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-rw-r--r--libstdc++-v3/include/bits/version.h1942
1 files changed, 1942 insertions, 0 deletions
diff --git a/libstdc++-v3/include/bits/version.h b/libstdc++-v3/include/bits/version.h
new file mode 100644
index 0000000..5c5e7ff
--- /dev/null
+++ b/libstdc++-v3/include/bits/version.h
@@ -0,0 +1,1942 @@
+// Copyright (C) 2023 Free Software Foundation, Inc.
+
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+// DO NOT EDIT THIS FILE (version.h)
+//
+// It has been AutoGen-ed
+// From the definitions version.def
+// and the template file version.tpl
+
+/** @file bits/version.h
+ * This is an internal header file, included by other library headers.
+ * Do not attempt to use it directly. @headername{version}
+ */
+
+// Usage guide:
+//
+// In your usual header, do something like:
+//
+// #define __glibcxx_want_ranges
+// #define __glibcxx_want_concepts
+// #include <bits/version.h>
+//
+// This will generate the FTMs you named, and let you use them in your code as
+// if it was user code. All macros are also exposed under __glibcxx_NAME even
+// if unwanted, to permit bits and other FTMs to depend on them for condtional
+// computation without exposing extra FTMs to user code.
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+
+// from version.def line 65
+#if !defined(__cpp_lib_incomplete_container_elements)
+# if _GLIBCXX_HOSTED
+# define __glibcxx_incomplete_container_elements 201505L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_incomplete_container_elements)
+# define __cpp_lib_incomplete_container_elements 201505L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_incomplete_container_elements) && defined(__glibcxx_want_incomplete_container_elements) */
+#undef __glibcxx_want_incomplete_container_elements
+
+// from version.def line 73
+#if !defined(__cpp_lib_uncaught_exceptions)
+# if ((defined(__STRICT_ANSI__) && __cplusplus >= 201703L) || (!defined(__STRICT_ANSI__) && __cplusplus >= 199711L))
+# define __glibcxx_uncaught_exceptions 201411L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_uncaught_exceptions)
+# define __cpp_lib_uncaught_exceptions 201411L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_uncaught_exceptions) && defined(__glibcxx_want_uncaught_exceptions) */
+#undef __glibcxx_want_uncaught_exceptions
+
+// from version.def line 82
+#if !defined(__cpp_lib_allocator_traits_is_always_equal)
+# if (__cplusplus >= 201103L)
+# define __glibcxx_allocator_traits_is_always_equal 201411L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_allocator_traits_is_always_equal)
+# define __cpp_lib_allocator_traits_is_always_equal 201411L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_allocator_traits_is_always_equal) && defined(__glibcxx_want_allocator_traits_is_always_equal) */
+#undef __glibcxx_want_allocator_traits_is_always_equal
+
+// from version.def line 90
+#if !defined(__cpp_lib_is_null_pointer)
+# if (__cplusplus >= 201103L)
+# define __glibcxx_is_null_pointer 201309L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_null_pointer)
+# define __cpp_lib_is_null_pointer 201309L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_is_null_pointer) && defined(__glibcxx_want_is_null_pointer) */
+#undef __glibcxx_want_is_null_pointer
+
+// from version.def line 98
+#if !defined(__cpp_lib_result_of_sfinae)
+# if (__cplusplus >= 201103L)
+# define __glibcxx_result_of_sfinae 201210L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_result_of_sfinae)
+# define __cpp_lib_result_of_sfinae 201210L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_result_of_sfinae) && defined(__glibcxx_want_result_of_sfinae) */
+#undef __glibcxx_want_result_of_sfinae
+
+// from version.def line 106
+#if !defined(__cpp_lib_shared_ptr_arrays)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_shared_ptr_arrays 201707L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_shared_ptr_arrays)
+# define __cpp_lib_shared_ptr_arrays 201707L
+# endif
+# elif (__cplusplus >= 201103L) && _GLIBCXX_HOSTED
+# define __glibcxx_shared_ptr_arrays 201611L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_shared_ptr_arrays)
+# define __cpp_lib_shared_ptr_arrays 201611L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_shared_ptr_arrays) && defined(__glibcxx_want_shared_ptr_arrays) */
+#undef __glibcxx_want_shared_ptr_arrays
+
+// from version.def line 120
+#if !defined(__cpp_lib_is_swappable)
+# if ((defined(__STRICT_ANSI__) && __cplusplus >= 201703L) || (!defined(__STRICT_ANSI__) && __cplusplus >= 201103L))
+# define __glibcxx_is_swappable 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_swappable)
+# define __cpp_lib_is_swappable 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_is_swappable) && defined(__glibcxx_want_is_swappable) */
+#undef __glibcxx_want_is_swappable
+
+// from version.def line 129
+#if !defined(__cpp_lib_void_t)
+# if ((defined(__STRICT_ANSI__) && __cplusplus >= 201703L) || (!defined(__STRICT_ANSI__) && __cplusplus >= 201103L))
+# define __glibcxx_void_t 201411L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_void_t)
+# define __cpp_lib_void_t 201411L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_void_t) && defined(__glibcxx_want_void_t) */
+#undef __glibcxx_want_void_t
+
+// from version.def line 138
+#if !defined(__cpp_lib_enable_shared_from_this)
+# if ((defined(__STRICT_ANSI__) && __cplusplus >= 201703L) || (!defined(__STRICT_ANSI__) && __cplusplus >= 201103L)) && _GLIBCXX_HOSTED
+# define __glibcxx_enable_shared_from_this 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_enable_shared_from_this)
+# define __cpp_lib_enable_shared_from_this 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_enable_shared_from_this) && defined(__glibcxx_want_enable_shared_from_this) */
+#undef __glibcxx_want_enable_shared_from_this
+
+// from version.def line 148
+#if !defined(__cpp_lib_math_spec_funcs)
+# if (__cplusplus >= 201103L)
+# define __glibcxx_math_spec_funcs 201003L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_math_spec_funcs)
+# define __STDCPP_MATH_SPEC_FUNCS__ 201003L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_math_spec_funcs) && defined(__glibcxx_want_math_spec_funcs) */
+#undef __glibcxx_want_math_spec_funcs
+
+// from version.def line 157
+#if !defined(__cpp_lib_coroutine)
+# if (__cplusplus >= 201402L) && (__cpp_impl_coroutine)
+# define __glibcxx_coroutine 201902L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_coroutine)
+# define __cpp_lib_coroutine 201902L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_coroutine) && defined(__glibcxx_want_coroutine) */
+#undef __glibcxx_want_coroutine
+
+// from version.def line 168
+#if !defined(__cpp_lib_exchange_function)
+# if (__cplusplus >= 201402L)
+# define __glibcxx_exchange_function 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_exchange_function)
+# define __cpp_lib_exchange_function 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_exchange_function) && defined(__glibcxx_want_exchange_function) */
+#undef __glibcxx_want_exchange_function
+
+// from version.def line 176
+#if !defined(__cpp_lib_integer_sequence)
+# if (__cplusplus >= 201402L)
+# define __glibcxx_integer_sequence 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_integer_sequence)
+# define __cpp_lib_integer_sequence 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_integer_sequence) && defined(__glibcxx_want_integer_sequence) */
+#undef __glibcxx_want_integer_sequence
+
+// from version.def line 184
+#if !defined(__cpp_lib_integral_constant_callable)
+# if (__cplusplus >= 201402L)
+# define __glibcxx_integral_constant_callable 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_integral_constant_callable)
+# define __cpp_lib_integral_constant_callable 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_integral_constant_callable) && defined(__glibcxx_want_integral_constant_callable) */
+#undef __glibcxx_want_integral_constant_callable
+
+// from version.def line 192
+#if !defined(__cpp_lib_is_final)
+# if (__cplusplus >= 201402L)
+# define __glibcxx_is_final 201402L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_final)
+# define __cpp_lib_is_final 201402L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_is_final) && defined(__glibcxx_want_is_final) */
+#undef __glibcxx_want_is_final
+
+// from version.def line 200
+#if !defined(__cpp_lib_make_reverse_iterator)
+# if (__cplusplus >= 201402L)
+# define __glibcxx_make_reverse_iterator 201402L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_make_reverse_iterator)
+# define __cpp_lib_make_reverse_iterator 201402L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_make_reverse_iterator) && defined(__glibcxx_want_make_reverse_iterator) */
+#undef __glibcxx_want_make_reverse_iterator
+
+// from version.def line 208
+#if !defined(__cpp_lib_null_iterators)
+# if (__cplusplus >= 201402L) && (!defined(_GLIBCXX_DEBUG))
+# define __glibcxx_null_iterators 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_null_iterators)
+# define __cpp_lib_null_iterators 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_null_iterators) && defined(__glibcxx_want_null_iterators) */
+#undef __glibcxx_want_null_iterators
+
+// from version.def line 217
+#if !defined(__cpp_lib_transformation_trait_aliases)
+# if (__cplusplus >= 201402L)
