import("//libcxx/config.gni")
import("//llvm/utils/gn/build/write_cmake_config.gni")

libcxx_generated_include_dir = "$root_build_dir/include/c++/v1"

# This is a bit weird. For now, we assume that __config_site is identical
# in all toolchains, and only copy it (and all other libcxx headers)
# to 'include' in the root build dir, so that it's the same for all toolchains.
# Maybe we want to make this per-toolchain eventually (and then use root_out_dir
# in libcxx_generated_include_dir) -- e.g. for cross-builds that for example
# use for-linux-configured libc++ for the host build but for-windows-configured
# libc++ for the target build.
if (current_toolchain == default_toolchain) {
  write_cmake_config("write_config_site") {
    input = "__config_site.in"
    output = "$libcxx_generated_include_dir/__config_site"

    values = [
      "_LIBCPP_ABI_FORCE_ITANIUM=",
      "_LIBCPP_ABI_FORCE_MICROSOFT=",
      "_LIBCPP_EXTRA_SITE_DEFINES=",
      "_LIBCPP_HAS_NO_FILESYSTEM=",
      "_LIBCPP_HAS_NO_THREADS=",
      "_LIBCPP_HAS_NO_MONOTONIC_CLOCK=",
      "_LIBCPP_HAS_MUSL_LIBC=",
      "_LIBCPP_HAS_THREAD_API_PTHREAD=",
      "_LIBCPP_HAS_THREAD_API_EXTERNAL=",
      "_LIBCPP_HAS_THREAD_API_WIN32=",
      "_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS=",
      "_LIBCPP_HAS_NO_VENDOR_AVAILABILITY_ANNOTATIONS=1",
      "_LIBCPP_NO_VCRUNTIME=",
      "_LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION=",
      "_LIBCPP_HAS_NO_RANDOM_DEVICE=",
      "_LIBCPP_HAS_NO_LOCALIZATION=",
      "_LIBCPP_HAS_NO_WIDE_CHARACTERS=",
      "_LIBCPP_HAS_NO_STD_MODULES=",
      "_LIBCPP_INSTRUMENTED_WITH_ASAN=",
      "_LIBCPP_ABI_DEFINES=",
      "_LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE",
      "_LIBCPP_PSTL_BACKEND_LIBDISPATCH=",
      "_LIBCPP_PSTL_BACKEND_SERIAL=1",
      "_LIBCPP_PSTL_BACKEND_STD_THREAD=",
    ]
    if (libcxx_abi_version != 1) {
      values += [ "_LIBCPP_ABI_VERSION=$libcxx_abi_version" ]
    } else {
      values += [ "_LIBCPP_ABI_VERSION=" ]
    }
    if (libcxx_abi_namespace != "") {
      values += [ "_LIBCPP_ABI_NAMESPACE=$libcxx_abi_namespace" ]
    } else {
      values += [ "_LIBCPP_ABI_NAMESPACE=__" + libcxx_abi_version ]
    }
    if (!libcxx_enable_time_zone_database) {
      values += [ "_LIBCPP_HAS_NO_TIME_ZONE_DATABASE=1" ]
    } else {
      values += [ "_LIBCPP_HAS_NO_TIME_ZONE_DATABASE=" ]
    }
  }

  # This uses write_cmake_config() instead of a normal copy() rule because
  # copy() uses `sources`, and if there's more than one `sources` in a file,
  # sync_source_lists_from_cmake.py can't auto-sync changes.
  write_cmake_config("write_assertion_handler") {
    input = "//libcxx/vendor/llvm/default_assertion_handler.in"
    output = "$libcxx_generated_include_dir/__assertion_handler"
    values = []
  }

  copy("copy_headers") {
    sources = [
      "__algorithm/adjacent_find.h",
      "__algorithm/all_of.h",
      "__algorithm/any_of.h",
      "__algorithm/binary_search.h",
      "__algorithm/clamp.h",
      "__algorithm/comp.h",
      "__algorithm/comp_ref_type.h",
      "__algorithm/copy.h",
      "__algorithm/copy_backward.h",
      "__algorithm/copy_if.h",
      "__algorithm/copy_move_common.h",
      "__algorithm/copy_n.h",
      "__algorithm/count.h",
      "__algorithm/count_if.h",
      "__algorithm/equal.h",
      "__algorithm/equal_range.h",
      "__algorithm/fill.h",
      "__algorithm/fill_n.h",
      "__algorithm/find.h",
      "__algorithm/find_end.h",
      "__algorithm/find_first_of.h",
      "__algorithm/find_if.h",
      "__algorithm/find_if_not.h",
      "__algorithm/find_segment_if.h",
      "__algorithm/fold.h",
      "__algorithm/for_each.h",
      "__algorithm/for_each_n.h",
      "__algorithm/for_each_segment.h",
      "__algorithm/generate.h",
      "__algorithm/generate_n.h",
      "__algorithm/half_positive.h",
      "__algorithm/in_found_result.h",
      "__algorithm/in_fun_result.h",
      "__algorithm/in_in_out_result.h",
      "__algorithm/in_in_result.h",
      "__algorithm/in_out_out_result.h",
      "__algorithm/in_out_result.h",
      "__algorithm/includes.h",
      "__algorithm/inplace_merge.h",
      "__algorithm/is_heap.h",
      "__algorithm/is_heap_until.h",
      "__algorithm/is_partitioned.h",
      "__algorithm/is_permutation.h",
      "__algorithm/is_sorted.h",
      "__algorithm/is_sorted_until.h",
      "__algorithm/iter_swap.h",
      "__algorithm/iterator_operations.h",
      "__algorithm/lexicographical_compare.h",
      "__algorithm/lexicographical_compare_three_way.h",
      "__algorithm/lower_bound.h",
      "__algorithm/make_heap.h",
      "__algorithm/make_projected.h",
      "__algorithm/max.h",
      "__algorithm/max_element.h",
      "__algorithm/merge.h",
      "__algorithm/min.h",
      "__algorithm/min_element.h",
