 # if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    688 #  define __glibcxx_map_try_emplace 201411L
    689 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_map_try_emplace)
    690 #   define __cpp_lib_map_try_emplace 201411L
    691 #  endif
    692 # endif
    693 #endif /* !defined(__cpp_lib_map_try_emplace) && defined(__glibcxx_want_map_try_emplace) */
    694 #undef __glibcxx_want_map_try_emplace
    695 
    696 #if !defined(__cpp_lib_math_special_functions)
    697 # if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    698 #  define __glibcxx_math_special_functions 201603L
    699 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_math_special_functions)
    700 #   define __cpp_lib_math_special_functions 201603L
    701 #  endif
    702 # endif
    703 #endif /* !defined(__cpp_lib_math_special_functions) && defined(__glibcxx_want_math_special_functions) */
    704 #undef __glibcxx_want_math_special_functions
    705 
    706 #if !defined(__cpp_lib_memory_resource)
    707 # if (__cplusplus >= 201703L) && defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
    708 #  define __glibcxx_memory_resource 201603L
    709 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_memory_resource)
    710 #   define __cpp_lib_memory_resource 201603L
    711 #  endif
    712 # elif (__cplusplus >= 201703L) && !defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
    713 #  define __glibcxx_memory_resource 1L
    714 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_memory_resource)
    715 #   define __cpp_lib_memory_resource 1L
    716 #  endif
    717 # endif
    718 #endif /* !defined(__cpp_lib_memory_resource) && defined(__glibcxx_want_memory_resource) */
    719 #undef __glibcxx_want_memory_resource
    720 
    721 #if !defined(__cpp_lib_node_extract)
    722 # if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    723 #  define __glibcxx_node_extract 201606L
    724 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_node_extract)
    725 #   define __cpp_lib_node_extract 201606L
    726 #  endif
    727 # endif
    728 #endif /* !defined(__cpp_lib_node_extract) && defined(__glibcxx_want_node_extract) */
    729 #undef __glibcxx_want_node_extract
    730 
    731 #if !defined(__cpp_lib_parallel_algorithm)
    732 # if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    733 #  define __glibcxx_parallel_algorithm 201603L
    734 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_parallel_algorithm)
    735 #   define __cpp_lib_parallel_algorithm 201603L
    736 #  endif
    737 # endif
    738 #endif /* !defined(__cpp_lib_parallel_algorithm) && defined(__glibcxx_want_parallel_algorithm) */
    739 #undef __glibcxx_want_parallel_algorithm
    740 
    741 #if !defined(__cpp_lib_scoped_lock)
    742 # if (__cplusplus >= 201703L)
    743 #  define __glibcxx_scoped_lock 201703L
    744 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_scoped_lock)
    745 #   define __cpp_lib_scoped_lock 201703L
    746 #  endif
    747 # endif
    748 #endif /* !defined(__cpp_lib_scoped_lock) && defined(__glibcxx_want_scoped_lock) */
    749 #undef __glibcxx_want_scoped_lock
    750 
    751 #if !defined(__cpp_lib_shared_mutex)
    752 # if (__cplusplus >= 201703L) && defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
    753 #  define __glibcxx_shared_mutex 201505L
    754 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_shared_mutex)
    755 #   define __cpp_lib_shared_mutex 201505L
    756 #  endif
    757 # endif
    758 #endif /* !defined(__cpp_lib_shared_mutex) && defined(__glibcxx_want_shared_mutex) */
    759 #undef __glibcxx_want_shared_mutex
    760 
    761 #if !defined(__cpp_lib_shared_ptr_weak_type)
    762 # if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    763 #  define __glibcxx_shared_ptr_weak_type 201606L
    764 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_shared_ptr_weak_type)
    765 #   define __cpp_lib_shared_ptr_weak_type 201606L
    766 #  endif
    767 # endif
    768 #endif /* !defined(__cpp_lib_shared_ptr_weak_type) && defined(__glibcxx_want_shared_ptr_weak_type) */
    769 #undef __glibcxx_want_shared_ptr_weak_type
    770 
    771 #if !defined(__cpp_lib_string_view)
    772 # if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    773 #  define __glibcxx_string_view 201803L
    774 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_string_view)
    775 #   define __cpp_lib_string_view 201803L
    776 #  endif
    777 # endif
    778 #endif /* !defined(__cpp_lib_string_view) && defined(__glibcxx_want_string_view) */
    779 #undef __glibcxx_want_string_view
    780 
    781 #if !defined(__cpp_lib_unordered_map_try_emplace)
    782 # if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
    783 #  define __glibcxx_unordered_map_try_emplace 201411L
    784 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_unordered_map_try_emplace)
    785 #   define __cpp_lib_unordered_map_try_emplace 201411L
    786 #  endif
    787 # endif
    788 #endif /* !defined(__cpp_lib_unordered_map_try_emplace) && defined(__glibcxx_want_unordered_map_try_emplace) */
    789 #undef __glibcxx_want_unordered_map_try_emplace
    790 
    791 #if !defined(__cpp_lib_assume_aligned)
    792 # if (__cplusplus >= 202002L)
    793 #  define __glibcxx_assume_aligned 201811L
    794 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_assume_aligned)
    795 #   define __cpp_lib_assume_aligned 201811L
    796 #  endif
    797 # endif
    798 #endif /* !defined(__cpp_lib_assume_aligned) && defined(__glibcxx_want_assume_aligned) */
    799 #undef __glibcxx_want_assume_aligned
    800 
    801 #if !defined(__cpp_lib_atomic_flag_test)
    802 # if (__cplusplus >= 202002L)
    803 #  define __glibcxx_atomic_flag_test 201907L
    804 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_flag_test)
    805 #   define __cpp_lib_atomic_flag_test 201907L
    806 #  endif
    807 # endif
    808 #endif /* !defined(__cpp_lib_atomic_flag_test) && defined(__glibcxx_want_atomic_flag_test) */
    809 #undef __glibcxx_want_atomic_flag_test
    810 
    811 #if !defined(__cpp_lib_atomic_float)
    812 # if (__cplusplus >= 202002L)
    813 #  define __glibcxx_atomic_float 201711L
    814 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_float)
    815 #   define __cpp_lib_atomic_float 201711L
    816 #  endif
    817 # endif
    818 #endif /* !defined(__cpp_lib_atomic_float) && defined(__glibcxx_want_atomic_float) */
    819 #undef __glibcxx_want_atomic_float
    820 
    821 #if !defined(__cpp_lib_atomic_lock_free_type_aliases)
    822 # if (__cplusplus >= 202002L) && ((__GCC_ATOMIC_INT_LOCK_FREE | __GCC_ATOMIC_LONG_LOCK_FREE | __GCC_ATOMIC_CHAR_LOCK_FREE) & 2)
    823 #  define __glibcxx_atomic_lock_free_type_aliases 201907L
    824 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_lock_free_type_aliases)
    825 #   define __cpp_lib_atomic_lock_free_type_aliases 201907L
    826 #  endif
    827 # endif
    828 #endif /* !defined(__cpp_lib_atomic_lock_free_type_aliases) && defined(__glibcxx_want_atomic_lock_free_type_aliases) */
    829 #undef __glibcxx_want_atomic_lock_free_type_aliases
    830 
    831 #if !defined(__cpp_lib_atomic_ref)
    832 # if (__cplusplus >= 202002L)
    833 #  define __glibcxx_atomic_ref 201806L
    834 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_ref)
    835 #   define __cpp_lib_atomic_ref 201806L
    836 #  endif
    837 # endif
    838 #endif /* !defined(__cpp_lib_atomic_ref) && defined(__glibcxx_want_atomic_ref) */
    839 #undef __glibcxx_want_atomic_ref
    840 
    841 #if !defined(__cpp_lib_atomic_value_initialization)
    842 # if (__cplusplus >= 202002L)
    843 #  define __glibcxx_atomic_value_initialization 201911L
    844 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_value_initialization)
    845 #   define __cpp_lib_atomic_value_initialization 201911L