+# define __glibcxx_transformation_trait_aliases 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_transformation_trait_aliases)
+# define __cpp_lib_transformation_trait_aliases 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_transformation_trait_aliases) && defined(__glibcxx_want_transformation_trait_aliases) */
+#undef __glibcxx_want_transformation_trait_aliases
+
+// from version.def line 225
+#if !defined(__cpp_lib_transparent_operators)
+# if (__cplusplus >= 201402L)
+# define __glibcxx_transparent_operators 201510L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_transparent_operators)
+# define __cpp_lib_transparent_operators 201510L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_transparent_operators) && defined(__glibcxx_want_transparent_operators) */
+#undef __glibcxx_want_transparent_operators
+
+// from version.def line 233
+#if !defined(__cpp_lib_tuple_element_t)
+# if (__cplusplus >= 201402L)
+# define __glibcxx_tuple_element_t 201402L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_tuple_element_t)
+# define __cpp_lib_tuple_element_t 201402L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_tuple_element_t) && defined(__glibcxx_want_tuple_element_t) */
+#undef __glibcxx_want_tuple_element_t
+
+// from version.def line 241
+#if !defined(__cpp_lib_tuples_by_type)
+# if (__cplusplus >= 201402L)
+# define __glibcxx_tuples_by_type 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_tuples_by_type)
+# define __cpp_lib_tuples_by_type 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_tuples_by_type) && defined(__glibcxx_want_tuples_by_type) */
+#undef __glibcxx_want_tuples_by_type
+
+// from version.def line 249
+#if !defined(__cpp_lib_robust_nonmodifying_seq_ops)
+# if (__cplusplus >= 201402L)
+# define __glibcxx_robust_nonmodifying_seq_ops 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_robust_nonmodifying_seq_ops)
+# define __cpp_lib_robust_nonmodifying_seq_ops 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_robust_nonmodifying_seq_ops) && defined(__glibcxx_want_robust_nonmodifying_seq_ops) */
+#undef __glibcxx_want_robust_nonmodifying_seq_ops
+
+// from version.def line 257
+#if !defined(__cpp_lib_to_chars)
+# if (__cplusplus >= 201402L) && (_GLIBCXX_FLOAT_IS_IEEE_BINARY32 && _GLIBCXX_DOUBLE_IS_IEEE_BINARY64 && __SIZE_WIDTH__ >= 32)
+# define __glibcxx_to_chars 201611L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_to_chars)
+# define __cpp_lib_to_chars 201611L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_to_chars) && defined(__glibcxx_want_to_chars) */
+#undef __glibcxx_want_to_chars
+
+// from version.def line 268
+#if !defined(__cpp_lib_chrono_udls)
+# if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
+# define __glibcxx_chrono_udls 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_chrono_udls)
+# define __cpp_lib_chrono_udls 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_chrono_udls) && defined(__glibcxx_want_chrono_udls) */
+#undef __glibcxx_want_chrono_udls
+
+// from version.def line 277
+#if !defined(__cpp_lib_complex_udls)
+# if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
+# define __glibcxx_complex_udls 201309L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_complex_udls)
+# define __cpp_lib_complex_udls 201309L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_complex_udls) && defined(__glibcxx_want_complex_udls) */
+#undef __glibcxx_want_complex_udls
+
+// from version.def line 286
+#if !defined(__cpp_lib_generic_associative_lookup)
+# if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
+# define __glibcxx_generic_associative_lookup 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_generic_associative_lookup)
+# define __cpp_lib_generic_associative_lookup 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_generic_associative_lookup) && defined(__glibcxx_want_generic_associative_lookup) */
+#undef __glibcxx_want_generic_associative_lookup
+
+// from version.def line 295
+#if !defined(__cpp_lib_make_unique)
+# if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
+# define __glibcxx_make_unique 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_make_unique)
+# define __cpp_lib_make_unique 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_make_unique) && defined(__glibcxx_want_make_unique) */
+#undef __glibcxx_want_make_unique
+
+// from version.def line 304
+#if !defined(__cpp_lib_quoted_string_io)
+# if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
+# define __glibcxx_quoted_string_io 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_quoted_string_io)
+# define __cpp_lib_quoted_string_io 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_quoted_string_io) && defined(__glibcxx_want_quoted_string_io) */
+#undef __glibcxx_want_quoted_string_io
+
+// from version.def line 313
+#if !defined(__cpp_lib_shared_timed_mutex)
+# if (__cplusplus >= 201402L) && defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
+# define __glibcxx_shared_timed_mutex 201402L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_shared_timed_mutex)
+# define __cpp_lib_shared_timed_mutex 201402L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_shared_timed_mutex) && defined(__glibcxx_want_shared_timed_mutex) */
+#undef __glibcxx_want_shared_timed_mutex
+
+// from version.def line 323
+#if !defined(__cpp_lib_string_udls)
+# if (__cplusplus >= 201402L) && _GLIBCXX_HOSTED
+# define __glibcxx_string_udls 201304L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_string_udls)
+# define __cpp_lib_string_udls 201304L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_string_udls) && defined(__glibcxx_want_string_udls) */
+#undef __glibcxx_want_string_udls
+
+// from version.def line 332
+#if !defined(__cpp_lib_addressof_constexpr)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_addressof_constexpr 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_addressof_constexpr)
+# define __cpp_lib_addressof_constexpr 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_addressof_constexpr) && defined(__glibcxx_want_addressof_constexpr) */
+#undef __glibcxx_want_addressof_constexpr
+
+// from version.def line 342
+#if !defined(__cpp_lib_any)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_any 201606L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_any)
+# define __cpp_lib_any 201606L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_any) && defined(__glibcxx_want_any) */
+#undef __glibcxx_want_any
+
+// from version.def line 350
+#if !defined(__cpp_lib_apply)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_apply 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_apply)
+# define __cpp_lib_apply 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_apply) && defined(__glibcxx_want_apply) */
+#undef __glibcxx_want_apply
+
+// from version.def line 358
+#if !defined(__cpp_lib_as_const)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_as_const 201510L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_as_const)
+# define __cpp_lib_as_const 201510L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_as_const) && defined(__glibcxx_want_as_const) */
+#undef __glibcxx_want_as_const
+
+// from version.def line 366
+#if !defined(__cpp_lib_atomic_is_always_lock_free)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_atomic_is_always_lock_free 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_is_always_lock_free)
+# define __cpp_lib_atomic_is_always_lock_free 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_atomic_is_always_lock_free) && defined(__glibcxx_want_atomic_is_always_lock_free) */
+#undef __glibcxx_want_atomic_is_always_lock_free
+
+// from version.def line 374
+#if !defined(__cpp_lib_bool_constant)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_bool_constant 201505L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_bool_constant)
+# define __cpp_lib_bool_constant 201505L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_bool_constant) && defined(__glibcxx_want_bool_constant) */
+#undef __glibcxx_want_bool_constant
+
+// from version.def line 382
+#if !defined(__cpp_lib_byte)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_byte 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_byte)
+# define __cpp_lib_byte 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_byte) && defined(__glibcxx_want_byte) */
+#undef __glibcxx_want_byte
+
+// from version.def line 390
+#if !defined(__cpp_lib_has_unique_object_representations)
+# if (__cplusplus >= 201703L) && (defined(_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP))
+# define __glibcxx_has_unique_object_representations 201606L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_has_unique_object_representations)
+# define __cpp_lib_has_unique_object_representations 201606L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_has_unique_object_representations) && defined(__glibcxx_want_has_unique_object_representations) */
+#undef __glibcxx_want_has_unique_object_representations
+
+// from version.def line 399
+#if !defined(__cpp_lib_hardware_interference_size)
+# if (__cplusplus >= 201703L) && (defined(__GCC_DESTRUCTIVE_SIZE))
+# define __glibcxx_hardware_interference_size 201703L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_hardware_interference_size)
+# define __cpp_lib_hardware_interference_size 201703L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_hardware_interference_size) && defined(__glibcxx_want_hardware_interference_size) */