      "__algorithm/min_max_result.h",
      "__algorithm/minmax.h",
      "__algorithm/minmax_element.h",
      "__algorithm/mismatch.h",
      "__algorithm/move.h",
      "__algorithm/move_backward.h",
      "__algorithm/next_permutation.h",
      "__algorithm/none_of.h",
      "__algorithm/nth_element.h",
      "__algorithm/partial_sort.h",
      "__algorithm/partial_sort_copy.h",
      "__algorithm/partition.h",
      "__algorithm/partition_copy.h",
      "__algorithm/partition_point.h",
      "__algorithm/pop_heap.h",
      "__algorithm/prev_permutation.h",
      "__algorithm/pstl_any_all_none_of.h",
      "__algorithm/pstl_backends/cpu_backends/any_of.h",
      "__algorithm/pstl_backends/cpu_backends/fill.h",
      "__algorithm/pstl_backends/cpu_backends/find_if.h",
      "__algorithm/pstl_backends/cpu_backends/for_each.h",
      "__algorithm/pstl_backends/cpu_backends/merge.h",
      "__algorithm/pstl_backends/cpu_backends/stable_sort.h",
      "__algorithm/pstl_backends/cpu_backends/transform.h",
      "__algorithm/pstl_backends/cpu_backends/transform_reduce.h",
      "__algorithm/pstl_copy.h",
      "__algorithm/pstl_count.h",
      "__algorithm/pstl_equal.h",
      "__algorithm/pstl_fill.h",
      "__algorithm/pstl_find.h",
      "__algorithm/pstl_for_each.h",
      "__algorithm/pstl_frontend_dispatch.h",
      "__algorithm/pstl_generate.h",
      "__algorithm/pstl_is_partitioned.h",
      "__algorithm/pstl_merge.h",
      "__algorithm/pstl_move.h",
      "__algorithm/pstl_replace.h",
      "__algorithm/pstl_rotate_copy.h",
      "__algorithm/pstl_sort.h",
      "__algorithm/pstl_stable_sort.h",
      "__algorithm/pstl_transform.h",
      "__algorithm/push_heap.h",
      "__algorithm/ranges_adjacent_find.h",
      "__algorithm/ranges_all_of.h",
      "__algorithm/ranges_any_of.h",
      "__algorithm/ranges_binary_search.h",
      "__algorithm/ranges_clamp.h",
      "__algorithm/ranges_contains.h",
      "__algorithm/ranges_contains_subrange.h",
      "__algorithm/ranges_copy.h",
      "__algorithm/ranges_copy_backward.h",
      "__algorithm/ranges_copy_if.h",
      "__algorithm/ranges_copy_n.h",
      "__algorithm/ranges_count.h",
      "__algorithm/ranges_count_if.h",
      "__algorithm/ranges_ends_with.h",
      "__algorithm/ranges_equal.h",
      "__algorithm/ranges_equal_range.h",
      "__algorithm/ranges_fill.h",
      "__algorithm/ranges_fill_n.h",
      "__algorithm/ranges_find.h",
      "__algorithm/ranges_find_end.h",
      "__algorithm/ranges_find_first_of.h",
      "__algorithm/ranges_find_if.h",
      "__algorithm/ranges_find_if_not.h",
      "__algorithm/ranges_for_each.h",
      "__algorithm/ranges_for_each_n.h",
      "__algorithm/ranges_generate.h",
      "__algorithm/ranges_generate_n.h",
      "__algorithm/ranges_includes.h",
      "__algorithm/ranges_inplace_merge.h",
      "__algorithm/ranges_is_heap.h",
      "__algorithm/ranges_is_heap_until.h",
      "__algorithm/ranges_is_partitioned.h",
      "__algorithm/ranges_is_permutation.h",
      "__algorithm/ranges_is_sorted.h",
      "__algorithm/ranges_is_sorted_until.h",
      "__algorithm/ranges_iterator_concept.h",
      "__algorithm/ranges_lexicographical_compare.h",
      "__algorithm/ranges_lower_bound.h",
      "__algorithm/ranges_make_heap.h",
      "__algorithm/ranges_max.h",
      "__algorithm/ranges_max_element.h",
      "__algorithm/ranges_merge.h",
      "__algorithm/ranges_min.h",
      "__algorithm/ranges_min_element.h",
      "__algorithm/ranges_minmax.h",
      "__algorithm/ranges_minmax_element.h",
      "__algorithm/ranges_mismatch.h",
      "__algorithm/ranges_move.h",
      "__algorithm/ranges_move_backward.h",
      "__algorithm/ranges_next_permutation.h",
      "__algorithm/ranges_none_of.h",
      "__algorithm/ranges_nth_element.h",
      "__algorithm/ranges_partial_sort.h",
      "__algorithm/ranges_partial_sort_copy.h",
      "__algorithm/ranges_partition.h",
      "__algorithm/ranges_partition_copy.h",
      "__algorithm/ranges_partition_point.h",
      "__algorithm/ranges_pop_heap.h",
      "__algorithm/ranges_prev_permutation.h",
      "__algorithm/ranges_push_heap.h",
      "__algorithm/ranges_remove.h",
      "__algorithm/ranges_remove_copy.h",
      "__algorithm/ranges_remove_copy_if.h",
      "__algorithm/ranges_remove_if.h",
      "__algorithm/ranges_replace.h",
      "__algorithm/ranges_replace_copy.h",
      "__algorithm/ranges_replace_copy_if.h",
      "__algorithm/ranges_replace_if.h",
      "__algorithm/ranges_reverse.h",
      "__algorithm/ranges_reverse_copy.h",
      "__algorithm/ranges_rotate.h",
      "__algorithm/ranges_rotate_copy.h",
      "__algorithm/ranges_sample.h",
      "__algorithm/ranges_search.h",
      "__algorithm/ranges_search_n.h",
      "__algorithm/ranges_set_difference.h",