    846 #  endif
    847 # endif
    848 #endif /* !defined(__cpp_lib_atomic_value_initialization) && defined(__glibcxx_want_atomic_value_initialization) */
    849 #undef __glibcxx_want_atomic_value_initialization
    850 
    851 #if !defined(__cpp_lib_bind_front)
    852 # if (__cplusplus >= 202002L)
    853 #  define __glibcxx_bind_front 201907L
    854 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_bind_front)
    855 #   define __cpp_lib_bind_front 201907L
    856 #  endif
    857 # endif
    858 #endif /* !defined(__cpp_lib_bind_front) && defined(__glibcxx_want_bind_front) */
    859 #undef __glibcxx_want_bind_front
    860 
    861 #if !defined(__cpp_lib_bind_back)
    862 # if (__cplusplus >= 202100L) && (__cpp_explicit_this_parameter)
    863 #  define __glibcxx_bind_back 202202L
    864 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_bind_back)
    865 #   define __cpp_lib_bind_back 202202L
    866 #  endif
    867 # endif
    868 #endif /* !defined(__cpp_lib_bind_back) && defined(__glibcxx_want_bind_back) */
    869 #undef __glibcxx_want_bind_back
    870 
    871 #if !defined(__cpp_lib_starts_ends_with)
    872 # if (__cplusplus >= 202002L)
    873 #  define __glibcxx_starts_ends_with 201711L
    874 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_starts_ends_with)
    875 #   define __cpp_lib_starts_ends_with 201711L
    876 #  endif
    877 # endif
    878 #endif /* !defined(__cpp_lib_starts_ends_with) && defined(__glibcxx_want_starts_ends_with) */
    879 #undef __glibcxx_want_starts_ends_with
    880 
    881 #if !defined(__cpp_lib_bit_cast)
    882 # if (__cplusplus >= 202002L) && (__has_builtin(__builtin_bit_cast))
    883 #  define __glibcxx_bit_cast 201806L
    884 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_bit_cast)
    885 #   define __cpp_lib_bit_cast 201806L
    886 #  endif
    887 # endif
    888 #endif /* !defined(__cpp_lib_bit_cast) && defined(__glibcxx_want_bit_cast) */
    889 #undef __glibcxx_want_bit_cast
    890 
    891 #if !defined(__cpp_lib_bitops)
    892 # if (__cplusplus >= 202002L)
    893 #  define __glibcxx_bitops 201907L
    894 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_bitops)
    895 #   define __cpp_lib_bitops 201907L
    896 #  endif
    897 # endif
    898 #endif /* !defined(__cpp_lib_bitops) && defined(__glibcxx_want_bitops) */
    899 #undef __glibcxx_want_bitops
    900 
    901 #if !defined(__cpp_lib_bounded_array_traits)
    902 # if (__cplusplus >= 202002L)
    903 #  define __glibcxx_bounded_array_traits 201902L
    904 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_bounded_array_traits)
    905 #   define __cpp_lib_bounded_array_traits 201902L
    906 #  endif
    907 # endif
    908 #endif /* !defined(__cpp_lib_bounded_array_traits) && defined(__glibcxx_want_bounded_array_traits) */
    909 #undef __glibcxx_want_bounded_array_traits
    910 
    911 #if !defined(__cpp_lib_concepts)
    912 # if (__cplusplus >= 202002L) && (__cpp_concepts >= 201907L)
    913 #  define __glibcxx_concepts 202002L
    914 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_concepts)
    915 #   define __cpp_lib_concepts 202002L
    916 #  endif
    917 # endif
    918 #endif /* !defined(__cpp_lib_concepts) && defined(__glibcxx_want_concepts) */
    919 #undef __glibcxx_want_concepts
    920 
    921 #if !defined(__cpp_lib_optional)
    922 # if (__cplusplus >= 202100L) && (__glibcxx_concepts)
    923 #  define __glibcxx_optional 202110L
    924 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_optional)
    925 #   define __cpp_lib_optional 202110L
    926 #  endif
    927 # elif (__cplusplus >= 202002L)
    928 #  define __glibcxx_optional 202106L
    929 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_optional)
    930 #   define __cpp_lib_optional 202106L
    931 #  endif
    932 # elif (__cplusplus >= 201703L)
    933 #  define __glibcxx_optional 201606L
    934 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_optional)
    935 #   define __cpp_lib_optional 201606L
    936 #  endif
    937 # endif
    938 #endif /* !defined(__cpp_lib_optional) && defined(__glibcxx_want_optional) */
    939 #undef __glibcxx_want_optional
    940 
    941 #if !defined(__cpp_lib_destroying_delete)
    942 # if (__cplusplus >= 202002L) && (__cpp_impl_destroying_delete)
    943 #  define __glibcxx_destroying_delete 201806L
    944 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_destroying_delete)
    945 #   define __cpp_lib_destroying_delete 201806L
    946 #  endif
    947 # endif
    948 #endif /* !defined(__cpp_lib_destroying_delete) && defined(__glibcxx_want_destroying_delete) */
    949 #undef __glibcxx_want_destroying_delete
    950 
    951 #if !defined(__cpp_lib_constexpr_string_view)
    952 # if (__cplusplus >= 202002L)
    953 #  define __glibcxx_constexpr_string_view 201811L
    954 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_string_view)
    955 #   define __cpp_lib_constexpr_string_view 201811L
    956 #  endif
    957 # endif
    958 #endif /* !defined(__cpp_lib_constexpr_string_view) && defined(__glibcxx_want_constexpr_string_view) */
    959 #undef __glibcxx_want_constexpr_string_view
    960 
    961 #if !defined(__cpp_lib_endian)
    962 # if (__cplusplus >= 202002L)
    963 #  define __glibcxx_endian 201907L
    964 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_endian)
    965 #   define __cpp_lib_endian 201907L
    966 #  endif
    967 # endif
    968 #endif /* !defined(__cpp_lib_endian) && defined(__glibcxx_want_endian) */
    969 #undef __glibcxx_want_endian
    970 
    971 #if !defined(__cpp_lib_int_pow2)
    972 # if (__cplusplus >= 202002L)
    973 #  define __glibcxx_int_pow2 202002L
    974 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_int_pow2)
    975 #   define __cpp_lib_int_pow2 202002L
    976 #  endif
    977 # endif
    978 #endif /* !defined(__cpp_lib_int_pow2) && defined(__glibcxx_want_int_pow2) */
    979 #undef __glibcxx_want_int_pow2
    980 
    981 #if !defined(__cpp_lib_integer_comparison_functions)
    982 # if (__cplusplus >= 202002L)
    983 #  define __glibcxx_integer_comparison_functions 202002L
    984 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_integer_comparison_functions)
    985 #   define __cpp_lib_integer_comparison_functions 202002L
    986 #  endif
    987 # endif
    988 #endif /* !defined(__cpp_lib_integer_comparison_functions) && defined(__glibcxx_want_integer_comparison_functions) */
    989 #undef __glibcxx_want_integer_comparison_functions
    990 
    991 #if !defined(__cpp_lib_is_constant_evaluated)
    992 # if (__cplusplus >= 202002L) && (defined(_GLIBCXX_HAVE_IS_CONSTANT_EVALUATED))
    993 #  define __glibcxx_is_constant_evaluated 201811L
    994 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_constant_evaluated)
    995 #   define __cpp_lib_is_constant_evaluated 201811L
    996 #  endif
    997 # endif
    998 #endif /* !defined(__cpp_lib_is_constant_evaluated) && defined(__glibcxx_want_is_constant_evaluated) */
    999 #undef __glibcxx_want_is_constant_evaluated
   1000 
   1001 #if !defined(__cpp_lib_constexpr_char_traits)
   1002 # if (__cplusplus >= 202002L) && (defined(__glibcxx_is_constant_evaluated))
   1003 #  define __glibcxx_constexpr_char_traits 201811L
   1004 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_char_traits)
   1005 #   define __cpp_lib_constexpr_char_traits 201811L
   1006 #  endif
   1007 # elif (__cplusplus >= 201703L) && (_GLIBCXX_HAVE_IS_CONSTANT_EVALUATED)
   1008 #  define __glibcxx_constexpr_char_traits 201611L
   1009 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_char_traits)
   1010 #   define __cpp_lib_constexpr_char_traits 201611L
   1011 #  endif
   1012 # endif
   1013 #endif /* !defined(__cpp_lib_constexpr_char_traits) && defined(__glibcxx_want_constexpr_char_traits) */