+#undef __glibcxx_want_hardware_interference_size
+
+// from version.def line 408
+#if !defined(__cpp_lib_invoke)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_invoke 201411L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_invoke)
+# define __cpp_lib_invoke 201411L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_invoke) && defined(__glibcxx_want_invoke) */
+#undef __glibcxx_want_invoke
+
+// from version.def line 416
+#if !defined(__cpp_lib_is_aggregate)
+# if (__cplusplus >= 201703L) && (defined(_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE))
+# define __glibcxx_is_aggregate 201703L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_aggregate)
+# define __cpp_lib_is_aggregate 201703L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_is_aggregate) && defined(__glibcxx_want_is_aggregate) */
+#undef __glibcxx_want_is_aggregate
+
+// from version.def line 425
+#if !defined(__cpp_lib_is_invocable)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_is_invocable 201703L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_invocable)
+# define __cpp_lib_is_invocable 201703L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_is_invocable) && defined(__glibcxx_want_is_invocable) */
+#undef __glibcxx_want_is_invocable
+
+// from version.def line 433
+#if !defined(__cpp_lib_launder)
+# if (__cplusplus >= 201703L) && (defined(_GLIBCXX_HAVE_BUILTIN_LAUNDER))
+# define __glibcxx_launder 201606L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_launder)
+# define __cpp_lib_launder 201606L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_launder) && defined(__glibcxx_want_launder) */
+#undef __glibcxx_want_launder
+
+// from version.def line 442
+#if !defined(__cpp_lib_logical_traits)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_logical_traits 201510L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_logical_traits)
+# define __cpp_lib_logical_traits 201510L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_logical_traits) && defined(__glibcxx_want_logical_traits) */
+#undef __glibcxx_want_logical_traits
+
+// from version.def line 450
+#if !defined(__cpp_lib_make_from_tuple)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_make_from_tuple 201606L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_make_from_tuple)
+# define __cpp_lib_make_from_tuple 201606L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_make_from_tuple) && defined(__glibcxx_want_make_from_tuple) */
+#undef __glibcxx_want_make_from_tuple
+
+// from version.def line 458
+#if !defined(__cpp_lib_not_fn)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_not_fn 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_not_fn)
+# define __cpp_lib_not_fn 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_not_fn) && defined(__glibcxx_want_not_fn) */
+#undef __glibcxx_want_not_fn
+
+// from version.def line 466
+#if !defined(__cpp_lib_type_trait_variable_templates)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_type_trait_variable_templates 201510L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_type_trait_variable_templates)
+# define __cpp_lib_type_trait_variable_templates 201510L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_type_trait_variable_templates) && defined(__glibcxx_want_type_trait_variable_templates) */
+#undef __glibcxx_want_type_trait_variable_templates
+
+// from version.def line 474
+#if !defined(__cpp_lib_variant)
+# if (__cplusplus >= 202002L) && (__cpp_concepts >= 202002L && __cpp_constexpr >= 201811L)
+# define __glibcxx_variant 202106L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_variant)
+# define __cpp_lib_variant 202106L
+# endif
+# elif (__cplusplus >= 201703L)
+# define __glibcxx_variant 202102L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_variant)
+# define __cpp_lib_variant 202102L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_variant) && defined(__glibcxx_want_variant) */
+#undef __glibcxx_want_variant
+
+// from version.def line 488
+#if !defined(__cpp_lib_lcm)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_lcm 201606L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_lcm)
+# define __cpp_lib_lcm 201606L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_lcm) && defined(__glibcxx_want_lcm) */
+#undef __glibcxx_want_lcm
+
+// from version.def line 497
+#if !defined(__cpp_lib_gcd)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_gcd 201606L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_gcd)
+# define __cpp_lib_gcd 201606L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_gcd) && defined(__glibcxx_want_gcd) */
+#undef __glibcxx_want_gcd
+
+// from version.def line 505
+#if !defined(__cpp_lib_gcd_lcm)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_gcd_lcm 201606L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_gcd_lcm)
+# define __cpp_lib_gcd_lcm 201606L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_gcd_lcm) && defined(__glibcxx_want_gcd_lcm) */
+#undef __glibcxx_want_gcd_lcm
+
+// from version.def line 513
+#if !defined(__cpp_lib_raw_memory_algorithms)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_raw_memory_algorithms 201606L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_raw_memory_algorithms)
+# define __cpp_lib_raw_memory_algorithms 201606L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_raw_memory_algorithms) && defined(__glibcxx_want_raw_memory_algorithms) */
+#undef __glibcxx_want_raw_memory_algorithms
+
+// from version.def line 521
+#if !defined(__cpp_lib_array_constexpr)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_array_constexpr 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_array_constexpr)
+# define __cpp_lib_array_constexpr 201811L
+# endif
+# elif (__cplusplus >= 201703L)
+# define __glibcxx_array_constexpr 201803L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_array_constexpr)
+# define __cpp_lib_array_constexpr 201803L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_array_constexpr) && defined(__glibcxx_want_array_constexpr) */
+#undef __glibcxx_want_array_constexpr
+
+// from version.def line 533
+#if !defined(__cpp_lib_nonmember_container_access)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_nonmember_container_access 201411L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_nonmember_container_access)
+# define __cpp_lib_nonmember_container_access 201411L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_nonmember_container_access) && defined(__glibcxx_want_nonmember_container_access) */
+#undef __glibcxx_want_nonmember_container_access
+
+// from version.def line 541
+#if !defined(__cpp_lib_clamp)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_clamp 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_clamp)
+# define __cpp_lib_clamp 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_clamp) && defined(__glibcxx_want_clamp) */
+#undef __glibcxx_want_clamp
+
+// from version.def line 549
+#if !defined(__cpp_lib_sample)
+# if (__cplusplus >= 201703L)
+# define __glibcxx_sample 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_sample)
+# define __cpp_lib_sample 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_sample) && defined(__glibcxx_want_sample) */
+#undef __glibcxx_want_sample
+
+// from version.def line 557
+#if !defined(__cpp_lib_boyer_moore_searcher)
+# if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_boyer_moore_searcher 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_boyer_moore_searcher)
+# define __cpp_lib_boyer_moore_searcher 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_boyer_moore_searcher) && defined(__glibcxx_want_boyer_moore_searcher) */
+#undef __glibcxx_want_boyer_moore_searcher
+
+// from version.def line 566
+#if !defined(__cpp_lib_chrono)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_chrono 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_chrono)
+# define __cpp_lib_chrono 201907L
+# endif
+# elif (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_chrono 201611L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_chrono)
+# define __cpp_lib_chrono 201611L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_chrono) && defined(__glibcxx_want_chrono) */
+#undef __glibcxx_want_chrono
+
+// from version.def line 580
+#if !defined(__cpp_lib_execution)
+# if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_execution 201902L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_execution)
+# define __cpp_lib_execution 201902L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_execution) && defined(__glibcxx_want_execution) */
+#undef __glibcxx_want_execution
+
+// from version.def line 589
+#if !defined(__cpp_lib_filesystem)
+# if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_filesystem 201703L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_filesystem)
+# define __cpp_lib_filesystem 201703L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_filesystem) && defined(__glibcxx_want_filesystem) */
+#undef __glibcxx_want_filesystem
+
+// from version.def line 598
+#if !defined(__cpp_lib_hypot)
+# if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_hypot 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_hypot)
+# define __cpp_lib_hypot 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_hypot) && defined(__glibcxx_want_hypot) */