      "__algorithm/ranges_set_intersection.h",
      "__algorithm/ranges_set_symmetric_difference.h",
      "__algorithm/ranges_set_union.h",
      "__algorithm/ranges_shuffle.h",
      "__algorithm/ranges_sort.h",
      "__algorithm/ranges_sort_heap.h",
      "__algorithm/ranges_stable_partition.h",
      "__algorithm/ranges_stable_sort.h",
      "__algorithm/ranges_starts_with.h",
      "__algorithm/ranges_swap_ranges.h",
      "__algorithm/ranges_transform.h",
      "__algorithm/ranges_unique.h",
      "__algorithm/ranges_unique_copy.h",
      "__algorithm/ranges_upper_bound.h",
      "__algorithm/remove.h",
      "__algorithm/remove_copy.h",
      "__algorithm/remove_copy_if.h",
      "__algorithm/remove_if.h",
      "__algorithm/replace.h",
      "__algorithm/replace_copy.h",
      "__algorithm/replace_copy_if.h",
      "__algorithm/replace_if.h",
      "__algorithm/reverse.h",
      "__algorithm/reverse_copy.h",
      "__algorithm/rotate.h",
      "__algorithm/rotate_copy.h",
      "__algorithm/sample.h",
      "__algorithm/search.h",
      "__algorithm/search_n.h",
      "__algorithm/set_difference.h",
      "__algorithm/set_intersection.h",
      "__algorithm/set_symmetric_difference.h",
      "__algorithm/set_union.h",
      "__algorithm/shift_left.h",
      "__algorithm/shift_right.h",
      "__algorithm/shuffle.h",
      "__algorithm/sift_down.h",
      "__algorithm/simd_utils.h",
      "__algorithm/sort.h",
      "__algorithm/sort_heap.h",
      "__algorithm/stable_partition.h",
      "__algorithm/stable_sort.h",
      "__algorithm/swap_ranges.h",
      "__algorithm/three_way_comp_ref_type.h",
      "__algorithm/transform.h",
      "__algorithm/uniform_random_bit_generator_adaptor.h",
      "__algorithm/unique.h",
      "__algorithm/unique_copy.h",
      "__algorithm/unwrap_iter.h",
      "__algorithm/unwrap_range.h",
      "__algorithm/upper_bound.h",
      "__assert",
      "__atomic/aliases.h",
      "__atomic/atomic.h",
      "__atomic/atomic_base.h",
      "__atomic/atomic_flag.h",
      "__atomic/atomic_init.h",
      "__atomic/atomic_lock_free.h",
      "__atomic/atomic_sync.h",
      "__atomic/check_memory_order.h",
      "__atomic/contention_t.h",
      "__atomic/cxx_atomic_impl.h",
      "__atomic/fence.h",
      "__atomic/is_always_lock_free.h",
      "__atomic/kill_dependency.h",
      "__atomic/memory_order.h",
      "__availability",
      "__bit/bit_cast.h",
      "__bit/bit_ceil.h",
      "__bit/bit_floor.h",
      "__bit/bit_log2.h",
      "__bit/bit_width.h",
      "__bit/blsr.h",
      "__bit/byteswap.h",
      "__bit/countl.h",
      "__bit/countr.h",
      "__bit/endian.h",
      "__bit/has_single_bit.h",
      "__bit/invert_if.h",
      "__bit/popcount.h",
      "__bit/rotate.h",
      "__bit_reference",
      "__charconv/chars_format.h",
      "__charconv/from_chars_integral.h",
      "__charconv/from_chars_result.h",
      "__charconv/tables.h",
      "__charconv/to_chars.h",
      "__charconv/to_chars_base_10.h",
      "__charconv/to_chars_floating_point.h",
      "__charconv/to_chars_integral.h",
      "__charconv/to_chars_result.h",
      "__charconv/traits.h",
      "__chrono/calendar.h",
      "__chrono/concepts.h",
      "__chrono/convert_to_timespec.h",
      "__chrono/convert_to_tm.h",
      "__chrono/day.h",
      "__chrono/duration.h",
      "__chrono/file_clock.h",
      "__chrono/formatter.h",
      "__chrono/hh_mm_ss.h",
      "__chrono/high_resolution_clock.h",
      "__chrono/leap_second.h",
      "__chrono/literals.h",
      "__chrono/month.h",
      "__chrono/month_weekday.h",
      "__chrono/monthday.h",
      "__chrono/ostream.h",
      "__chrono/parser_std_format_spec.h",
      "__chrono/statically_widen.h",
      "__chrono/steady_clock.h",
      "__chrono/sys_info.h",
      "__chrono/system_clock.h",
      "__chrono/time_point.h",
      "__chrono/time_zone.h",
      "__chrono/time_zone_link.h",
      "__chrono/tzdb.h",
      "__chrono/tzdb_list.h",
      "__chrono/weekday.h",
      "__chrono/year.h",
      "__chrono/year_month.h",
      "__chrono/year_month_day.h",
      "__chrono/year_month_weekday.h",
      "__compare/common_comparison_category.h",
      "__compare/compare_partial_order_fallback.h",
      "__compare/compare_strong_order_fallback.h",
      "__compare/compare_three_way.h",
      "__compare/compare_three_way_result.h",
      "__compare/compare_weak_order_fallback.h",
      "__compare/is_eq.h",
      "__compare/ordering.h",
      "__compare/partial_order.h",
      "__compare/strong_order.h",
      "__compare/synth_three_way.h",
      "__compare/three_way_comparable.h",
      "__compare/weak_order.h",
      "__concepts/arithmetic.h",
      "__concepts/assignable.h",
      "__concepts/boolean_testable.h",
      "__concepts/class_or_enum.h",
      "__concepts/common_reference_with.h",
