1 files changed, 1416 insertions, 0 deletions

diff --git a/lib/libc++/Makefile b/lib/libc++/Makefile
new file mode 100644
index 000000000000..9c12f419f6f1
--- /dev/null
+++ b/lib/libc++/Makefile
@@ -0,0 +1,1416 @@
+SHLIBDIR?=	/lib
+
+.include <src.opts.mk>
+
+PACKAGE=	clibs
+_LIBCXXRTDIR=	${SRCTOP}/contrib/libcxxrt
+HDRDIR=		${SRCTOP}/contrib/llvm-project/libcxx/include
+SRCDIR=		${SRCTOP}/contrib/llvm-project/libcxx/src
+CXXINCLUDEDIR=	${INCLUDEDIR}/c++/v${SHLIB_MAJOR}
+
+.PATH: ${SRCDIR}
+
+LIB=		c++
+SHLIB_MAJOR=	1
+SHLIB_LDSCRIPT=	libc++.ldscript
+
+SRCS+=		algorithm.cpp
+SRCS+=		any.cpp
+SRCS+=		atomic.cpp
+SRCS+=		barrier.cpp
+SRCS+=		bind.cpp
+SRCS+=		call_once.cpp
+SRCS+=		charconv.cpp
+SRCS+=		chrono.cpp
+SRCS+=		condition_variable.cpp
+SRCS+=		condition_variable_destructor.cpp
+SRCS+=		error_category.cpp
+SRCS+=		exception.cpp
+SRCS+=		expected.cpp
+SRCS+=		filesystem/directory_entry.cpp
+SRCS+=		filesystem/directory_iterator.cpp
+SRCS+=		filesystem/filesystem_clock.cpp
+SRCS+=		filesystem/filesystem_error.cpp
+SRCS+=		filesystem/int128_builtins.cpp
+SRCS+=		filesystem/operations.cpp
+SRCS+=		filesystem/path.cpp
+SRCS+=		fstream.cpp
+SRCS+=		functional.cpp
+SRCS+=		future.cpp
+SRCS+=		hash.cpp
+SRCS+=		ios.cpp
+SRCS+=		ios.instantiations.cpp
+SRCS+=		iostream.cpp
+SRCS+=		legacy_pointer_safety.cpp
+SRCS+=		locale.cpp
+SRCS+=		memory.cpp
+SRCS+=		memory_resource.cpp
+SRCS+=		mutex.cpp
+SRCS+=		mutex_destructor.cpp
+SRCS+=		new.cpp
+SRCS+=		new_handler.cpp
+SRCS+=		new_helpers.cpp
+SRCS+=		optional.cpp
+SRCS+=		ostream.cpp
+SRCS+=		print.cpp
+SRCS+=		random.cpp
+SRCS+=		random_shuffle.cpp
+SRCS+=		regex.cpp
+SRCS+=		ryu/d2fixed.cpp
+SRCS+=		ryu/d2s.cpp
+SRCS+=		ryu/f2s.cpp
+SRCS+=		shared_mutex.cpp
+SRCS+=		stdexcept.cpp
+SRCS+=		string.cpp
+SRCS+=		strstream.cpp
+SRCS+=		system_error.cpp
+SRCS+=		thread.cpp
+SRCS+=		typeinfo.cpp
+SRCS+=		valarray.cpp
+SRCS+=		variant.cpp
+SRCS+=		vector.cpp
+SRCS+=		verbose_abort.cpp
+
+CXXRT_SRCS+=	auxhelper.cc
+CXXRT_SRCS+=	dynamic_cast.cc
+CXXRT_SRCS+=	exception.cc
+CXXRT_SRCS+=	guard.cc
+CXXRT_SRCS+=	libelftc_dem_gnu3.c
+CXXRT_SRCS+=	memory.cc
+CXXRT_SRCS+=	stdexcept.cc
+CXXRT_SRCS+=	terminate.cc
+CXXRT_SRCS+=	typeinfo.cc
+
+.for _S in ${CXXRT_SRCS}
+CLEANFILES+=	cxxrt_${_S}
+STATICOBJS+=	cxxrt_${_S:R}.o
+cxxrt_${_S}: ${_LIBCXXRTDIR}/${_S} .NOMETA
+	ln -sf ${.ALLSRC} ${.TARGET}
+.endfor
+
+WARNS?=		0
+CFLAGS+=	-isystem ${SRCDIR}
+CFLAGS+=	-isystem ${.CURDIR}
+CFLAGS+=	-isystem ${HDRDIR}
+CFLAGS+=	-isystem ${_LIBCXXRTDIR}
+CFLAGS+=	-nostdinc++
+CFLAGS+=	-nostdlib
+CFLAGS+=	-D_LIBCPP_BUILDING_LIBRARY
+CFLAGS+=	-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
+CFLAGS+=	-D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES
+CFLAGS+=	-DLIBCXXRT
+CFLAGS+=	-fdata-sections
+CFLAGS+=	-ffunction-sections
+CFLAGS+=	-fno-semantic-interposition
+CFLAGS+=	-fvisibility-inlines-hidden
+CFLAGS+=	-fvisibility=hidden
+
+.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} < 130000
+# NOTE: gcc 12 cannot correctly compile all libc++'s C++23 code. To temporarily
+# support gcc 12, compile libc++ in C++20 mode, but this will leave out any
+# C++23 features.