+#undef __glibcxx_want_hypot
+
+// from version.def line 607
+#if !defined(__cpp_lib_map_try_emplace)
+# if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_map_try_emplace 201411L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_map_try_emplace)
+# define __cpp_lib_map_try_emplace 201411L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_map_try_emplace) && defined(__glibcxx_want_map_try_emplace) */
+#undef __glibcxx_want_map_try_emplace
+
+// from version.def line 616
+#if !defined(__cpp_lib_math_special_functions)
+# if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_math_special_functions 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_math_special_functions)
+# define __cpp_lib_math_special_functions 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_math_special_functions) && defined(__glibcxx_want_math_special_functions) */
+#undef __glibcxx_want_math_special_functions
+
+// from version.def line 625
+#if !defined(__cpp_lib_memory_resource)
+# if (__cplusplus >= 201703L) && defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
+# define __glibcxx_memory_resource 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_memory_resource)
+# define __cpp_lib_memory_resource 201603L
+# endif
+# elif (__cplusplus >= 201703L) && !defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
+# define __glibcxx_memory_resource 1L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_memory_resource)
+# define __cpp_lib_memory_resource 1L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_memory_resource) && defined(__glibcxx_want_memory_resource) */
+#undef __glibcxx_want_memory_resource
+
+// from version.def line 642
+#if !defined(__cpp_lib_node_extract)
+# if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_node_extract 201606L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_node_extract)
+# define __cpp_lib_node_extract 201606L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_node_extract) && defined(__glibcxx_want_node_extract) */
+#undef __glibcxx_want_node_extract
+
+// from version.def line 651
+#if !defined(__cpp_lib_parallel_algorithm)
+# if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_parallel_algorithm 201603L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_parallel_algorithm)
+# define __cpp_lib_parallel_algorithm 201603L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_parallel_algorithm) && defined(__glibcxx_want_parallel_algorithm) */
+#undef __glibcxx_want_parallel_algorithm
+
+// from version.def line 660
+#if !defined(__cpp_lib_scoped_lock)
+# if (__cplusplus >= 201703L) && defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
+# define __glibcxx_scoped_lock 201703L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_scoped_lock)
+# define __cpp_lib_scoped_lock 201703L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_scoped_lock) && defined(__glibcxx_want_scoped_lock) */
+#undef __glibcxx_want_scoped_lock
+
+// from version.def line 670
+#if !defined(__cpp_lib_shared_mutex)
+# if (__cplusplus >= 201703L) && defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
+# define __glibcxx_shared_mutex 201505L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_shared_mutex)
+# define __cpp_lib_shared_mutex 201505L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_shared_mutex) && defined(__glibcxx_want_shared_mutex) */
+#undef __glibcxx_want_shared_mutex
+
+// from version.def line 680
+#if !defined(__cpp_lib_shared_ptr_weak_type)
+# if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_shared_ptr_weak_type 201606L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_shared_ptr_weak_type)
+# define __cpp_lib_shared_ptr_weak_type 201606L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_shared_ptr_weak_type) && defined(__glibcxx_want_shared_ptr_weak_type) */
+#undef __glibcxx_want_shared_ptr_weak_type
+
+// from version.def line 689
+#if !defined(__cpp_lib_string_view)
+# if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_string_view 201803L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_string_view)
+# define __cpp_lib_string_view 201803L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_string_view) && defined(__glibcxx_want_string_view) */
+#undef __glibcxx_want_string_view
+
+// from version.def line 698
+#if !defined(__cpp_lib_unordered_map_try_emplace)
+# if (__cplusplus >= 201703L) && _GLIBCXX_HOSTED
+# define __glibcxx_unordered_map_try_emplace 201411L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_unordered_map_try_emplace)
+# define __cpp_lib_unordered_map_try_emplace 201411L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_unordered_map_try_emplace) && defined(__glibcxx_want_unordered_map_try_emplace) */
+#undef __glibcxx_want_unordered_map_try_emplace
+
+// from version.def line 707
+#if !defined(__cpp_lib_assume_aligned)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_assume_aligned 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_assume_aligned)
+# define __cpp_lib_assume_aligned 201811L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_assume_aligned) && defined(__glibcxx_want_assume_aligned) */
+#undef __glibcxx_want_assume_aligned
+
+// from version.def line 715
+#if !defined(__cpp_lib_atomic_flag_test)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_atomic_flag_test 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_flag_test)
+# define __cpp_lib_atomic_flag_test 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_atomic_flag_test) && defined(__glibcxx_want_atomic_flag_test) */
+#undef __glibcxx_want_atomic_flag_test
+
+// from version.def line 723
+#if !defined(__cpp_lib_atomic_float)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_atomic_float 201711L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_float)
+# define __cpp_lib_atomic_float 201711L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_atomic_float) && defined(__glibcxx_want_atomic_float) */
+#undef __glibcxx_want_atomic_float
+
+// from version.def line 731
+#if !defined(__cpp_lib_atomic_lock_free_type_aliases)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_atomic_lock_free_type_aliases 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_lock_free_type_aliases)
+# define __cpp_lib_atomic_lock_free_type_aliases 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_atomic_lock_free_type_aliases) && defined(__glibcxx_want_atomic_lock_free_type_aliases) */
+#undef __glibcxx_want_atomic_lock_free_type_aliases
+
+// from version.def line 739
+#if !defined(__cpp_lib_atomic_ref)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_atomic_ref 201806L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_ref)
+# define __cpp_lib_atomic_ref 201806L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_atomic_ref) && defined(__glibcxx_want_atomic_ref) */
+#undef __glibcxx_want_atomic_ref
+
+// from version.def line 747
+#if !defined(__cpp_lib_atomic_value_initialization)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_atomic_value_initialization 201911L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_value_initialization)
+# define __cpp_lib_atomic_value_initialization 201911L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_atomic_value_initialization) && defined(__glibcxx_want_atomic_value_initialization) */
+#undef __glibcxx_want_atomic_value_initialization
+
+// from version.def line 755
+#if !defined(__cpp_lib_bind_front)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_bind_front 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_bind_front)
+# define __cpp_lib_bind_front 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_bind_front) && defined(__glibcxx_want_bind_front) */
+#undef __glibcxx_want_bind_front
+
+// from version.def line 763
+#if !defined(__cpp_lib_starts_ends_with)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_starts_ends_with 201711L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_starts_ends_with)
+# define __cpp_lib_starts_ends_with 201711L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_starts_ends_with) && defined(__glibcxx_want_starts_ends_with) */
+#undef __glibcxx_want_starts_ends_with
+
+// from version.def line 771
+#if !defined(__cpp_lib_bit_cast)
+# if (__cplusplus >= 202002L) && (__has_builtin(__builtin_bit_cast))
+# define __glibcxx_bit_cast 201806L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_bit_cast)
+# define __cpp_lib_bit_cast 201806L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_bit_cast) && defined(__glibcxx_want_bit_cast) */
+#undef __glibcxx_want_bit_cast
+
+// from version.def line 780
+#if !defined(__cpp_lib_bitops)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_bitops 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_bitops)
+# define __cpp_lib_bitops 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_bitops) && defined(__glibcxx_want_bitops) */
+#undef __glibcxx_want_bitops
+
+// from version.def line 788
+#if !defined(__cpp_lib_bounded_array_traits)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_bounded_array_traits 201902L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_bounded_array_traits)
+# define __cpp_lib_bounded_array_traits 201902L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_bounded_array_traits) && defined(__glibcxx_want_bounded_array_traits) */
+#undef __glibcxx_want_bounded_array_traits
+
+// from version.def line 796