      "__concepts/common_with.h",
      "__concepts/constructible.h",
      "__concepts/convertible_to.h",
      "__concepts/copyable.h",
      "__concepts/derived_from.h",
      "__concepts/destructible.h",
      "__concepts/different_from.h",
      "__concepts/equality_comparable.h",
      "__concepts/invocable.h",
      "__concepts/movable.h",
      "__concepts/predicate.h",
      "__concepts/regular.h",
      "__concepts/relation.h",
      "__concepts/same_as.h",
      "__concepts/semiregular.h",
      "__concepts/swappable.h",
      "__concepts/totally_ordered.h",
      "__condition_variable/condition_variable.h",
      "__config",
      "__coroutine/coroutine_handle.h",
      "__coroutine/coroutine_traits.h",
      "__coroutine/noop_coroutine_handle.h",
      "__coroutine/trivial_awaitables.h",
      "__debug_utils/randomize_range.h",
      "__debug_utils/sanitizers.h",
      "__debug_utils/strict_weak_ordering_check.h",
      "__exception/exception.h",
      "__exception/exception_ptr.h",
      "__exception/nested_exception.h",
      "__exception/operations.h",
      "__exception/terminate.h",
      "__expected/bad_expected_access.h",
      "__expected/expected.h",
      "__expected/unexpect.h",
      "__expected/unexpected.h",
      "__filesystem/copy_options.h",
      "__filesystem/directory_entry.h",
      "__filesystem/directory_iterator.h",
      "__filesystem/directory_options.h",
      "__filesystem/file_status.h",
      "__filesystem/file_time_type.h",
      "__filesystem/file_type.h",
      "__filesystem/filesystem_error.h",
      "__filesystem/operations.h",
      "__filesystem/path.h",
      "__filesystem/path_iterator.h",
      "__filesystem/perm_options.h",
      "__filesystem/perms.h",
      "__filesystem/recursive_directory_iterator.h",
      "__filesystem/space_info.h",
      "__filesystem/u8path.h",
      "__format/buffer.h",
      "__format/concepts.h",
      "__format/container_adaptor.h",
      "__format/enable_insertable.h",
      "__format/escaped_output_table.h",
      "__format/extended_grapheme_cluster_table.h",
      "__format/format_arg.h",
      "__format/format_arg_store.h",
      "__format/format_args.h",
      "__format/format_context.h",
      "__format/format_error.h",
      "__format/format_functions.h",
      "__format/format_parse_context.h",
      "__format/format_string.h",
      "__format/format_to_n_result.h",
      "__format/formatter.h",
      "__format/formatter_bool.h",
      "__format/formatter_char.h",
      "__format/formatter_floating_point.h",
      "__format/formatter_integer.h",
      "__format/formatter_integral.h",
      "__format/formatter_output.h",
      "__format/formatter_pointer.h",
      "__format/formatter_string.h",
      "__format/formatter_tuple.h",
      "__format/indic_conjunct_break_table.h",
      "__format/parser_std_format_spec.h",
      "__format/range_default_formatter.h",
      "__format/range_formatter.h",
      "__format/unicode.h",
      "__format/width_estimation_table.h",
      "__format/write_escaped.h",
      "__functional/binary_function.h",
      "__functional/binary_negate.h",
      "__functional/bind.h",
      "__functional/bind_back.h",
      "__functional/bind_front.h",
      "__functional/binder1st.h",
      "__functional/binder2nd.h",
      "__functional/boyer_moore_searcher.h",
      "__functional/compose.h",
      "__functional/default_searcher.h",
      "__functional/function.h",
      "__functional/hash.h",
      "__functional/identity.h",
      "__functional/invoke.h",
      "__functional/is_transparent.h",
      "__functional/mem_fn.h",
      "__functional/mem_fun_ref.h",
      "__functional/not_fn.h",
      "__functional/operations.h",
      "__functional/perfect_forward.h",
      "__functional/pointer_to_binary_function.h",
      "__functional/pointer_to_unary_function.h",
      "__functional/ranges_operations.h",
      "__functional/reference_wrapper.h",
      "__functional/unary_function.h",
      "__functional/unary_negate.h",
      "__functional/weak_result_type.h",
      "__fwd/array.h",
      "__fwd/bit_reference.h",
      "__fwd/complex.h",
      "__fwd/deque.h",
      "__fwd/format.h",
      "__fwd/fstream.h",
      "__fwd/functional.h",
      "__fwd/ios.h",
      "__fwd/istream.h",
      "__fwd/mdspan.h",
      "__fwd/memory.h",
      "__fwd/memory_resource.h",
      "__fwd/ostream.h",
      "__fwd/pair.h",
      "__fwd/queue.h",
      "__fwd/span.h",
      "__fwd/sstream.h",
      "__fwd/stack.h",
      "__fwd/streambuf.h",
      "__fwd/string.h",
      "__fwd/string_view.h",
      "__fwd/subrange.h",
      "__fwd/tuple.h",
      "__fwd/vector.h",
      "__hash_table",
      "__ios/fpos.h",
      "__iterator/access.h",
      "__iterator/advance.h",
      "__iterator/back_insert_iterator.h",
      "__iterator/bounded_iter.h",