+CXXSTD?=	c++20
+.else
+CXXSTD?=	c++23
+.endif
+
+LIBADD+=	cxxrt
+
+INCSGROUPS+=	STD
+STDDIR=		${CXXINCLUDEDIR}
+STD_HEADERS+=	__assert
+STD_HEADERS+=	__bit_reference
+STD_HEADERS+=	__config
+STD_HEADERS+=	__hash_table
+STD_HEADERS+=	__locale
+STD_HEADERS+=	__mbstate_t.h
+STD_HEADERS+=	__node_handle
+STD_HEADERS+=	__split_buffer
+STD_HEADERS+=	__std_clang_module
+STD_HEADERS+=	__std_mbstate_t.h
+STD_HEADERS+=	__tree
+STD_HEADERS+=	__undef_macros
+STD_HEADERS+=	__verbose_abort
+STD_HEADERS+=	algorithm
+STD_HEADERS+=	any
+STD_HEADERS+=	array
+STD_HEADERS+=	atomic
+STD_HEADERS+=	barrier
+STD_HEADERS+=	bit
+STD_HEADERS+=	bitset
+STD_HEADERS+=	cassert
+STD_HEADERS+=	ccomplex
+STD_HEADERS+=	cctype
+STD_HEADERS+=	cerrno
+STD_HEADERS+=	cfenv
+STD_HEADERS+=	cfloat
+STD_HEADERS+=	charconv
+STD_HEADERS+=	chrono
+STD_HEADERS+=	cinttypes
+STD_HEADERS+=	ciso646
+STD_HEADERS+=	climits
+STD_HEADERS+=	clocale
+STD_HEADERS+=	cmath
+STD_HEADERS+=	codecvt
+STD_HEADERS+=	compare
+STD_HEADERS+=	complex
+STD_HEADERS+=	complex.h
+STD_HEADERS+=	concepts
+STD_HEADERS+=	condition_variable
+STD_HEADERS+=	coroutine
+STD_HEADERS+=	csetjmp
+STD_HEADERS+=	csignal
+STD_HEADERS+=	cstdarg
+STD_HEADERS+=	cstdbool
+STD_HEADERS+=	cstddef
+STD_HEADERS+=	cstdint
+STD_HEADERS+=	cstdio
+STD_HEADERS+=	cstdlib
+STD_HEADERS+=	cstring
+STD_HEADERS+=	ctgmath
+STD_HEADERS+=	ctime
+STD_HEADERS+=	ctype.h
+STD_HEADERS+=	cuchar
+STD_HEADERS+=	cwchar
+STD_HEADERS+=	cwctype
+STD_HEADERS+=	deque
+STD_HEADERS+=	errno.h
+STD_HEADERS+=	exception
+STD_HEADERS+=	execution
+STD_HEADERS+=	expected
+STD_HEADERS+=	fenv.h
+STD_HEADERS+=	filesystem
+STD_HEADERS+=	float.h
+STD_HEADERS+=	format
+STD_HEADERS+=	forward_list
+STD_HEADERS+=	fstream
+STD_HEADERS+=	functional
+STD_HEADERS+=	future
+STD_HEADERS+=	initializer_list
+STD_HEADERS+=	inttypes.h
+STD_HEADERS+=	iomanip
+STD_HEADERS+=	ios
+STD_HEADERS+=	iosfwd
+STD_HEADERS+=	iostream
+STD_HEADERS+=	istream
+STD_HEADERS+=	iterator
+STD_HEADERS+=	latch
+STD_HEADERS+=	limits
+STD_HEADERS+=	list
+STD_HEADERS+=	locale
+STD_HEADERS+=	locale.h
+STD_HEADERS+=	map
+STD_HEADERS+=	math.h