+#if !defined(__cpp_lib_concepts)
+# if (__cplusplus >= 202002L) && (__cpp_concepts >= 201907L)
+# define __glibcxx_concepts 202002L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_concepts)
+# define __cpp_lib_concepts 202002L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_concepts) && defined(__glibcxx_want_concepts) */
+#undef __glibcxx_want_concepts
+
+// from version.def line 806
+#if !defined(__cpp_lib_optional)
+# if (__cplusplus > 202002L) && (__glibcxx_concepts)
+# define __glibcxx_optional 202110L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_optional)
+# define __cpp_lib_optional 202110L
+# endif
+# elif (__cplusplus >= 202002L)
+# define __glibcxx_optional 202106L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_optional)
+# define __cpp_lib_optional 202106L
+# endif
+# elif (__cplusplus >= 201703L)
+# define __glibcxx_optional 201606L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_optional)
+# define __cpp_lib_optional 201606L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_optional) && defined(__glibcxx_want_optional) */
+#undef __glibcxx_want_optional
+
+// from version.def line 823
+#if !defined(__cpp_lib_destroying_delete)
+# if (__cplusplus >= 202002L) && (__cpp_impl_destroying_delete)
+# define __glibcxx_destroying_delete 201806L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_destroying_delete)
+# define __cpp_lib_destroying_delete 201806L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_destroying_delete) && defined(__glibcxx_want_destroying_delete) */
+#undef __glibcxx_want_destroying_delete
+
+// from version.def line 832
+#if !defined(__cpp_lib_constexpr_string_view)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_constexpr_string_view 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_string_view)
+# define __cpp_lib_constexpr_string_view 201811L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_string_view) && defined(__glibcxx_want_constexpr_string_view) */
+#undef __glibcxx_want_constexpr_string_view
+
+// from version.def line 840
+#if !defined(__cpp_lib_endian)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_endian 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_endian)
+# define __cpp_lib_endian 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_endian) && defined(__glibcxx_want_endian) */
+#undef __glibcxx_want_endian
+
+// from version.def line 848
+#if !defined(__cpp_lib_int_pow2)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_int_pow2 202002L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_int_pow2)
+# define __cpp_lib_int_pow2 202002L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_int_pow2) && defined(__glibcxx_want_int_pow2) */
+#undef __glibcxx_want_int_pow2
+
+// from version.def line 856
+#if !defined(__cpp_lib_integer_comparison_functions)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_integer_comparison_functions 202002L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_integer_comparison_functions)
+# define __cpp_lib_integer_comparison_functions 202002L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_integer_comparison_functions) && defined(__glibcxx_want_integer_comparison_functions) */
+#undef __glibcxx_want_integer_comparison_functions
+
+// from version.def line 864
+#if !defined(__cpp_lib_is_constant_evaluated)
+# if (__cplusplus >= 202002L) && (defined(_GLIBCXX_HAVE_IS_CONSTANT_EVALUATED))
+# define __glibcxx_is_constant_evaluated 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_constant_evaluated)
+# define __cpp_lib_is_constant_evaluated 201811L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_is_constant_evaluated) && defined(__glibcxx_want_is_constant_evaluated) */
+#undef __glibcxx_want_is_constant_evaluated
+
+// from version.def line 874
+#if !defined(__cpp_lib_constexpr_char_traits)
+# if (__cplusplus >= 202002L) && (defined(__glibcxx_is_constant_evaluated))
+# define __glibcxx_constexpr_char_traits 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_char_traits)
+# define __cpp_lib_constexpr_char_traits 201811L
+# endif
+# elif (__cplusplus >= 201703L) && (_GLIBCXX_HAVE_IS_CONSTANT_EVALUATED)
+# define __glibcxx_constexpr_char_traits 201611L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_char_traits)
+# define __cpp_lib_constexpr_char_traits 201611L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_char_traits) && defined(__glibcxx_want_constexpr_char_traits) */
+#undef __glibcxx_want_constexpr_char_traits
+
+// from version.def line 890
+#if !defined(__cpp_lib_is_layout_compatible)
+# if (__cplusplus >= 202002L) && (__has_builtin(__is_layout_compatible) && __has_builtin(__builtin_is_corresponding_member))
+# define __glibcxx_is_layout_compatible 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_layout_compatible)
+# define __cpp_lib_is_layout_compatible 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_is_layout_compatible) && defined(__glibcxx_want_is_layout_compatible) */
+#undef __glibcxx_want_is_layout_compatible
+
+// from version.def line 900
+#if !defined(__cpp_lib_is_nothrow_convertible)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_is_nothrow_convertible 201806L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_nothrow_convertible)
+# define __cpp_lib_is_nothrow_convertible 201806L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_is_nothrow_convertible) && defined(__glibcxx_want_is_nothrow_convertible) */
+#undef __glibcxx_want_is_nothrow_convertible
+
+// from version.def line 908
+#if !defined(__cpp_lib_is_pointer_interconvertible)
+# if (__cplusplus >= 202002L) && (__has_builtin(__is_pointer_interconvertible_base_of) && __has_builtin(__builtin_is_pointer_interconvertible_with_class))
+# define __glibcxx_is_pointer_interconvertible 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_pointer_interconvertible)
+# define __cpp_lib_is_pointer_interconvertible 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_is_pointer_interconvertible) && defined(__glibcxx_want_is_pointer_interconvertible) */
+#undef __glibcxx_want_is_pointer_interconvertible
+
+// from version.def line 919
+#if !defined(__cpp_lib_math_constants)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_math_constants 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_math_constants)
+# define __cpp_lib_math_constants 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_math_constants) && defined(__glibcxx_want_math_constants) */
+#undef __glibcxx_want_math_constants
+
+// from version.def line 927
+#if !defined(__cpp_lib_make_obj_using_allocator)
+# if (__cplusplus >= 202002L) && (__cpp_concepts)
+# define __glibcxx_make_obj_using_allocator 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_make_obj_using_allocator)
+# define __cpp_lib_make_obj_using_allocator 201811L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_make_obj_using_allocator) && defined(__glibcxx_want_make_obj_using_allocator) */
+#undef __glibcxx_want_make_obj_using_allocator
+
+// from version.def line 937
+#if !defined(__cpp_lib_remove_cvref)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_remove_cvref 201711L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_remove_cvref)
+# define __cpp_lib_remove_cvref 201711L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_remove_cvref) && defined(__glibcxx_want_remove_cvref) */
+#undef __glibcxx_want_remove_cvref
+
+// from version.def line 945
+#if !defined(__cpp_lib_source_location)
+# if (__cplusplus >= 202002L) && (__has_builtin(__builtin_source_location))
+# define __glibcxx_source_location 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_source_location)
+# define __cpp_lib_source_location 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_source_location) && defined(__glibcxx_want_source_location) */
+#undef __glibcxx_want_source_location
+
+// from version.def line 954
+#if !defined(__cpp_lib_span)
+# if (__cplusplus >= 202002L) && (__glibcxx_concepts)
+# define __glibcxx_span 202002L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_span)
+# define __cpp_lib_span 202002L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_span) && defined(__glibcxx_want_span) */
+#undef __glibcxx_want_span
+
+// from version.def line 963
+#if !defined(__cpp_lib_ssize)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_ssize 201902L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ssize)
+# define __cpp_lib_ssize 201902L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ssize) && defined(__glibcxx_want_ssize) */
+#undef __glibcxx_want_ssize
+
+// from version.def line 971
+#if !defined(__cpp_lib_three_way_comparison)
+# if (__cplusplus >= 202002L) && (__cpp_impl_three_way_comparison >= 201907L && __glibcxx_concepts)
+# define __glibcxx_three_way_comparison 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_three_way_comparison)
+# define __cpp_lib_three_way_comparison 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_three_way_comparison) && defined(__glibcxx_want_three_way_comparison) */
+#undef __glibcxx_want_three_way_comparison
+
+// from version.def line 981
+#if !defined(__cpp_lib_to_address)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_to_address 201711L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_to_address)
+# define __cpp_lib_to_address 201711L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_to_address) && defined(__glibcxx_want_to_address) */