   1014 #undef __glibcxx_want_constexpr_char_traits
   1015 
   1016 #if !defined(__cpp_lib_is_layout_compatible)
   1017 # if (__cplusplus >= 202002L) && (__has_builtin(__is_layout_compatible) && __has_builtin(__builtin_is_corresponding_member))
   1018 #  define __glibcxx_is_layout_compatible 201907L
   1019 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_layout_compatible)
   1020 #   define __cpp_lib_is_layout_compatible 201907L
   1021 #  endif
   1022 # endif
   1023 #endif /* !defined(__cpp_lib_is_layout_compatible) && defined(__glibcxx_want_is_layout_compatible) */
   1024 #undef __glibcxx_want_is_layout_compatible
   1025 
   1026 #if !defined(__cpp_lib_is_nothrow_convertible)
   1027 # if (__cplusplus >= 202002L)
   1028 #  define __glibcxx_is_nothrow_convertible 201806L
   1029 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_nothrow_convertible)
   1030 #   define __cpp_lib_is_nothrow_convertible 201806L
   1031 #  endif
   1032 # endif
   1033 #endif /* !defined(__cpp_lib_is_nothrow_convertible) && defined(__glibcxx_want_is_nothrow_convertible) */
   1034 #undef __glibcxx_want_is_nothrow_convertible
   1035 
   1036 #if !defined(__cpp_lib_is_pointer_interconvertible)
   1037 # if (__cplusplus >= 202002L) && (__has_builtin(__is_pointer_interconvertible_base_of) && __has_builtin(__builtin_is_pointer_interconvertible_with_class))
   1038 #  define __glibcxx_is_pointer_interconvertible 201907L
   1039 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_pointer_interconvertible)
   1040 #   define __cpp_lib_is_pointer_interconvertible 201907L
   1041 #  endif
   1042 # endif
   1043 #endif /* !defined(__cpp_lib_is_pointer_interconvertible) && defined(__glibcxx_want_is_pointer_interconvertible) */
   1044 #undef __glibcxx_want_is_pointer_interconvertible
   1045 
   1046 #if !defined(__cpp_lib_math_constants)
   1047 # if (__cplusplus >= 202002L)
   1048 #  define __glibcxx_math_constants 201907L
   1049 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_math_constants)
   1050 #   define __cpp_lib_math_constants 201907L
   1051 #  endif
   1052 # endif
   1053 #endif /* !defined(__cpp_lib_math_constants) && defined(__glibcxx_want_math_constants) */
   1054 #undef __glibcxx_want_math_constants
   1055 
   1056 #if !defined(__cpp_lib_make_obj_using_allocator)
   1057 # if (__cplusplus >= 202002L) && (__cpp_concepts)
   1058 #  define __glibcxx_make_obj_using_allocator 201811L
   1059 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_make_obj_using_allocator)
   1060 #   define __cpp_lib_make_obj_using_allocator 201811L
   1061 #  endif
   1062 # endif
   1063 #endif /* !defined(__cpp_lib_make_obj_using_allocator) && defined(__glibcxx_want_make_obj_using_allocator) */
   1064 #undef __glibcxx_want_make_obj_using_allocator
   1065 
   1066 #if !defined(__cpp_lib_remove_cvref)
   1067 # if (__cplusplus >= 202002L)
   1068 #  define __glibcxx_remove_cvref 201711L
   1069 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_remove_cvref)
   1070 #   define __cpp_lib_remove_cvref 201711L
   1071 #  endif
   1072 # endif
   1073 #endif /* !defined(__cpp_lib_remove_cvref) && defined(__glibcxx_want_remove_cvref) */
   1074 #undef __glibcxx_want_remove_cvref
   1075 
   1076 #if !defined(__cpp_lib_source_location)
   1077 # if (__cplusplus >= 202002L) && (__has_builtin(__builtin_source_location))
   1078 #  define __glibcxx_source_location 201907L
   1079 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_source_location)
   1080 #   define __cpp_lib_source_location 201907L
   1081 #  endif
   1082 # endif
   1083 #endif /* !defined(__cpp_lib_source_location) && defined(__glibcxx_want_source_location) */
   1084 #undef __glibcxx_want_source_location
   1085 
   1086 #if !defined(__cpp_lib_span)
   1087 # if (__cplusplus >  202302L) && (__glibcxx_concepts)
   1088 #  define __glibcxx_span 202311L
   1089 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_span)
   1090 #   define __cpp_lib_span 202311L
   1091 #  endif
   1092 # elif (__cplusplus >= 202002L) && (__glibcxx_concepts)
   1093 #  define __glibcxx_span 202002L
   1094 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_span)
   1095 #   define __cpp_lib_span 202002L
   1096 #  endif
   1097 # endif
   1098 #endif /* !defined(__cpp_lib_span) && defined(__glibcxx_want_span) */
   1099 #undef __glibcxx_want_span
   1100 
   1101 #if !defined(__cpp_lib_ssize)
   1102 # if (__cplusplus >= 202002L)
   1103 #  define __glibcxx_ssize 201902L
   1104 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ssize)
   1105 #   define __cpp_lib_ssize 201902L
   1106 #  endif
   1107 # endif
   1108 #endif /* !defined(__cpp_lib_ssize) && defined(__glibcxx_want_ssize) */
   1109 #undef __glibcxx_want_ssize
   1110 
   1111 #if !defined(__cpp_lib_three_way_comparison)
   1112 # if (__cplusplus >= 202002L) && (__cpp_impl_three_way_comparison >= 201907L && __glibcxx_concepts)
   1113 #  define __glibcxx_three_way_comparison 201907L
   1114 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_three_way_comparison)
   1115 #   define __cpp_lib_three_way_comparison 201907L
   1116 #  endif
   1117 # endif
   1118 #endif /* !defined(__cpp_lib_three_way_comparison) && defined(__glibcxx_want_three_way_comparison) */
   1119 #undef __glibcxx_want_three_way_comparison
   1120 
   1121 #if !defined(__cpp_lib_to_address)
   1122 # if (__cplusplus >= 202002L)
   1123 #  define __glibcxx_to_address 201711L
   1124 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_to_address)
   1125 #   define __cpp_lib_to_address 201711L
   1126 #  endif
   1127 # endif
   1128 #endif /* !defined(__cpp_lib_to_address) && defined(__glibcxx_want_to_address) */
   1129 #undef __glibcxx_want_to_address
   1130 
   1131 #if !defined(__cpp_lib_to_array)
   1132 # if (__cplusplus >= 202002L) && (__cpp_generic_lambdas >= 201707L)
   1133 #  define __glibcxx_to_array 201907L
   1134 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_to_array)
   1135 #   define __cpp_lib_to_array 201907L
   1136 #  endif
   1137 # endif
   1138 #endif /* !defined(__cpp_lib_to_array) && defined(__glibcxx_want_to_array) */
   1139 #undef __glibcxx_want_to_array
   1140 
   1141 #if !defined(__cpp_lib_type_identity)
   1142 # if (__cplusplus >= 202002L)
   1143 #  define __glibcxx_type_identity 201806L
   1144 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_type_identity)
   1145 #   define __cpp_lib_type_identity 201806L
   1146 #  endif
   1147 # endif
   1148 #endif /* !defined(__cpp_lib_type_identity) && defined(__glibcxx_want_type_identity) */
   1149 #undef __glibcxx_want_type_identity
   1150 
   1151 #if !defined(__cpp_lib_unwrap_ref)
   1152 # if (__cplusplus >= 202002L)
   1153 #  define __glibcxx_unwrap_ref 201811L
   1154 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_unwrap_ref)
   1155 #   define __cpp_lib_unwrap_ref 201811L
   1156 #  endif
   1157 # endif
   1158 #endif /* !defined(__cpp_lib_unwrap_ref) && defined(__glibcxx_want_unwrap_ref) */
   1159 #undef __glibcxx_want_unwrap_ref
   1160 
   1161 #if !defined(__cpp_lib_constexpr_iterator)
   1162 # if (__cplusplus >= 202002L)
   1163 #  define __glibcxx_constexpr_iterator 201811L
   1164 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_iterator)
   1165 #   define __cpp_lib_constexpr_iterator 201811L
   1166 #  endif
   1167 # endif
   1168 #endif /* !defined(__cpp_lib_constexpr_iterator) && defined(__glibcxx_want_constexpr_iterator) */
   1169 #undef __glibcxx_want_constexpr_iterator
   1170 
   1171 #if !defined(__cpp_lib_interpolate)
   1172 # if (__cplusplus >= 202002L)
   1173 #  define __glibcxx_interpolate 201902L
   1174 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_interpolate)
   1175 #   define __cpp_lib_interpolate 201902L
   1176 #  endif
   1177 # endif
   1178 #endif /* !defined(__cpp_lib_interpolate) && defined(__glibcxx_want_interpolate) */