      "__iterator/common_iterator.h",
      "__iterator/concepts.h",
      "__iterator/counted_iterator.h",
      "__iterator/cpp17_iterator_concepts.h",
      "__iterator/data.h",
      "__iterator/default_sentinel.h",
      "__iterator/distance.h",
      "__iterator/empty.h",
      "__iterator/erase_if_container.h",
      "__iterator/front_insert_iterator.h",
      "__iterator/incrementable_traits.h",
      "__iterator/indirectly_comparable.h",
      "__iterator/insert_iterator.h",
      "__iterator/istream_iterator.h",
      "__iterator/istreambuf_iterator.h",
      "__iterator/iter_move.h",
      "__iterator/iter_swap.h",
      "__iterator/iterator.h",
      "__iterator/iterator_traits.h",
      "__iterator/iterator_with_data.h",
      "__iterator/mergeable.h",
      "__iterator/move_iterator.h",
      "__iterator/move_sentinel.h",
      "__iterator/next.h",
      "__iterator/ostream_iterator.h",
      "__iterator/ostreambuf_iterator.h",
      "__iterator/permutable.h",
      "__iterator/prev.h",
      "__iterator/projected.h",
      "__iterator/ranges_iterator_traits.h",
      "__iterator/readable_traits.h",
      "__iterator/reverse_access.h",
      "__iterator/reverse_iterator.h",
      "__iterator/segmented_iterator.h",
      "__iterator/size.h",
      "__iterator/sortable.h",
      "__iterator/unreachable_sentinel.h",
      "__iterator/wrap_iter.h",
      "__locale",
      "__locale_dir/locale_base_api.h",
      "__locale_dir/locale_base_api/android.h",
      "__locale_dir/locale_base_api/bsd_locale_defaults.h",
      "__locale_dir/locale_base_api/bsd_locale_fallbacks.h",
      "__locale_dir/locale_base_api/fuchsia.h",
      "__locale_dir/locale_base_api/ibm.h",
      "__locale_dir/locale_base_api/locale_guard.h",
      "__locale_dir/locale_base_api/musl.h",
      "__locale_dir/locale_base_api/newlib.h",
      "__locale_dir/locale_base_api/openbsd.h",
      "__locale_dir/locale_base_api/win32.h",
      "__math/abs.h",
      "__math/copysign.h",
      "__math/error_functions.h",
      "__math/exponential_functions.h",
      "__math/fdim.h",
      "__math/fma.h",
      "__math/gamma.h",
      "__math/hyperbolic_functions.h",
      "__math/hypot.h",
      "__math/inverse_hyperbolic_functions.h",
      "__math/inverse_trigonometric_functions.h",
      "__math/logarithms.h",
      "__math/min_max.h",
      "__math/modulo.h",
      "__math/remainder.h",
      "__math/roots.h",
      "__math/rounding_functions.h",
      "__math/traits.h",
      "__math/trigonometric_functions.h",
      "__mbstate_t.h",
      "__mdspan/default_accessor.h",
      "__mdspan/extents.h",
      "__mdspan/layout_left.h",
      "__mdspan/layout_right.h",
      "__mdspan/layout_stride.h",
      "__mdspan/mdspan.h",
      "__memory/addressof.h",
      "__memory/align.h",
      "__memory/aligned_alloc.h",
      "__memory/allocate_at_least.h",
      "__memory/allocation_guard.h",
      "__memory/allocator.h",
      "__memory/allocator_arg_t.h",
      "__memory/allocator_destructor.h",
      "__memory/allocator_traits.h",
      "__memory/assume_aligned.h",
      "__memory/auto_ptr.h",
      "__memory/builtin_new_allocator.h",
      "__memory/compressed_pair.h",
      "__memory/concepts.h",
      "__memory/construct_at.h",
      "__memory/destruct_n.h",
      "__memory/pointer_traits.h",
      "__memory/ranges_construct_at.h",
      "__memory/ranges_uninitialized_algorithms.h",
      "__memory/raw_storage_iterator.h",
      "__memory/shared_ptr.h",
      "__memory/swap_allocator.h",
      "__memory/temp_value.h",
      "__memory/temporary_buffer.h",
      "__memory/uninitialized_algorithms.h",
      "__memory/unique_ptr.h",
      "__memory/uses_allocator.h",
      "__memory/uses_allocator_construction.h",
      "__memory/voidify.h",
      "__memory_resource/memory_resource.h",
      "__memory_resource/monotonic_buffer_resource.h",
      "__memory_resource/polymorphic_allocator.h",
      "__memory_resource/pool_options.h",
      "__memory_resource/synchronized_pool_resource.h",
      "__memory_resource/unsynchronized_pool_resource.h",
      "__mutex/lock_guard.h",
      "__mutex/mutex.h",
      "__mutex/once_flag.h",
      "__mutex/tag_types.h",
      "__mutex/unique_lock.h",
      "__node_handle",
      "__numeric/accumulate.h",
      "__numeric/adjacent_difference.h",
      "__numeric/exclusive_scan.h",
      "__numeric/gcd_lcm.h",
      "__numeric/inclusive_scan.h",
      "__numeric/inner_product.h",
      "__numeric/iota.h",
      "__numeric/midpoint.h",
      "__numeric/partial_sum.h",
      "__numeric/pstl_reduce.h",
      "__numeric/pstl_transform_reduce.h",
      "__numeric/reduce.h",
      "__numeric/saturation_arithmetic.h",
      "__numeric/transform_exclusive_scan.h",
      "__numeric/transform_inclusive_scan.h",
      "__numeric/transform_reduce.h",