+#undef __glibcxx_want_to_address
+
+// from version.def line 989
+#if !defined(__cpp_lib_to_array)
+# if (__cplusplus >= 202002L) && (__cpp_generic_lambdas >= 201707L)
+# define __glibcxx_to_array 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_to_array)
+# define __cpp_lib_to_array 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_to_array) && defined(__glibcxx_want_to_array) */
+#undef __glibcxx_want_to_array
+
+// from version.def line 998
+#if !defined(__cpp_lib_type_identity)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_type_identity 201806L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_type_identity)
+# define __cpp_lib_type_identity 201806L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_type_identity) && defined(__glibcxx_want_type_identity) */
+#undef __glibcxx_want_type_identity
+
+// from version.def line 1006
+#if !defined(__cpp_lib_unwrap_ref)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_unwrap_ref 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_unwrap_ref)
+# define __cpp_lib_unwrap_ref 201811L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_unwrap_ref) && defined(__glibcxx_want_unwrap_ref) */
+#undef __glibcxx_want_unwrap_ref
+
+// from version.def line 1014
+#if !defined(__cpp_lib_constexpr_iterator)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_constexpr_iterator 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_iterator)
+# define __cpp_lib_constexpr_iterator 201811L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_iterator) && defined(__glibcxx_want_constexpr_iterator) */
+#undef __glibcxx_want_constexpr_iterator
+
+// from version.def line 1022
+#if !defined(__cpp_lib_interpolate)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_interpolate 201902L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_interpolate)
+# define __cpp_lib_interpolate 201902L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_interpolate) && defined(__glibcxx_want_interpolate) */
+#undef __glibcxx_want_interpolate
+
+// from version.def line 1030
+#if !defined(__cpp_lib_constexpr_utility)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_constexpr_utility 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_utility)
+# define __cpp_lib_constexpr_utility 201811L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_utility) && defined(__glibcxx_want_constexpr_utility) */
+#undef __glibcxx_want_constexpr_utility
+
+// from version.def line 1038
+#if !defined(__cpp_lib_shift)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_shift 201806L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_shift)
+# define __cpp_lib_shift 201806L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_shift) && defined(__glibcxx_want_shift) */
+#undef __glibcxx_want_shift
+
+// from version.def line 1046
+#if !defined(__cpp_lib_ranges)
+# if (__cplusplus > 202002L) && (__glibcxx_concepts)
+# define __glibcxx_ranges 202202L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges)
+# define __cpp_lib_ranges 202202L
+# endif
+# elif (__cplusplus >= 202002L) && (__glibcxx_concepts)
+# define __glibcxx_ranges 202110L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges)
+# define __cpp_lib_ranges 202110L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges) && defined(__glibcxx_want_ranges) */
+#undef __glibcxx_want_ranges
+
+// from version.def line 1060
+#if !defined(__cpp_lib_constexpr_numeric)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_constexpr_numeric 201911L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_numeric)
+# define __cpp_lib_constexpr_numeric 201911L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_numeric) && defined(__glibcxx_want_constexpr_numeric) */
+#undef __glibcxx_want_constexpr_numeric
+
+// from version.def line 1068
+#if !defined(__cpp_lib_constexpr_functional)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_constexpr_functional 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_functional)
+# define __cpp_lib_constexpr_functional 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_functional) && defined(__glibcxx_want_constexpr_functional) */
+#undef __glibcxx_want_constexpr_functional
+
+// from version.def line 1076
+#if !defined(__cpp_lib_constexpr_algorithms)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_constexpr_algorithms 201806L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_algorithms)
+# define __cpp_lib_constexpr_algorithms 201806L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_algorithms) && defined(__glibcxx_want_constexpr_algorithms) */
+#undef __glibcxx_want_constexpr_algorithms
+
+// from version.def line 1084
+#if !defined(__cpp_lib_constexpr_tuple)
+# if (__cplusplus >= 202002L)
+# define __glibcxx_constexpr_tuple 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_tuple)
+# define __cpp_lib_constexpr_tuple 201811L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_tuple) && defined(__glibcxx_want_constexpr_tuple) */
+#undef __glibcxx_want_constexpr_tuple
+
+// from version.def line 1092
+#if !defined(__cpp_lib_constexpr_memory)
+# if (__cplusplus > 202002L) && (__cpp_constexpr_dynamic_alloc)
+# define __glibcxx_constexpr_memory 202202L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_memory)
+# define __cpp_lib_constexpr_memory 202202L
+# endif
+# elif (__cplusplus >= 202002L)
+# define __glibcxx_constexpr_memory 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_memory)
+# define __cpp_lib_constexpr_memory 201811L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_memory) && defined(__glibcxx_want_constexpr_memory) */
+#undef __glibcxx_want_constexpr_memory
+
+// from version.def line 1105
+#if !defined(__cpp_lib_atomic_shared_ptr)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_atomic_shared_ptr 201711L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_shared_ptr)
+# define __cpp_lib_atomic_shared_ptr 201711L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_atomic_shared_ptr) && defined(__glibcxx_want_atomic_shared_ptr) */
+#undef __glibcxx_want_atomic_shared_ptr
+
+// from version.def line 1114
+#if !defined(__cpp_lib_atomic_wait)
+# if (__cplusplus >= 202002L) && defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
+# define __glibcxx_atomic_wait 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_wait)
+# define __cpp_lib_atomic_wait 201907L
+# endif
+# elif (__cplusplus >= 202002L) && !defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED && (defined(_GLIBCXX_HAVE_LINUX_FUTEX))
+# define __glibcxx_atomic_wait 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_atomic_wait)
+# define __cpp_lib_atomic_wait 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_atomic_wait) && defined(__glibcxx_want_atomic_wait) */
+#undef __glibcxx_want_atomic_wait
+
+// from version.def line 1132
+#if !defined(__cpp_lib_barrier)
+# if (__cplusplus >= 202002L) && (__cpp_aligned_new && __glibcxx_atomic_wait)
+# define __glibcxx_barrier 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_barrier)
+# define __cpp_lib_barrier 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_barrier) && defined(__glibcxx_want_barrier) */
+#undef __glibcxx_want_barrier
+
+// from version.def line 1149
+#if !defined(__cpp_lib_format)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_format 202106L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_format)
+# define __cpp_lib_format 202106L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_format) && defined(__glibcxx_want_format) */
+#undef __glibcxx_want_format
+
+// from version.def line 1162
+#if !defined(__cpp_lib_constexpr_complex)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_constexpr_complex 201711L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_complex)
+# define __cpp_lib_constexpr_complex 201711L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_complex) && defined(__glibcxx_want_constexpr_complex) */
+#undef __glibcxx_want_constexpr_complex
+
+// from version.def line 1171
+#if !defined(__cpp_lib_constexpr_dynamic_alloc)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_constexpr_dynamic_alloc 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_dynamic_alloc)
+# define __cpp_lib_constexpr_dynamic_alloc 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_dynamic_alloc) && defined(__glibcxx_want_constexpr_dynamic_alloc) */
+#undef __glibcxx_want_constexpr_dynamic_alloc
+
+// from version.def line 1180
+#if !defined(__cpp_lib_constexpr_string)
+# if (__cplusplus >= 202002L) && _GLIBCXX_USE_CXX11_ABI && _GLIBCXX_HOSTED && (defined(__glibcxx_is_constant_evaluated))
+# define __glibcxx_constexpr_string 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_string)
+# define __cpp_lib_constexpr_string 201907L
+# endif
+# elif (__cplusplus >= 202002L) && !_GLIBCXX_USE_CXX11_ABI && _GLIBCXX_HOSTED && (defined(__glibcxx_is_constant_evaluated))
+# define __glibcxx_constexpr_string 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_string)
+# define __cpp_lib_constexpr_string 201811L
+# endif
+# elif (__cplusplus >= 201703L) && _GLIBCXX_HOSTED && (_GLIBCXX_HAVE_IS_CONSTANT_EVALUATED)
+# define __glibcxx_constexpr_string 201611L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_string)
+# define __cpp_lib_constexpr_string 201611L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_string) && defined(__glibcxx_want_constexpr_string) */