   1179 #undef __glibcxx_want_interpolate
   1180 
   1181 #if !defined(__cpp_lib_constexpr_utility)
   1182 # if (__cplusplus >= 202002L)
   1183 #  define __glibcxx_constexpr_utility 201811L
   1184 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_utility)
   1185 #   define __cpp_lib_constexpr_utility 201811L
   1186 #  endif
   1187 # endif
   1188 #endif /* !defined(__cpp_lib_constexpr_utility) && defined(__glibcxx_want_constexpr_utility) */
   1189 #undef __glibcxx_want_constexpr_utility
   1190 
   1191 #if !defined(__cpp_lib_shift)
   1192 # if (__cplusplus >= 202002L)
   1193 #  define __glibcxx_shift 201806L
   1194 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_shift)
   1195 #   define __cpp_lib_shift 201806L
   1196 #  endif
   1197 # endif
   1198 #endif /* !defined(__cpp_lib_shift) && defined(__glibcxx_want_shift) */
   1199 #undef __glibcxx_want_shift
   1200 
   1201 #if !defined(__cpp_lib_ranges)
   1202 # if (__cplusplus >  202302L) && (__glibcxx_concepts)
   1203 #  define __glibcxx_ranges 202406L
   1204 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges)
   1205 #   define __cpp_lib_ranges 202406L
   1206 #  endif
   1207 # elif (__cplusplus >= 202100L) && (__glibcxx_concepts)
   1208 #  define __glibcxx_ranges 202302L
   1209 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges)
   1210 #   define __cpp_lib_ranges 202302L
   1211 #  endif
   1212 # elif (__cplusplus >= 202002L) && (__glibcxx_concepts)
   1213 #  define __glibcxx_ranges 202110L
   1214 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges)
   1215 #   define __cpp_lib_ranges 202110L
   1216 #  endif
   1217 # endif
   1218 #endif /* !defined(__cpp_lib_ranges) && defined(__glibcxx_want_ranges) */
   1219 #undef __glibcxx_want_ranges
   1220 
   1221 #if !defined(__cpp_lib_constexpr_numeric)
   1222 # if (__cplusplus >= 202002L)
   1223 #  define __glibcxx_constexpr_numeric 201911L
   1224 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_numeric)
   1225 #   define __cpp_lib_constexpr_numeric 201911L
   1226 #  endif
   1227 # endif
   1228 #endif /* !defined(__cpp_lib_constexpr_numeric) && defined(__glibcxx_want_constexpr_numeric) */
   1229 #undef __glibcxx_want_constexpr_numeric
   1230 
   1231 #if !defined(__cpp_lib_constexpr_functional)
   1232 # if (__cplusplus >= 202002L)
   1233 #  define __glibcxx_constexpr_functional 201907L
   1234 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_functional)
   1235 #   define __cpp_lib_constexpr_functional 201907L
   1236 #  endif
   1237 # endif
   1238 #endif /* !defined(__cpp_lib_constexpr_functional) && defined(__glibcxx_want_constexpr_functional) */
   1239 #undef __glibcxx_want_constexpr_functional
   1240 
   1241 #if !defined(__cpp_lib_constexpr_algorithms)
   1242 # if (__cplusplus >= 202002L)
   1243 #  define __glibcxx_constexpr_algorithms 201806L
   1244 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_algorithms)
   1245 #   define __cpp_lib_constexpr_algorithms 201806L
   1246 #  endif
   1247 # endif
   1248 #endif /* !defined(__cpp_lib_constexpr_algorithms) && defined(__glibcxx_want_constexpr_algorithms) */
   1249 #undef __glibcxx_want_constexpr_algorithms
   1250 
   1251 #if !defined(__cpp_lib_constexpr_tuple)
   1252 # if (__cplusplus >= 202002L)
   1253 #  define __glibcxx_constexpr_tuple 201811L
   1254 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_tuple)
   1255 #   define __cpp_lib_constexpr_tuple 201811L
   1256 #  endif
   1257 # endif
   1258 #endif /* !defined(__cpp_lib_constexpr_tuple) && defined(__glibcxx_want_constexpr_tuple) */
   1259 #undef __glibcxx_want_constexpr_tuple
   1260 
   1261 #if !defined(__cpp_lib_constexpr_memory)
   1262 # if (__cplusplus >= 202100L) && (__cpp_constexpr_dynamic_alloc)
   1263 #  define __glibcxx_constexpr_memory 202202L
   1264 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_memory)
   1265 #   define __cpp_lib_constexpr_memory 202202L
   1266 #  endif
   1267 # elif (__cplusplus >= 202002L)
   1268 #  define __glibcxx_constexpr_memory 201811L
   1269 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_memory)
   1270 #   define __cpp_lib_constexpr_memory 201811L
   1271 #  endif
   1272 # endif
   1273 #endif /* !defined(__cpp_lib_constexpr_memory) && defined(__glibcxx_want_constexpr_memory) */
   1274 #undef __glibcxx_want_constexpr_memory
   1275 
   1276 #if !defined(__cpp_lib_atomic_shared_ptr)
   1277 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
   1278 #  define __glibcxx_atomic_shared_ptr 201711L
   1279 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_shared_ptr)
   1280 #   define __cpp_lib_atomic_shared_ptr 201711L
   1281 #  endif
   1282 # endif
   1283 #endif /* !defined(__cpp_lib_atomic_shared_ptr) && defined(__glibcxx_want_atomic_shared_ptr) */
   1284 #undef __glibcxx_want_atomic_shared_ptr
   1285 
   1286 #if !defined(__cpp_lib_atomic_wait)
   1287 # if (__cplusplus >= 202002L) && defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
   1288 #  define __glibcxx_atomic_wait 201907L
   1289 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_wait)
   1290 #   define __cpp_lib_atomic_wait 201907L
   1291 #  endif
   1292 # elif (__cplusplus >= 202002L) && !defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED && (defined(_GLIBCXX_HAVE_LINUX_FUTEX))
   1293 #  define __glibcxx_atomic_wait 201907L
   1294 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_wait)
   1295 #   define __cpp_lib_atomic_wait 201907L
   1296 #  endif
   1297 # endif
   1298 #endif /* !defined(__cpp_lib_atomic_wait) && defined(__glibcxx_want_atomic_wait) */
   1299 #undef __glibcxx_want_atomic_wait
   1300 
   1301 #if !defined(__cpp_lib_barrier)
   1302 # if (__cplusplus >= 202002L) && (__cpp_aligned_new && __glibcxx_atomic_wait)
   1303 #  define __glibcxx_barrier 201907L
   1304 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_barrier)
   1305 #   define __cpp_lib_barrier 201907L
   1306 #  endif
   1307 # endif
   1308 #endif /* !defined(__cpp_lib_barrier) && defined(__glibcxx_want_barrier) */
   1309 #undef __glibcxx_want_barrier
   1310 
   1311 #if !defined(__cpp_lib_format)
   1312 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
   1313 #  define __glibcxx_format 202110L
   1314 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_format)
   1315 #   define __cpp_lib_format 202110L
   1316 #  endif
   1317 # endif
   1318 #endif /* !defined(__cpp_lib_format) && defined(__glibcxx_want_format) */
   1319 #undef __glibcxx_want_format
   1320 
   1321 #if !defined(__cpp_lib_format_uchar)
   1322 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
   1323 #  define __glibcxx_format_uchar 202311L
   1324 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_format_uchar)
   1325 #   define __cpp_lib_format_uchar 202311L
   1326 #  endif
   1327 # endif
   1328 #endif /* !defined(__cpp_lib_format_uchar) && defined(__glibcxx_want_format_uchar) */
   1329 #undef __glibcxx_want_format_uchar
   1330 
   1331 #if !defined(__cpp_lib_constexpr_complex)
   1332 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
   1333 #  define __glibcxx_constexpr_complex 201711L
   1334 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_complex)
   1335 #   define __cpp_lib_constexpr_complex 201711L
   1336 #  endif
   1337 # endif
   1338 #endif /* !defined(__cpp_lib_constexpr_complex) && defined(__glibcxx_want_constexpr_complex) */
   1339 #undef __glibcxx_want_constexpr_complex
   1340 
   1341 #if !defined(__cpp_lib_constexpr_dynamic_alloc)
   1342 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
   1343 #  define __glibcxx_constexpr_dynamic_alloc 201907L
   1344 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_dynamic_alloc)
   1345 #   define __cpp_lib_constexpr_dynamic_alloc 201907L
   1346 #  endif
   1347 # endif