      "__pstl/backends/libdispatch.h",
      "__pstl/backends/serial.h",
      "__pstl/backends/std_thread.h",
      "__pstl/configuration.h",
      "__pstl/configuration_fwd.h",
      "__pstl/cpu_algos/cpu_traits.h",
      "__random/bernoulli_distribution.h",
      "__random/binomial_distribution.h",
      "__random/cauchy_distribution.h",
      "__random/chi_squared_distribution.h",
      "__random/clamp_to_integral.h",
      "__random/default_random_engine.h",
      "__random/discard_block_engine.h",
      "__random/discrete_distribution.h",
      "__random/exponential_distribution.h",
      "__random/extreme_value_distribution.h",
      "__random/fisher_f_distribution.h",
      "__random/gamma_distribution.h",
      "__random/generate_canonical.h",
      "__random/geometric_distribution.h",
      "__random/independent_bits_engine.h",
      "__random/is_seed_sequence.h",
      "__random/is_valid.h",
      "__random/knuth_b.h",
      "__random/linear_congruential_engine.h",
      "__random/log2.h",
      "__random/lognormal_distribution.h",
      "__random/mersenne_twister_engine.h",
      "__random/negative_binomial_distribution.h",
      "__random/normal_distribution.h",
      "__random/piecewise_constant_distribution.h",
      "__random/piecewise_linear_distribution.h",
      "__random/poisson_distribution.h",
      "__random/random_device.h",
      "__random/ranlux.h",
      "__random/seed_seq.h",
      "__random/shuffle_order_engine.h",
      "__random/student_t_distribution.h",
      "__random/subtract_with_carry_engine.h",
      "__random/uniform_int_distribution.h",
      "__random/uniform_random_bit_generator.h",
      "__random/uniform_real_distribution.h",
      "__random/weibull_distribution.h",
      "__ranges/access.h",
      "__ranges/all.h",
      "__ranges/as_rvalue_view.h",
      "__ranges/chunk_by_view.h",
      "__ranges/common_view.h",
      "__ranges/concepts.h",
      "__ranges/container_compatible_range.h",
      "__ranges/counted.h",
      "__ranges/dangling.h",
      "__ranges/data.h",
      "__ranges/drop_view.h",
      "__ranges/drop_while_view.h",
      "__ranges/elements_view.h",
      "__ranges/empty.h",
      "__ranges/empty_view.h",
      "__ranges/enable_borrowed_range.h",
      "__ranges/enable_view.h",
      "__ranges/filter_view.h",
      "__ranges/from_range.h",
      "__ranges/iota_view.h",
      "__ranges/istream_view.h",
      "__ranges/join_view.h",
      "__ranges/lazy_split_view.h",
      "__ranges/movable_box.h",
      "__ranges/non_propagating_cache.h",
      "__ranges/owning_view.h",
      "__ranges/range_adaptor.h",
      "__ranges/rbegin.h",
      "__ranges/ref_view.h",
      "__ranges/rend.h",
      "__ranges/repeat_view.h",
      "__ranges/reverse_view.h",
      "__ranges/single_view.h",
      "__ranges/size.h",
      "__ranges/split_view.h",
      "__ranges/subrange.h",
      "__ranges/take_view.h",
      "__ranges/take_while_view.h",
      "__ranges/to.h",
      "__ranges/transform_view.h",
      "__ranges/view_interface.h",
      "__ranges/views.h",
      "__ranges/zip_view.h",
      "__split_buffer",
      "__std_mbstate_t.h",
      "__stop_token/atomic_unique_lock.h",
      "__stop_token/intrusive_list_view.h",
      "__stop_token/intrusive_shared_ptr.h",
      "__stop_token/stop_callback.h",
      "__stop_token/stop_source.h",
      "__stop_token/stop_state.h",
      "__stop_token/stop_token.h",
      "__string/char_traits.h",
      "__string/constexpr_c_functions.h",
      "__string/extern_template_lists.h",
      "__support/ibm/gettod_zos.h",
      "__support/ibm/locale_mgmt_zos.h",
      "__support/ibm/nanosleep.h",
      "__support/xlocale/__nop_locale_mgmt.h",
      "__support/xlocale/__posix_l_fallback.h",
      "__support/xlocale/__strtonum_fallback.h",
      "__system_error/errc.h",
      "__system_error/error_category.h",
      "__system_error/error_code.h",
      "__system_error/error_condition.h",
      "__system_error/system_error.h",
      "__thread/formatter.h",
      "__thread/id.h",
      "__thread/jthread.h",
      "__thread/poll_with_backoff.h",
      "__thread/support.h",
      "__thread/support/c11.h",
      "__thread/support/external.h",
      "__thread/support/pthread.h",
      "__thread/support/windows.h",
      "__thread/this_thread.h",
      "__thread/thread.h",
      "__thread/timed_backoff_policy.h",
      "__tree",
      "__tuple/find_index.h",
      "__tuple/make_tuple_types.h",
      "__tuple/sfinae_helpers.h",
      "__tuple/tuple_element.h",
      "__tuple/tuple_indices.h",
      "__tuple/tuple_like.h",
      "__tuple/tuple_like_ext.h",
      "__tuple/tuple_like_no_subrange.h",
      "__tuple/tuple_size.h",
      "__tuple/tuple_types.h",
      "__type_traits/add_const.h",
      "__type_traits/add_cv.h",