+#undef __glibcxx_want_constexpr_string
+
+// from version.def line 1204
+#if !defined(__cpp_lib_constexpr_vector)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_constexpr_vector 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_vector)
+# define __cpp_lib_constexpr_vector 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_vector) && defined(__glibcxx_want_constexpr_vector) */
+#undef __glibcxx_want_constexpr_vector
+
+// from version.def line 1213
+#if !defined(__cpp_lib_erase_if)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_erase_if 202002L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_erase_if)
+# define __cpp_lib_erase_if 202002L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_erase_if) && defined(__glibcxx_want_erase_if) */
+#undef __glibcxx_want_erase_if
+
+// from version.def line 1222
+#if !defined(__cpp_lib_generic_unordered_lookup)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_generic_unordered_lookup 201811L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_generic_unordered_lookup)
+# define __cpp_lib_generic_unordered_lookup 201811L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_generic_unordered_lookup) && defined(__glibcxx_want_generic_unordered_lookup) */
+#undef __glibcxx_want_generic_unordered_lookup
+
+// from version.def line 1231
+#if !defined(__cpp_lib_jthread)
+# if (__cplusplus >= 202002L) && defined(_GLIBCXX_HAS_GTHREADS) && _GLIBCXX_HOSTED
+# define __glibcxx_jthread 201911L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_jthread)
+# define __cpp_lib_jthread 201911L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_jthread) && defined(__glibcxx_want_jthread) */
+#undef __glibcxx_want_jthread
+
+// from version.def line 1241
+#if !defined(__cpp_lib_latch)
+# if (__cplusplus >= 202002L) && (__glibcxx_atomic_wait)
+# define __glibcxx_latch 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_latch)
+# define __cpp_lib_latch 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_latch) && defined(__glibcxx_want_latch) */
+#undef __glibcxx_want_latch
+
+// from version.def line 1250
+#if !defined(__cpp_lib_list_remove_return_type)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_list_remove_return_type 201806L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_list_remove_return_type)
+# define __cpp_lib_list_remove_return_type 201806L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_list_remove_return_type) && defined(__glibcxx_want_list_remove_return_type) */
+#undef __glibcxx_want_list_remove_return_type
+
+// from version.def line 1259
+#if !defined(__cpp_lib_polymorphic_allocator)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_polymorphic_allocator 201902L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_polymorphic_allocator)
+# define __cpp_lib_polymorphic_allocator 201902L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_polymorphic_allocator) && defined(__glibcxx_want_polymorphic_allocator) */
+#undef __glibcxx_want_polymorphic_allocator
+
+// from version.def line 1268
+#if !defined(__cpp_lib_move_iterator_concept)
+# if (__cplusplus >= 202002L) && (__glibcxx_concepts)
+# define __glibcxx_move_iterator_concept 202207L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_move_iterator_concept)
+# define __cpp_lib_move_iterator_concept 202207L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_move_iterator_concept) && defined(__glibcxx_want_move_iterator_concept) */
+#undef __glibcxx_want_move_iterator_concept
+
+// from version.def line 1278
+#if !defined(__cpp_lib_semaphore)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED && (__glibcxx_atomic_wait || _GLIBCXX_HAVE_POSIX_SEMAPHORE)
+# define __glibcxx_semaphore 201907L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_semaphore)
+# define __cpp_lib_semaphore 201907L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_semaphore) && defined(__glibcxx_want_semaphore) */
+#undef __glibcxx_want_semaphore
+
+// from version.def line 1288
+#if !defined(__cpp_lib_smart_ptr_for_overwrite)
+# if (__cplusplus >= 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_smart_ptr_for_overwrite 202002L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_smart_ptr_for_overwrite)
+# define __cpp_lib_smart_ptr_for_overwrite 202002L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_smart_ptr_for_overwrite) && defined(__glibcxx_want_smart_ptr_for_overwrite) */
+#undef __glibcxx_want_smart_ptr_for_overwrite
+
+// from version.def line 1297
+#if !defined(__cpp_lib_syncbuf)
+# if (__cplusplus >= 202002L) && _GLIBCXX_USE_CXX11_ABI && _GLIBCXX_HOSTED
+# define __glibcxx_syncbuf 201803L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_syncbuf)
+# define __cpp_lib_syncbuf 201803L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_syncbuf) && defined(__glibcxx_want_syncbuf) */
+#undef __glibcxx_want_syncbuf
+
+// from version.def line 1307
+#if !defined(__cpp_lib_byteswap)
+# if (__cplusplus > 202002L)
+# define __glibcxx_byteswap 202110L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_byteswap)
+# define __cpp_lib_byteswap 202110L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_byteswap) && defined(__glibcxx_want_byteswap) */
+#undef __glibcxx_want_byteswap
+
+// from version.def line 1315
+#if !defined(__cpp_lib_constexpr_charconv)
+# if (__cplusplus > 202002L)
+# define __glibcxx_constexpr_charconv 202207L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_charconv)
+# define __cpp_lib_constexpr_charconv 202207L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_charconv) && defined(__glibcxx_want_constexpr_charconv) */
+#undef __glibcxx_want_constexpr_charconv
+
+// from version.def line 1323
+#if !defined(__cpp_lib_constexpr_typeinfo)
+# if (__cplusplus > 202002L)
+# define __glibcxx_constexpr_typeinfo 202106L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_typeinfo)
+# define __cpp_lib_constexpr_typeinfo 202106L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_typeinfo) && defined(__glibcxx_want_constexpr_typeinfo) */
+#undef __glibcxx_want_constexpr_typeinfo
+
+// from version.def line 1331
+#if !defined(__cpp_lib_expected)
+# if (__cplusplus > 202002L) && (__cpp_concepts >= 202002L)
+# define __glibcxx_expected 202211L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_expected)
+# define __cpp_lib_expected 202211L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_expected) && defined(__glibcxx_want_expected) */
+#undef __glibcxx_want_expected
+
+// from version.def line 1340
+#if !defined(__cpp_lib_invoke_r)
+# if (__cplusplus > 202002L)
+# define __glibcxx_invoke_r 202106L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_invoke_r)
+# define __cpp_lib_invoke_r 202106L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_invoke_r) && defined(__glibcxx_want_invoke_r) */
+#undef __glibcxx_want_invoke_r
+
+// from version.def line 1348
+#if !defined(__cpp_lib_is_scoped_enum)
+# if (__cplusplus > 202002L)
+# define __glibcxx_is_scoped_enum 202011L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_is_scoped_enum)
+# define __cpp_lib_is_scoped_enum 202011L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_is_scoped_enum) && defined(__glibcxx_want_is_scoped_enum) */
+#undef __glibcxx_want_is_scoped_enum
+
+// from version.def line 1356
+#if !defined(__cpp_lib_reference_from_temporary)
+# if (__cplusplus > 202002L) && (__has_builtin(__reference_constructs_from_temporary) && __has_builtin(__reference_converts_from_temporary))
+# define __glibcxx_reference_from_temporary 202202L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_reference_from_temporary)
+# define __cpp_lib_reference_from_temporary 202202L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_reference_from_temporary) && defined(__glibcxx_want_reference_from_temporary) */
+#undef __glibcxx_want_reference_from_temporary
+
+// from version.def line 1367
+#if !defined(__cpp_lib_to_underlying)
+# if (__cplusplus > 202002L)
+# define __glibcxx_to_underlying 202102L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_to_underlying)
+# define __cpp_lib_to_underlying 202102L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_to_underlying) && defined(__glibcxx_want_to_underlying) */
+#undef __glibcxx_want_to_underlying
+
+// from version.def line 1375
+#if !defined(__cpp_lib_unreachable)
+# if (__cplusplus > 202002L)
+# define __glibcxx_unreachable 202202L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_unreachable)
+# define __cpp_lib_unreachable 202202L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_unreachable) && defined(__glibcxx_want_unreachable) */
+#undef __glibcxx_want_unreachable
+
+// from version.def line 1383
+#if !defined(__cpp_lib_ranges_zip)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_zip 202110L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_zip)
+# define __cpp_lib_ranges_zip 202110L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_zip) && defined(__glibcxx_want_ranges_zip) */
+#undef __glibcxx_want_ranges_zip
+
+// from version.def line 1391
+#if !defined(__cpp_lib_ranges_chunk)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_chunk 202202L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_chunk)
+# define __cpp_lib_ranges_chunk 202202L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_chunk) && defined(__glibcxx_want_ranges_chunk) */
+#undef __glibcxx_want_ranges_chunk
+