   1348 #endif /* !defined(__cpp_lib_constexpr_dynamic_alloc) && defined(__glibcxx_want_constexpr_dynamic_alloc) */
   1349 #undef __glibcxx_want_constexpr_dynamic_alloc
   1350 
   1351 #if !defined(__cpp_lib_constexpr_string)
   1352 # if (__cplusplus >= 202002L) && _GLIBCXX_USE_CXX11_ABI && _GLIBCXX_HOSTED && (defined(__glibcxx_is_constant_evaluated))
   1353 #  define __glibcxx_constexpr_string 201907L
   1354 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_string)
   1355 #   define __cpp_lib_constexpr_string 201907L
   1356 #  endif
   1357 # elif (__cplusplus >= 202002L) && !_GLIBCXX_USE_CXX11_ABI && _GLIBCXX_HOSTED && (defined(__glibcxx_is_constant_evaluated))
   1358 #  define __glibcxx_constexpr_string 201811L
   1359 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_string)
   1360 #   define __cpp_lib_constexpr_string 201811L
   1361 #  endif
   1362 # elif (__cplusplus >= 201703L) && _GLIBCXX_HOSTED && (_GLIBCXX_HAVE_IS_CONSTANT_EVALUATED)
   1363 #  define __glibcxx_constexpr_string 201611L
   1364 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_string)
   1365 #   define __cpp_lib_constexpr_string 201611L
   1366 #  endif
   1367 # endif
   1368 #endif /* !defined(__cpp_lib_constexpr_string) && defined(__glibcxx_want_constexpr_string) */
   1369 #undef __glibcxx_want_constexpr_string
   1370 
   1371 #if !defined(__cpp_lib_constexpr_vector)
   1372 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
   1373 #  define __glibcxx_constexpr_vector 201907L
   1374 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_vector)
   1375 #   define __cpp_lib_constexpr_vector 201907L
   1376 #  endif
   1377 # endif
   1378 #endif /* !defined(__cpp_lib_constexpr_vector) && defined(__glibcxx_want_constexpr_vector) */
   1379 #undef __glibcxx_want_constexpr_vector
   1380 
   1381 #if !defined(__cpp_lib_erase_if)
   1382 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
   1383 #  define __glibcxx_erase_if 202002L
   1384 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_erase_if)
   1385 #   define __cpp_lib_erase_if 202002L
   1386 #  endif
   1387 # endif
   1388 #endif /* !defined(__cpp_lib_erase_if) && defined(__glibcxx_want_erase_if) */
   1389 #undef __glibcxx_want_erase_if
   1390 
   1391 #if !defined(__cpp_lib_generic_unordered_lookup)
   1392 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
   1393 #  define __glibcxx_generic_unordered_lookup 201811L
   1394 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_generic_unordered_lookup)
   1395 #   define __cpp_lib_generic_unordered_lookup 201811L
   1396 #  endif
   1397 # endif
   1398 #endif /* !defined(__cpp_lib_generic_unordered_lookup) && defined(__glibcxx_want_generic_unordered_lookup) */
   1399 #undef __glibcxx_want_generic_unordered_lookup
   1400 
   1401 #if !defined(__cpp_lib_jthread)
   1402 # if (__cplusplus >= 202002L) && defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
   1403 #  define __glibcxx_jthread 201911L
   1404 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_jthread)
   1405 #   define __cpp_lib_jthread 201911L
   1406 #  endif
   1407 # endif
   1408 #endif /* !defined(__cpp_lib_jthread) && defined(__glibcxx_want_jthread) */
   1409 #undef __glibcxx_want_jthread
   1410 
   1411 #if !defined(__cpp_lib_latch)
   1412 # if (__cplusplus >= 202002L) && (__glibcxx_atomic_wait)
   1413 #  define __glibcxx_latch 201907L
   1414 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_latch)
   1415 #   define __cpp_lib_latch 201907L
   1416 #  endif
   1417 # endif
   1418 #endif /* !defined(__cpp_lib_latch) && defined(__glibcxx_want_latch) */
   1419 #undef __glibcxx_want_latch
   1420 
   1421 #if !defined(__cpp_lib_list_remove_return_type)
   1422 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
   1423 #  define __glibcxx_list_remove_return_type 201806L
   1424 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_list_remove_return_type)
   1425 #   define __cpp_lib_list_remove_return_type 201806L
   1426 #  endif
   1427 # endif
   1428 #endif /* !defined(__cpp_lib_list_remove_return_type) && defined(__glibcxx_want_list_remove_return_type) */
   1429 #undef __glibcxx_want_list_remove_return_type
   1430 
   1431 #if !defined(__cpp_lib_polymorphic_allocator)
   1432 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
   1433 #  define __glibcxx_polymorphic_allocator 201902L
   1434 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_polymorphic_allocator)
   1435 #   define __cpp_lib_polymorphic_allocator 201902L
   1436 #  endif
   1437 # endif
   1438 #endif /* !defined(__cpp_lib_polymorphic_allocator) && defined(__glibcxx_want_polymorphic_allocator) */
   1439 #undef __glibcxx_want_polymorphic_allocator
   1440 
   1441 #if !defined(__cpp_lib_move_iterator_concept)
   1442 # if (__cplusplus >= 202002L) && (__glibcxx_concepts)
   1443 #  define __glibcxx_move_iterator_concept 202207L
   1444 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_move_iterator_concept)
   1445 #   define __cpp_lib_move_iterator_concept 202207L
   1446 #  endif
   1447 # endif
   1448 #endif /* !defined(__cpp_lib_move_iterator_concept) && defined(__glibcxx_want_move_iterator_concept) */
   1449 #undef __glibcxx_want_move_iterator_concept
   1450 
   1451 #if !defined(__cpp_lib_semaphore)
   1452 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED && (__glibcxx_atomic_wait || _GLIBCXX_HAVE_POSIX_SEMAPHORE)
   1453 #  define __glibcxx_semaphore 201907L
   1454 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_semaphore)
   1455 #   define __cpp_lib_semaphore 201907L
   1456 #  endif
   1457 # endif
   1458 #endif /* !defined(__cpp_lib_semaphore) && defined(__glibcxx_want_semaphore) */
   1459 #undef __glibcxx_want_semaphore
   1460 
   1461 #if !defined(__cpp_lib_smart_ptr_for_overwrite)
   1462 # if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
   1463 #  define __glibcxx_smart_ptr_for_overwrite 202002L
   1464 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_smart_ptr_for_overwrite)
   1465 #   define __cpp_lib_smart_ptr_for_overwrite 202002L
   1466 #  endif
   1467 # endif
   1468 #endif /* !defined(__cpp_lib_smart_ptr_for_overwrite) && defined(__glibcxx_want_smart_ptr_for_overwrite) */
   1469 #undef __glibcxx_want_smart_ptr_for_overwrite
   1470 
   1471 #if !defined(__cpp_lib_syncbuf)
   1472 # if (__cplusplus >= 202002L) && _GLIBCXX_USE_CXX11_ABI && _GLIBCXX_HOSTED
   1473 #  define __glibcxx_syncbuf 201803L
   1474 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_syncbuf)
   1475 #   define __cpp_lib_syncbuf 201803L
   1476 #  endif
   1477 # endif
   1478 #endif /* !defined(__cpp_lib_syncbuf) && defined(__glibcxx_want_syncbuf) */
   1479 #undef __glibcxx_want_syncbuf
   1480 
   1481 #if !defined(__cpp_lib_byteswap)
   1482 # if (__cplusplus >= 202100L)
   1483 #  define __glibcxx_byteswap 202110L
   1484 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_byteswap)
   1485 #   define __cpp_lib_byteswap 202110L
   1486 #  endif
   1487 # endif
   1488 #endif /* !defined(__cpp_lib_byteswap) && defined(__glibcxx_want_byteswap) */
   1489 #undef __glibcxx_want_byteswap
   1490 
   1491 #if !defined(__cpp_lib_constexpr_charconv)
   1492 # if (__cplusplus >= 202100L)
   1493 #  define __glibcxx_constexpr_charconv 202207L
   1494 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_charconv)
   1495 #   define __cpp_lib_constexpr_charconv 202207L
   1496 #  endif
   1497 # endif
   1498 #endif /* !defined(__cpp_lib_constexpr_charconv) && defined(__glibcxx_want_constexpr_charconv) */
   1499 #undef __glibcxx_want_constexpr_charconv
   1500 
   1501 #if !defined(__cpp_lib_constexpr_typeinfo)
   1502 # if (__cplusplus >= 202100L)
   1503 #  define __glibcxx_constexpr_typeinfo 202106L
   1504 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_typeinfo)
   1505 #   define __cpp_lib_constexpr_typeinfo 202106L