      "__type_traits/add_lvalue_reference.h",
      "__type_traits/add_pointer.h",
      "__type_traits/add_rvalue_reference.h",
      "__type_traits/add_volatile.h",
      "__type_traits/aligned_storage.h",
      "__type_traits/aligned_union.h",
      "__type_traits/alignment_of.h",
      "__type_traits/apply_cv.h",
      "__type_traits/can_extract_key.h",
      "__type_traits/common_reference.h",
      "__type_traits/common_type.h",
      "__type_traits/conditional.h",
      "__type_traits/conjunction.h",
      "__type_traits/copy_cv.h",
      "__type_traits/copy_cvref.h",
      "__type_traits/datasizeof.h",
      "__type_traits/decay.h",
      "__type_traits/dependent_type.h",
      "__type_traits/desugars_to.h",
      "__type_traits/disjunction.h",
      "__type_traits/enable_if.h",
      "__type_traits/extent.h",
      "__type_traits/has_unique_object_representation.h",
      "__type_traits/has_virtual_destructor.h",
      "__type_traits/integral_constant.h",
      "__type_traits/invoke.h",
      "__type_traits/is_abstract.h",
      "__type_traits/is_aggregate.h",
      "__type_traits/is_allocator.h",
      "__type_traits/is_always_bitcastable.h",
      "__type_traits/is_arithmetic.h",
      "__type_traits/is_array.h",
      "__type_traits/is_assignable.h",
      "__type_traits/is_base_of.h",
      "__type_traits/is_bounded_array.h",
      "__type_traits/is_callable.h",
      "__type_traits/is_char_like_type.h",
      "__type_traits/is_class.h",
      "__type_traits/is_compound.h",
      "__type_traits/is_const.h",
      "__type_traits/is_constant_evaluated.h",
      "__type_traits/is_constructible.h",
      "__type_traits/is_convertible.h",
      "__type_traits/is_core_convertible.h",
      "__type_traits/is_destructible.h",
      "__type_traits/is_empty.h",
      "__type_traits/is_enum.h",
      "__type_traits/is_equality_comparable.h",
      "__type_traits/is_execution_policy.h",
      "__type_traits/is_final.h",
      "__type_traits/is_floating_point.h",
      "__type_traits/is_function.h",
      "__type_traits/is_fundamental.h",
      "__type_traits/is_implicitly_default_constructible.h",
      "__type_traits/is_integral.h",
      "__type_traits/is_literal_type.h",
      "__type_traits/is_member_function_pointer.h",
      "__type_traits/is_member_object_pointer.h",
      "__type_traits/is_member_pointer.h",
      "__type_traits/is_nothrow_assignable.h",
      "__type_traits/is_nothrow_constructible.h",
      "__type_traits/is_nothrow_convertible.h",
      "__type_traits/is_nothrow_destructible.h",
      "__type_traits/is_null_pointer.h",
      "__type_traits/is_object.h",
      "__type_traits/is_pod.h",
      "__type_traits/is_pointer.h",
      "__type_traits/is_polymorphic.h",
      "__type_traits/is_primary_template.h",
      "__type_traits/is_reference.h",
      "__type_traits/is_reference_wrapper.h",
      "__type_traits/is_referenceable.h",
      "__type_traits/is_same.h",
      "__type_traits/is_scalar.h",
      "__type_traits/is_scoped_enum.h",
      "__type_traits/is_signed.h",
      "__type_traits/is_signed_integer.h",
      "__type_traits/is_specialization.h",
      "__type_traits/is_standard_layout.h",
      "__type_traits/is_swappable.h",
      "__type_traits/is_trivial.h",
      "__type_traits/is_trivially_assignable.h",
      "__type_traits/is_trivially_constructible.h",
      "__type_traits/is_trivially_copyable.h",
      "__type_traits/is_trivially_destructible.h",
      "__type_traits/is_trivially_lexicographically_comparable.h",
      "__type_traits/is_trivially_relocatable.h",
      "__type_traits/is_unbounded_array.h",
      "__type_traits/is_union.h",
      "__type_traits/is_unsigned.h",
      "__type_traits/is_unsigned_integer.h",
      "__type_traits/is_valid_expansion.h",
      "__type_traits/is_void.h",
      "__type_traits/is_volatile.h",
      "__type_traits/lazy.h",
      "__type_traits/make_32_64_or_128_bit.h",
      "__type_traits/make_const_lvalue_ref.h",
      "__type_traits/make_signed.h",
      "__type_traits/make_unsigned.h",
      "__type_traits/maybe_const.h",
      "__type_traits/nat.h",
      "__type_traits/negation.h",
      "__type_traits/noexcept_move_assign_container.h",
      "__type_traits/promote.h",
      "__type_traits/rank.h",
      "__type_traits/remove_all_extents.h",
      "__type_traits/remove_const.h",
      "__type_traits/remove_const_ref.h",
      "__type_traits/remove_cv.h",
      "__type_traits/remove_cvref.h",
      "__type_traits/remove_extent.h",
      "__type_traits/remove_pointer.h",
      "__type_traits/remove_reference.h",
      "__type_traits/remove_volatile.h",
      "__type_traits/result_of.h",
      "__type_traits/strip_signature.h",
      "__type_traits/type_identity.h",
      "__type_traits/type_list.h",
      "__type_traits/underlying_type.h",
      "__type_traits/unwrap_ref.h",