+// from version.def line 1399
+#if !defined(__cpp_lib_ranges_slide)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_slide 202202L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_slide)
+# define __cpp_lib_ranges_slide 202202L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_slide) && defined(__glibcxx_want_ranges_slide) */
+#undef __glibcxx_want_ranges_slide
+
+// from version.def line 1407
+#if !defined(__cpp_lib_ranges_chunk_by)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_chunk_by 202202L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_chunk_by)
+# define __cpp_lib_ranges_chunk_by 202202L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_chunk_by) && defined(__glibcxx_want_ranges_chunk_by) */
+#undef __glibcxx_want_ranges_chunk_by
+
+// from version.def line 1415
+#if !defined(__cpp_lib_ranges_join_with)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_join_with 202202L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_join_with)
+# define __cpp_lib_ranges_join_with 202202L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_join_with) && defined(__glibcxx_want_ranges_join_with) */
+#undef __glibcxx_want_ranges_join_with
+
+// from version.def line 1423
+#if !defined(__cpp_lib_ranges_repeat)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_repeat 202207L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_repeat)
+# define __cpp_lib_ranges_repeat 202207L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_repeat) && defined(__glibcxx_want_ranges_repeat) */
+#undef __glibcxx_want_ranges_repeat
+
+// from version.def line 1431
+#if !defined(__cpp_lib_ranges_stride)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_stride 202207L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_stride)
+# define __cpp_lib_ranges_stride 202207L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_stride) && defined(__glibcxx_want_ranges_stride) */
+#undef __glibcxx_want_ranges_stride
+
+// from version.def line 1439
+#if !defined(__cpp_lib_ranges_cartesian_product)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_cartesian_product 202207L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_cartesian_product)
+# define __cpp_lib_ranges_cartesian_product 202207L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_cartesian_product) && defined(__glibcxx_want_ranges_cartesian_product) */
+#undef __glibcxx_want_ranges_cartesian_product
+
+// from version.def line 1447
+#if !defined(__cpp_lib_ranges_as_rvalue)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_as_rvalue 202207L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_as_rvalue)
+# define __cpp_lib_ranges_as_rvalue 202207L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_as_rvalue) && defined(__glibcxx_want_ranges_as_rvalue) */
+#undef __glibcxx_want_ranges_as_rvalue
+
+// from version.def line 1455
+#if !defined(__cpp_lib_ranges_as_const)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_as_const 202207L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_as_const)
+# define __cpp_lib_ranges_as_const 202207L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_as_const) && defined(__glibcxx_want_ranges_as_const) */
+#undef __glibcxx_want_ranges_as_const
+
+// from version.def line 1463
+#if !defined(__cpp_lib_ranges_enumerate)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_enumerate 202302L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_enumerate)
+# define __cpp_lib_ranges_enumerate 202302L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_enumerate) && defined(__glibcxx_want_ranges_enumerate) */
+#undef __glibcxx_want_ranges_enumerate
+
+// from version.def line 1471
+#if !defined(__cpp_lib_ranges_fold)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_fold 202207L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_fold)
+# define __cpp_lib_ranges_fold 202207L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_fold) && defined(__glibcxx_want_ranges_fold) */
+#undef __glibcxx_want_ranges_fold
+
+// from version.def line 1479
+#if !defined(__cpp_lib_ranges_contains)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_contains 202207L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_contains)
+# define __cpp_lib_ranges_contains 202207L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_contains) && defined(__glibcxx_want_ranges_contains) */
+#undef __glibcxx_want_ranges_contains
+
+// from version.def line 1487
+#if !defined(__cpp_lib_ranges_iota)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_iota 202202L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_iota)
+# define __cpp_lib_ranges_iota 202202L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_iota) && defined(__glibcxx_want_ranges_iota) */
+#undef __glibcxx_want_ranges_iota
+
+// from version.def line 1495
+#if !defined(__cpp_lib_ranges_find_last)
+# if (__cplusplus > 202002L)
+# define __glibcxx_ranges_find_last 202207L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ranges_find_last)
+# define __cpp_lib_ranges_find_last 202207L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ranges_find_last) && defined(__glibcxx_want_ranges_find_last) */
+#undef __glibcxx_want_ranges_find_last
+
+// from version.def line 1503
+#if !defined(__cpp_lib_constexpr_bitset)
+# if (__cplusplus > 202002L) && _GLIBCXX_HOSTED && (__cpp_constexpr_dynamic_alloc)
+# define __glibcxx_constexpr_bitset 202202L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_constexpr_bitset)
+# define __cpp_lib_constexpr_bitset 202202L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_constexpr_bitset) && defined(__glibcxx_want_constexpr_bitset) */
+#undef __glibcxx_want_constexpr_bitset
+
+// from version.def line 1513
+#if !defined(__cpp_lib_stdatomic_h)
+# if (__cplusplus > 202002L)
+# define __glibcxx_stdatomic_h 202011L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_stdatomic_h)
+# define __cpp_lib_stdatomic_h 202011L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_stdatomic_h) && defined(__glibcxx_want_stdatomic_h) */
+#undef __glibcxx_want_stdatomic_h
+
+// from version.def line 1521
+#if !defined(__cpp_lib_adaptor_iterator_pair_constructor)
+# if (__cplusplus > 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_adaptor_iterator_pair_constructor 202106L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_adaptor_iterator_pair_constructor)
+# define __cpp_lib_adaptor_iterator_pair_constructor 202106L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_adaptor_iterator_pair_constructor) && defined(__glibcxx_want_adaptor_iterator_pair_constructor) */
+#undef __glibcxx_want_adaptor_iterator_pair_constructor
+
+// from version.def line 1530
+#if !defined(__cpp_lib_ios_noreplace)
+# if (__cplusplus > 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_ios_noreplace 202207L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_ios_noreplace)
+# define __cpp_lib_ios_noreplace 202207L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_ios_noreplace) && defined(__glibcxx_want_ios_noreplace) */
+#undef __glibcxx_want_ios_noreplace
+
+// from version.def line 1539
+#if !defined(__cpp_lib_move_only_function)
+# if (__cplusplus > 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_move_only_function 202110L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_move_only_function)
+# define __cpp_lib_move_only_function 202110L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_move_only_function) && defined(__glibcxx_want_move_only_function) */
+#undef __glibcxx_want_move_only_function
+
+// from version.def line 1548
+#if !defined(__cpp_lib_spanstream)
+# if (__cplusplus > 202002L) && _GLIBCXX_HOSTED && (__glibcxx_span)
+# define __glibcxx_spanstream 202106L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_spanstream)
+# define __cpp_lib_spanstream 202106L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_spanstream) && defined(__glibcxx_want_spanstream) */
+#undef __glibcxx_want_spanstream
+
+// from version.def line 1558
+#if !defined(__cpp_lib_stacktrace)
+# if (__cplusplus > 202002L) && _GLIBCXX_HOSTED && (_GLIBCXX_HAVE_STACKTRACE)
+# define __glibcxx_stacktrace 202011L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_stacktrace)
+# define __cpp_lib_stacktrace 202011L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_stacktrace) && defined(__glibcxx_want_stacktrace) */
+#undef __glibcxx_want_stacktrace
+
+// from version.def line 1568
+#if !defined(__cpp_lib_string_contains)
+# if (__cplusplus > 202002L) && _GLIBCXX_HOSTED
+# define __glibcxx_string_contains 202011L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_string_contains)
+# define __cpp_lib_string_contains 202011L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_string_contains) && defined(__glibcxx_want_string_contains) */
+#undef __glibcxx_want_string_contains
+
+// from version.def line 1577
+#if !defined(__cpp_lib_string_resize_and_overwrite)
+# if (__cplusplus > 202002L) && _GLIBCXX_USE_CXX11_ABI && _GLIBCXX_HOSTED
+# define __glibcxx_string_resize_and_overwrite 202110L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_string_resize_and_overwrite)
+# define __cpp_lib_string_resize_and_overwrite 202110L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_string_resize_and_overwrite) && defined(__glibcxx_want_string_resize_and_overwrite) */
+#undef __glibcxx_want_string_resize_and_overwrite
+
+#undef __glibcxx_want_all