   1506 #  endif
   1507 # endif
   1508 #endif /* !defined(__cpp_lib_constexpr_typeinfo) && defined(__glibcxx_want_constexpr_typeinfo) */
   1509 #undef __glibcxx_want_constexpr_typeinfo
   1510 
   1511 #if !defined(__cpp_lib_expected)
   1512 # if (__cplusplus >= 202100L) && (__cpp_concepts >= 202002L)
   1513 #  define __glibcxx_expected 202211L
   1514 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_expected)
   1515 #   define __cpp_lib_expected 202211L
   1516 #  endif
   1517 # endif
   1518 #endif /* !defined(__cpp_lib_expected) && defined(__glibcxx_want_expected) */
   1519 #undef __glibcxx_want_expected
   1520 
   1521 #if !defined(__cpp_lib_freestanding_algorithm)
   1522 # if (__cplusplus >= 202100L)
   1523 #  define __glibcxx_freestanding_algorithm 202311L
   1524 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_freestanding_algorithm)
   1525 #   define __cpp_lib_freestanding_algorithm 202311L
   1526 #  endif
   1527 # endif
   1528 #endif /* !defined(__cpp_lib_freestanding_algorithm) && defined(__glibcxx_want_freestanding_algorithm) */
   1529 #undef __glibcxx_want_freestanding_algorithm
   1530 
   1531 #if !defined(__cpp_lib_freestanding_array)
   1532 # if (__cplusplus >= 202100L)
   1533 #  define __glibcxx_freestanding_array 202311L
   1534 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_freestanding_array)
   1535 #   define __cpp_lib_freestanding_array 202311L
   1536 #  endif
   1537 # endif
   1538 #endif /* !defined(__cpp_lib_freestanding_array) && defined(__glibcxx_want_freestanding_array) */
   1539 #undef __glibcxx_want_freestanding_array
   1540 
   1541 #if !defined(__cpp_lib_freestanding_cstring)
   1542 # if (__cplusplus >= 202100L)
   1543 #  define __glibcxx_freestanding_cstring 202311L
   1544 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_freestanding_cstring)
   1545 #   define __cpp_lib_freestanding_cstring 202311L
   1546 #  endif
   1547 # endif
   1548 #endif /* !defined(__cpp_lib_freestanding_cstring) && defined(__glibcxx_want_freestanding_cstring) */
   1549 #undef __glibcxx_want_freestanding_cstring
   1550 
   1551 #if !defined(__cpp_lib_freestanding_expected)
   1552 # if (__cplusplus >= 202100L) && (__cpp_lib_expected)
   1553 #  define __glibcxx_freestanding_expected 202311L
   1554 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_freestanding_expected)
   1555 #   define __cpp_lib_freestanding_expected 202311L
   1556 #  endif
   1557 # endif
   1558 #endif /* !defined(__cpp_lib_freestanding_expected) && defined(__glibcxx_want_freestanding_expected) */
   1559 #undef __glibcxx_want_freestanding_expected
   1560 
   1561 #if !defined(__cpp_lib_freestanding_optional)
   1562 # if (__cplusplus >= 202100L)
   1563 #  define __glibcxx_freestanding_optional 202311L
   1564 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_freestanding_optional)
   1565 #   define __cpp_lib_freestanding_optional 202311L
   1566 #  endif
   1567 # endif
   1568 #endif /* !defined(__cpp_lib_freestanding_optional) && defined(__glibcxx_want_freestanding_optional) */
   1569 #undef __glibcxx_want_freestanding_optional
   1570 
   1571 #if !defined(__cpp_lib_freestanding_string_view)
   1572 # if (__cplusplus >= 202100L)
   1573 #  define __glibcxx_freestanding_string_view 202311L
   1574 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_freestanding_string_view)
   1575 #   define __cpp_lib_freestanding_string_view 202311L
   1576 #  endif
   1577 # endif
   1578 #endif /* !defined(__cpp_lib_freestanding_string_view) && defined(__glibcxx_want_freestanding_string_view) */
   1579 #undef __glibcxx_want_freestanding_string_view
   1580 
   1581 #if !defined(__cpp_lib_freestanding_variant)
   1582 # if (__cplusplus >= 202100L)
   1583 #  define __glibcxx_freestanding_variant 202311L
   1584 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_freestanding_variant)
   1585 #   define __cpp_lib_freestanding_variant 202311L
   1586 #  endif
   1587 # endif
   1588 #endif /* !defined(__cpp_lib_freestanding_variant) && defined(__glibcxx_want_freestanding_variant) */
   1589 #undef __glibcxx_want_freestanding_variant
   1590 
   1591 #if !defined(__cpp_lib_invoke_r)
   1592 # if (__cplusplus >= 202100L)
   1593 #  define __glibcxx_invoke_r 202106L
   1594 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_invoke_r)
   1595 #   define __cpp_lib_invoke_r 202106L
   1596 #  endif
   1597 # endif
   1598 #endif /* !defined(__cpp_lib_invoke_r) && defined(__glibcxx_want_invoke_r) */
   1599 #undef __glibcxx_want_invoke_r
   1600 
   1601 #if !defined(__cpp_lib_is_scoped_enum)
   1602 # if (__cplusplus >= 202100L)
   1603 #  define __glibcxx_is_scoped_enum 202011L
   1604 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_scoped_enum)
   1605 #   define __cpp_lib_is_scoped_enum 202011L
   1606 #  endif
   1607 # endif
   1608 #endif /* !defined(__cpp_lib_is_scoped_enum) && defined(__glibcxx_want_is_scoped_enum) */
   1609 #undef __glibcxx_want_is_scoped_enum
   1610 
   1611 #if !defined(__cpp_lib_reference_from_temporary)
   1612 # if (__cplusplus >= 202100L) && (__has_builtin(__reference_constructs_from_temporary) && __has_builtin(__reference_converts_from_temporary))
   1613 #  define __glibcxx_reference_from_temporary 202202L
   1614 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_reference_from_temporary)
   1615 #   define __cpp_lib_reference_from_temporary 202202L
   1616 #  endif
   1617 # endif
   1618 #endif /* !defined(__cpp_lib_reference_from_temporary) && defined(__glibcxx_want_reference_from_temporary) */
   1619 #undef __glibcxx_want_reference_from_temporary
   1620 
   1621 #if !defined(__cpp_lib_ranges_to_container)
   1622 # if (__cplusplus >= 202100L) && _GLIBCXX_HOSTED
   1623 #  define __glibcxx_ranges_to_container 202202L
   1624 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_to_container)
   1625 #   define __cpp_lib_ranges_to_container 202202L
   1626 #  endif
   1627 # endif
   1628 #endif /* !defined(__cpp_lib_ranges_to_container) && defined(__glibcxx_want_ranges_to_container) */
   1629 #undef __glibcxx_want_ranges_to_container
   1630 
   1631 #if !defined(__cpp_lib_ranges_zip)
   1632 # if (__cplusplus >= 202100L)
   1633 #  define __glibcxx_ranges_zip 202110L
   1634 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_zip)
   1635 #   define __cpp_lib_ranges_zip 202110L
   1636 #  endif
   1637 # endif
   1638 #endif /* !defined(__cpp_lib_ranges_zip) && defined(__glibcxx_want_ranges_zip) */
   1639 #undef __glibcxx_want_ranges_zip
   1640 
   1641 #if !defined(__cpp_lib_ranges_chunk)
   1642 # if (__cplusplus >= 202100L)
   1643 #  define __glibcxx_ranges_chunk 202202L
   1644 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_chunk)
   1645 #   define __cpp_lib_ranges_chunk 202202L
   1646 #  endif
   1647 # endif
   1648 #endif /* !defined(__cpp_lib_ranges_chunk) && defined(__glibcxx_want_ranges_chunk) */
   1649 #undef __glibcxx_want_ranges_chunk
   1650 
   1651 #if !defined(__cpp_lib_ranges_slide)
   1652 # if (__cplusplus >= 202100L)
   1653 #  define __glibcxx_ranges_slide 202202L
   1654 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_slide)
   1655 #   define __cpp_lib_ranges_slide 202202L
   1656 #  endif
   1657 # endif
   1658 #endif /* !defined(__cpp_lib_ranges_slide) && defined(__glibcxx_want_ranges_slide) */
   1659 #undef __glibcxx_want_ranges_slide
   1660 
   1661 #if !defined(__cpp_lib_ranges_chunk_by)
   1662 # if (__cplusplus >= 202100L)
   1663 #  define __glibcxx_ranges_chunk_by 202202L
   1664 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_chunk_by)
   1665 #   define __cpp_lib_ranges_chunk_by 202202L
   1666 #  endif
   1667 # endif
   1668 #endif /* !defined(__cpp_lib_ranges_chunk_by) && defined(__glibcxx_want_ranges_chunk_by) */
   1669 #undef __glibcxx_want_ranges_chunk_by
   1670 