      "__type_traits/void_t.h",
      "__undef_macros",
      "__utility/as_const.h",
      "__utility/as_lvalue.h",
      "__utility/auto_cast.h",
      "__utility/cmp.h",
      "__utility/convert_to_integral.h",
      "__utility/declval.h",
      "__utility/empty.h",
      "__utility/exception_guard.h",
      "__utility/exchange.h",
      "__utility/forward.h",
      "__utility/forward_like.h",
      "__utility/in_place.h",
      "__utility/integer_sequence.h",
      "__utility/is_pointer_in_range.h",
      "__utility/is_valid_range.h",
      "__utility/move.h",
      "__utility/no_destroy.h",
      "__utility/pair.h",
      "__utility/piecewise_construct.h",
      "__utility/priority_tag.h",
      "__utility/private_constructor_tag.h",
      "__utility/rel_ops.h",
      "__utility/small_buffer.h",
      "__utility/swap.h",
      "__utility/to_underlying.h",
      "__utility/unreachable.h",
      "__variant/monostate.h",
      "__verbose_abort",
      "algorithm",
      "any",
      "array",
      "atomic",
      "barrier",
      "bit",
      "bitset",
      "cassert",
      "ccomplex",
      "cctype",
      "cerrno",
      "cfenv",
      "cfloat",
      "charconv",
      "chrono",
      "cinttypes",
      "ciso646",
      "climits",
      "clocale",
      "cmath",
      "codecvt",
      "compare",
      "complex",
      "complex.h",
      "concepts",
      "condition_variable",
      "coroutine",
      "csetjmp",
      "csignal",
      "cstdarg",
      "cstdbool",
      "cstddef",
      "cstdint",
      "cstdio",
      "cstdlib",
      "cstring",
      "ctgmath",
      "ctime",
      "ctype.h",
      "cuchar",
      "cwchar",
      "cwctype",
      "deque",
      "errno.h",
      "exception",
      "execution",
      "expected",
      "experimental/__config",
      "experimental/__simd/aligned_tag.h",
      "experimental/__simd/declaration.h",
      "experimental/__simd/reference.h",
      "experimental/__simd/scalar.h",
      "experimental/__simd/simd.h",
      "experimental/__simd/simd_mask.h",
      "experimental/__simd/traits.h",
      "experimental/__simd/utility.h",
      "experimental/__simd/vec_ext.h",
      "experimental/iterator",
      "experimental/memory",
      "experimental/propagate_const",
      "experimental/simd",
      "experimental/type_traits",
      "experimental/utility",
      "ext/__hash",
      "ext/hash_map",
      "ext/hash_set",
      "fenv.h",
      "filesystem",
      "float.h",
      "format",
      "forward_list",
      "fstream",
      "functional",
      "future",
      "initializer_list",
      "inttypes.h",
      "iomanip",
      "ios",
      "iosfwd",
      "iostream",
      "istream",
      "iterator",
      "latch",
      "limits",
      "list",
      "locale",
      "locale.h",
      "map",
      "math.h",
      "mdspan",
      "memory",
      "memory_resource",
      "module.modulemap",
      "mutex",
      "new",
      "numbers",
      "numeric",
      "optional",
      "ostream",
      "print",
      "queue",
      "random",
      "ranges",
      "ratio",
      "regex",
      "scoped_allocator",
      "semaphore",
      "set",
      "shared_mutex",
      "source_location",
      "span",
      "sstream",
      "stack",
      "stdatomic.h",
      "stdbool.h",
      "stddef.h",
      "stdexcept",
      "stdint.h",
      "stdio.h",
      "stdlib.h",
      "stop_token",
      "streambuf",
      "string",
      "string.h",
      "string_view",
      "strstream",
      "syncstream",
      "system_error",
      "tgmath.h",
      "thread",
      "tuple",
      "type_traits",
      "typeindex",
      "typeinfo",
      "uchar.h",
      "unordered_map",
      "unordered_set",
      "utility",
      "valarray",
      "variant",
      "vector",
      "version",
      "wchar.h",
      "wctype.h",
    ]
    deps = [
      ":write_assertion_handler",
      ":write_config_site",
    ]
    if (target_os != "mac" && target_os != "win") {
      # libcxx/cmake/Modules/HandleLibCXXABI.cmake sets
      # LIBCXX_CXX_ABI_HEADER_TARGET if the libcxx abi library either of
      # "libstdc++", "libsupc++", "libcxxabi", "libcxxrt", but not if it's "none",
      # "default", or "vcruntime". So on Windows, these don't get copied due to
      # LIBCXX_CXX_ABI_HEADER_TARGET not being set.
      # On macOS, libcxx/CMakeLists.txt sets LIBCXX_CXX_ABI_SYSTEM to 1, which
      # causes an empty header list to be passed to setup_abi_lib, so these
      # don't get copied on macOS due to that.
      deps += [ "//libcxxabi/include" ]
    }
    outputs = [ "$root_build_dir/include/c++/v1/{{source_target_relative}}" ]
  }
}

config("include_config") {
  include_dirs = [ libcxx_generated_include_dir ]
}

group("include") {
  deps = [ ":copy_headers($default_toolchain)" ]
  public_configs = [ ":include_config" ]
}