   1671 #if !defined(__cpp_lib_ranges_join_with)
   1672 # if (__cplusplus >= 202100L)
   1673 #  define __glibcxx_ranges_join_with 202202L
   1674 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_join_with)
   1675 #   define __cpp_lib_ranges_join_with 202202L
   1676 #  endif
   1677 # endif
   1678 #endif /* !defined(__cpp_lib_ranges_join_with) && defined(__glibcxx_want_ranges_join_with) */
   1679 #undef __glibcxx_want_ranges_join_with
   1680 
   1681 #if !defined(__cpp_lib_ranges_repeat)
   1682 # if (__cplusplus >= 202100L)
   1683 #  define __glibcxx_ranges_repeat 202207L
   1684 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_repeat)
   1685 #   define __cpp_lib_ranges_repeat 202207L
   1686 #  endif
   1687 # endif
   1688 #endif /* !defined(__cpp_lib_ranges_repeat) && defined(__glibcxx_want_ranges_repeat) */
   1689 #undef __glibcxx_want_ranges_repeat
   1690 
   1691 #if !defined(__cpp_lib_ranges_stride)
   1692 # if (__cplusplus >= 202100L)
   1693 #  define __glibcxx_ranges_stride 202207L
   1694 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_stride)
   1695 #   define __cpp_lib_ranges_stride 202207L
   1696 #  endif
   1697 # endif
   1698 #endif /* !defined(__cpp_lib_ranges_stride) && defined(__glibcxx_want_ranges_stride) */
   1699 #undef __glibcxx_want_ranges_stride
   1700 
   1701 #if !defined(__cpp_lib_ranges_cartesian_product)
   1702 # if (__cplusplus >= 202100L)
   1703 #  define __glibcxx_ranges_cartesian_product 202207L
   1704 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_cartesian_product)
   1705 #   define __cpp_lib_ranges_cartesian_product 202207L
   1706 #  endif
   1707 # endif
   1708 #endif /* !defined(__cpp_lib_ranges_cartesian_product) && defined(__glibcxx_want_ranges_cartesian_product) */
   1709 #undef __glibcxx_want_ranges_cartesian_product
   1710 
   1711 #if !defined(__cpp_lib_ranges_as_rvalue)
   1712 # if (__cplusplus >= 202100L)
   1713 #  define __glibcxx_ranges_as_rvalue 202207L
   1714 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_as_rvalue)
   1715 #   define __cpp_lib_ranges_as_rvalue 202207L
   1716 #  endif
   1717 # endif
   1718 #endif /* !defined(__cpp_lib_ranges_as_rvalue) && defined(__glibcxx_want_ranges_as_rvalue) */
   1719 #undef __glibcxx_want_ranges_as_rvalue
   1720 
   1721 #if !defined(__cpp_lib_ranges_as_const)
   1722 # if (__cplusplus >= 202100L)
   1723 #  define __glibcxx_ranges_as_const 202311L
   1724 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_as_const)
   1725 #   define __cpp_lib_ranges_as_const 202311L
   1726 #  endif
   1727 # endif
   1728 #endif /* !defined(__cpp_lib_ranges_as_const) && defined(__glibcxx_want_ranges_as_const) */
   1729 #undef __glibcxx_want_ranges_as_const
   1730 
   1731 #if !defined(__cpp_lib_ranges_enumerate)
   1732 # if (__cplusplus >= 202100L)
   1733 #  define __glibcxx_ranges_enumerate 202302L
   1734 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_enumerate)
   1735 #   define __cpp_lib_ranges_enumerate 202302L
   1736 #  endif
   1737 # endif
   1738 #endif /* !defined(__cpp_lib_ranges_enumerate) && defined(__glibcxx_want_ranges_enumerate) */
   1739 #undef __glibcxx_want_ranges_enumerate
   1740 
   1741 #if !defined(__cpp_lib_ranges_fold)
   1742 # if (__cplusplus >= 202100L)
   1743 #  define __glibcxx_ranges_fold 202207L
   1744 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_fold)
   1745 #   define __cpp_lib_ranges_fold 202207L
   1746 #  endif
   1747 # endif
   1748 #endif /* !defined(__cpp_lib_ranges_fold) && defined(__glibcxx_want_ranges_fold) */
   1749 #undef __glibcxx_want_ranges_fold
   1750 
   1751 #if !defined(__cpp_lib_ranges_contains)
   1752 # if (__cplusplus >= 202100L)
   1753 #  define __glibcxx_ranges_contains 202207L
   1754 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_contains)
   1755 #   define __cpp_lib_ranges_contains 202207L
   1756 #  endif
   1757 # endif
   1758 #endif /* !defined(__cpp_lib_ranges_contains) && defined(__glibcxx_want_ranges_contains) */
   1759 #undef __glibcxx_want_ranges_contains
   1760 
   1761 #if !defined(__cpp_lib_ranges_iota)
   1762 # if (__cplusplus >= 202100L)
   1763 #  define __glibcxx_ranges_iota 202202L
   1764 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_iota)
   1765 #   define __cpp_lib_ranges_iota 202202L
   1766 #  endif
   1767 # endif
   1768 #endif /* !defined(__cpp_lib_ranges_iota) && defined(__glibcxx_want_ranges_iota) */
   1769 #undef __glibcxx_want_ranges_iota
   1770 
   1771 #if !defined(__cpp_lib_ranges_find_last)
   1772 # if (__cplusplus >= 202100L)
   1773 #  define __glibcxx_ranges_find_last 202207L
   1774 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_find_last)
   1775 #   define __cpp_lib_ranges_find_last 202207L
   1776 #  endif
   1777 # endif
   1778 #endif /* !defined(__cpp_lib_ranges_find_last) && defined(__glibcxx_want_ranges_find_last) */
   1779 #undef __glibcxx_want_ranges_find_last
   1780 
   1781 #if !defined(__cpp_lib_constexpr_bitset)
   1782 # if (__cplusplus >= 202100L) && _GLIBCXX_HOSTED && (__cpp_constexpr_dynamic_alloc)
   1783 #  define __glibcxx_constexpr_bitset 202202L
   1784 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_bitset)
   1785 #   define __cpp_lib_constexpr_bitset 202202L
   1786 #  endif
   1787 # endif
   1788 #endif /* !defined(__cpp_lib_constexpr_bitset) && defined(__glibcxx_want_constexpr_bitset) */
   1789 #undef __glibcxx_want_constexpr_bitset
   1790 
   1791 #if !defined(__cpp_lib_stdatomic_h)
   1792 # if (__cplusplus >= 202100L)
   1793 #  define __glibcxx_stdatomic_h 202011L
   1794 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_stdatomic_h)
   1795 #   define __cpp_lib_stdatomic_h 202011L
   1796 #  endif
   1797 # endif
   1798 #endif /* !defined(__cpp_lib_stdatomic_h) && defined(__glibcxx_want_stdatomic_h) */
   1799 #undef __glibcxx_want_stdatomic_h
   1800 
   1801 #if !defined(__cpp_lib_adaptor_iterator_pair_constructor)
   1802 # if (__cplusplus >= 202100L) && _GLIBCXX_HOSTED
   1803 #  define __glibcxx_adaptor_iterator_pair_constructor 202106L
   1804 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_adaptor_iterator_pair_constructor)
   1805 #   define __cpp_lib_adaptor_iterator_pair_constructor 202106L
   1806 #  endif
   1807 # endif
   1808 #endif /* !defined(__cpp_lib_adaptor_iterator_pair_constructor) && defined(__glibcxx_want_adaptor_iterator_pair_constructor) */
   1809 #undef __glibcxx_want_adaptor_iterator_pair_constructor
   1810 
   1811 #if !defined(__cpp_lib_formatters)
   1812 # if (__cplusplus >= 202100L) && _GLIBCXX_HOSTED
   1813 #  define __glibcxx_formatters 202302L
   1814 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_formatters)
   1815 #   define __cpp_lib_formatters 202302L
   1816 #  endif
   1817 # endif
   1818 #endif /* !defined(__cpp_lib_formatters) && defined(__glibcxx_want_formatters) */
   1819 #undef __glibcxx_want_formatters
   1820 
   1821 #if !defined(__cpp_lib_forward_like)
   1822 # if (__cplusplus >= 202100L)
   1823 #  define __glibcxx_forward_like 202207L
   1824 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_forward_like)
   1825 #   define __cpp_lib_forward_like 202207L
   1826 #  endif
   1827 # endif
   1828 #endif /* !defined(__cpp_lib_forward_like) && defined(__glibcxx_want_forward_like) */
   1829 #undef __glibcxx_want_forward_like
   1830 
   1831 #if !defined(__cpp_lib_generator)
   1832 # if (__cplusplus >= 202100L) && (__glibcxx_coroutine && __cpp_sized_deallocation)
   1833 #  define __glibcxx_generator 202207L
   1834 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_generator)
   1835 #   define __cpp_lib_generator 202207L
   1836 #  endif
   1837 # endif
   1838 #endif /* !defined(__cpp_lib_generator) && defined(__glibcxx_want_generator) */
   1839 #undef __glibcxx_want_generator
   1840 
   1841 #if !defined(__cpp_lib_ios_noreplace)
   1842 # if (__cplusplus >= 202100L) && _GLIBCXX_HOSTED
   1843 #  define __glibcxx_ios_noreplace 202207L
   1844 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ios_noreplace)
   1845 #   define __cpp_lib_ios_noreplace 202207L
   1846 #  endif
   1847 # endif
   1848 #endif /* !defined(__cpp_lib_ios_noreplace) && defined(__glibcxx_want_ios_noreplace) */
   1849 #undef __glibcxx_want_ios_noreplace
   1850 
   1851 #if !defined(__cpp_lib_move_only_function)
   1852 # if (__cplusplus >= 202100L) && _GLIBCXX_HOSTED
   1853 #  define __glibcxx_move_only_function 202110L
   1854 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_move_only_function)
   1855 #   define __cpp_lib_move_only_function 202110L
   1856 #  endif
   1857 # endif
   1858 #endif /* !defined(__cpp_lib_move_only_function) && defined(__glibcxx_want_move_only_function) */
   1859 #undef __glibcxx_want_move_only_function
   1860 
   1861 #if !defined(__cpp_lib_out_ptr)
   1862 # if (__cplusplus >= 202100L)
   1863 #  define __glibcxx_out_ptr 202311L
   1864 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_out_ptr)
   1865 #   define __cpp_lib_out_ptr 202311L
   1866 #  endif
   1867 # endif
   1868 #endif /* !defined(__cpp_lib_out_ptr) && defined(__glibcxx_want_out_ptr) */
   1869 #undef __glibcxx_want_out_ptr
   1870 
   1871 #if !defined(__cpp_lib_print)
   1872 # if (__cplusplus >= 202100L) && _GLIBCXX_HOSTED
   1873 #  define __glibcxx_print 202211L
   1874 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_print)
   1875 #   define __cpp_lib_print 202211L
   1876 #  endif
   1877 # endif
   1878 #endif /* !defined(__cpp_lib_print) && defined(__glibcxx_want_print) */
   1879 #undef __glibcxx_want_print
   1880 
   1881 #if !defined(__cpp_lib_spanstream)
   1882 # if (__cplusplus >= 202100L) && _GLIBCXX_HOSTED && (__glibcxx_span)
   1883 #  define __glibcxx_spanstream 202106L
   1884 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_spanstream)
   1885 #   define __cpp_lib_spanstream 202106L
   1886 #  endif
   1887 # endif
   1888 #endif /* !defined(__cpp_lib_spanstream) && defined(__glibcxx_want_spanstream) */
   1889 #undef __glibcxx_want_spanstream
   1890 
   1891 #if !defined(__cpp_lib_stacktrace)
   1892 # if (__cplusplus >= 202100L) && _GLIBCXX_HOSTED && (_GLIBCXX_HAVE_STACKTRACE)
   1893 #  define __glibcxx_stacktrace 202011L
   1894 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_stacktrace)
   1895 #   define __cpp_lib_stacktrace 202011L
   1896 #  endif
   1897 # endif
   1898 #endif /* !defined(__cpp_lib_stacktrace) && defined(__glibcxx_want_stacktrace) */
   1899 #undef __glibcxx_want_stacktrace
   1900 
   1901 #if !defined(__cpp_lib_string_contains)
   1902 # if (__cplusplus >= 202100L) && _GLIBCXX_HOSTED
   1903 #  define __glibcxx_string_contains 202011L
   1904 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_string_contains)
   1905 #   define __cpp_lib_string_contains 202011L
   1906 #  endif
   1907 # endif
   1908 #endif /* !defined(__cpp_lib_string_contains) && defined(__glibcxx_want_string_contains) */
   1909 #undef __glibcxx_want_string_contains
   1910 
   1911 #if !defined(__cpp_lib_string_resize_and_overwrite)
   1912 # if (__cplusplus >= 202100L) && _GLIBCXX_HOSTED
   1913 #  define __glibcxx_string_resize_and_overwrite 202110L
   1914 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_string_resize_and_overwrite)
   1915 #   define __cpp_lib_string_resize_and_overwrite 202110L
   1916 #  endif
   1917 # endif
   1918 #endif /* !defined(__cpp_lib_string_resize_and_overwrite) && defined(__glibcxx_want_string_resize_and_overwrite) */
   1919 #undef __glibcxx_want_string_resize_and_overwrite
   1920 
   1921 #if !defined(__cpp_lib_to_underlying)
   1922 # if (__cplusplus >= 202100L)
   1923 #  define __glibcxx_to_underlying 202102L
   1924 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_to_underlying)
   1925 #   define __cpp_lib_to_underlying 202102L
   1926 #  endif
   1927 # endif
   1928 #endif /* !defined(__cpp_lib_to_underlying) && defined(__glibcxx_want_to_underlying) */
   1929 #undef __glibcxx_want_to_underlying
   1930 
   1931 #if !defined(__cpp_lib_tuple_like)
   1932 # if (__cplusplus >= 202100L)
   1933 #  define __glibcxx_tuple_like 202207L
   1934 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_tuple_like)
   1935 #   define __cpp_lib_tuple_like 202207L
   1936 #  endif
   1937 # endif
   1938 #endif /* !defined(__cpp_lib_tuple_like) && defined(__glibcxx_want_tuple_like) */
   1939 #undef __glibcxx_want_tuple_like
   1940 
   1941 #if !defined(__cpp_lib_unreachable)
   1942 # if (__cplusplus >= 202100L)
   1943 #  define __glibcxx_unreachable 202202L
   1944 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_unreachable)
   1945 #   define __cpp_lib_unreachable 202202L
   1946 #  endif
   1947 # endif
   1948 #endif /* !defined(__cpp_lib_unreachable) && defined(__glibcxx_want_unreachable) */
   1949 #undef __glibcxx_want_unreachable
   1950 
   1951 #if !defined(__cpp_lib_fstream_native_handle)
   1952 # if (__cplusplus >  202302L) && _GLIBCXX_HOSTED
   1953 #  define __glibcxx_fstream_native_handle 202306L
   1954 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_fstream_native_handle)
   1955 #   define __cpp_lib_fstream_native_handle 202306L
   1956 #  endif
   1957 # endif
   1958 #endif /* !defined(__cpp_lib_fstream_native_handle) && defined(__glibcxx_want_fstream_native_handle) */
   1959 #undef __glibcxx_want_fstream_native_handle
   1960 
   1961 #if !defined(__cpp_lib_ratio)
   1962 # if (__cplusplus >  202302L)
   1963 #  define __glibcxx_ratio 202306L
   1964 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_ratio)
   1965 #   define __cpp_lib_ratio 202306L
   1966 #  endif
   1967 # endif
   1968 #endif /* !defined(__cpp_lib_ratio) && defined(__glibcxx_want_ratio) */
   1969 #undef __glibcxx_want_ratio
   1970 
   1971 #if !defined(__cpp_lib_reference_wrapper)
   1972 # if (__cplusplus >  202302L)
   1973 #  define __glibcxx_reference_wrapper 202403L
   1974 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_reference_wrapper)
   1975 #   define __cpp_lib_reference_wrapper 202403L
   1976 #  endif
   1977 # endif
   1978 #endif /* !defined(__cpp_lib_reference_wrapper) && defined(__glibcxx_want_reference_wrapper) */
   1979 #undef __glibcxx_want_reference_wrapper
   1980 
   1981 #if !defined(__cpp_lib_saturation_arithmetic)
   1982 # if (__cplusplus >  202302L)
   1983 #  define __glibcxx_saturation_arithmetic 202311L
   1984 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_saturation_arithmetic)
   1985 #   define __cpp_lib_saturation_arithmetic 202311L
   1986 #  endif
   1987 # endif
   1988 #endif /* !defined(__cpp_lib_saturation_arithmetic) && defined(__glibcxx_want_saturation_arithmetic) */
   1989 #undef __glibcxx_want_saturation_arithmetic
   1990 
   1991 #if !defined(__cpp_lib_text_encoding)
   1992 # if (__cplusplus >  202302L) && _GLIBCXX_HOSTED && (_GLIBCXX_USE_NL_LANGINFO_L)
   1993 #  define __glibcxx_text_encoding 202306L
   1994 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_text_encoding)
   1995 #   define __cpp_lib_text_encoding 202306L
   1996 #  endif
   1997 # endif
   1998 #endif /* !defined(__cpp_lib_text_encoding) && defined(__glibcxx_want_text_encoding) */
   1999 #undef __glibcxx_want_text_encoding
   2000 
   2001 #if !defined(__cpp_lib_to_string)
   2002 # if (__cplusplus >  202302L) && _GLIBCXX_HOSTED && (__glibcxx_to_chars)
   2003 #  define __glibcxx_to_string 202306L
   2004 #  if defined(__glibcxx_want_all) || defined(__glibcxx_want_to_string)
   2005 #   define __cpp_lib_to_string 202306L
   2006 #  endif
   2007 # endif
   2008 #endif /* !defined(__cpp_lib_to_string) && defined(__glibcxx_want_to_string) */
   2009 #undef __glibcxx_want_to_string
   2010 
   2011 #undef __glibcxx_want_all
   2012