+STD_HEADERS+=	mdspan
+STD_HEADERS+=	memory
+STD_HEADERS+=	memory_resource
+STD_HEADERS+=	module.modulemap
+STD_HEADERS+=	mutex
+STD_HEADERS+=	new
+STD_HEADERS+=	numbers
+STD_HEADERS+=	numeric
+STD_HEADERS+=	optional
+STD_HEADERS+=	ostream
+STD_HEADERS+=	print
+STD_HEADERS+=	queue
+STD_HEADERS+=	random
+STD_HEADERS+=	ranges
+STD_HEADERS+=	ratio
+STD_HEADERS+=	regex
+STD_HEADERS+=	scoped_allocator
+STD_HEADERS+=	semaphore
+STD_HEADERS+=	set
+STD_HEADERS+=	shared_mutex
+STD_HEADERS+=	source_location
+STD_HEADERS+=	span
+STD_HEADERS+=	sstream
+STD_HEADERS+=	stack
+STD_HEADERS+=	stdatomic.h
+STD_HEADERS+=	stdbool.h
+STD_HEADERS+=	stddef.h
+STD_HEADERS+=	stdexcept
+STD_HEADERS+=	stdint.h
+STD_HEADERS+=	stdio.h
+STD_HEADERS+=	stdlib.h
+STD_HEADERS+=	stop_token
+STD_HEADERS+=	streambuf
+STD_HEADERS+=	string
+STD_HEADERS+=	string.h
+STD_HEADERS+=	string_view
+STD_HEADERS+=	strstream
+STD_HEADERS+=	syncstream
+STD_HEADERS+=	system_error
+STD_HEADERS+=	tgmath.h
+STD_HEADERS+=	thread
+STD_HEADERS+=	tuple
+STD_HEADERS+=	type_traits
+STD_HEADERS+=	typeindex
+STD_HEADERS+=	typeinfo
+STD_HEADERS+=	uchar.h
+STD_HEADERS+=	unordered_map
+STD_HEADERS+=	unordered_set
+STD_HEADERS+=	utility
+STD_HEADERS+=	valarray
+STD_HEADERS+=	variant
+STD_HEADERS+=	vector
+STD_HEADERS+=	version
+STD_HEADERS+=	wchar.h
+STD_HEADERS+=	wctype.h
+.for hdr in ${STD_HEADERS}
+STD+=		${HDRDIR}/${hdr}
+.endfor
+
+# Generated by CMake as of libc++ 18.
+STD+=		${.CURDIR}/__assertion_handler
+
+# Generated by CMake as of libc++ 13.
+STD+=		${.CURDIR}/__config_site
+
+# Generated by CMake as of libc++ 19.
+STD_HEADERS+=	${.CURDIR}/libcxx.imp
+
+RT_HEADERS+=	cxxabi.h
+.for hdr in ${RT_HEADERS}
+STD+=		${_LIBCXXRTDIR}/${hdr}
+.endfor
+
+INCSGROUPS+=	ALG
+ALGDIR=		${CXXINCLUDEDIR}/__algorithm
+ALG_HEADERS+=	adjacent_find.h
+ALG_HEADERS+=	all_of.h
+ALG_HEADERS+=	any_of.h
+ALG_HEADERS+=	binary_search.h
+ALG_HEADERS+=	clamp.h
+ALG_HEADERS+=	comp.h
+ALG_HEADERS+=	comp_ref_type.h
+ALG_HEADERS+=	copy.h
+ALG_HEADERS+=	copy_backward.h
+ALG_HEADERS+=	copy_if.h
+ALG_HEADERS+=	copy_move_common.h
+ALG_HEADERS+=	copy_n.h
+ALG_HEADERS+=	count.h
+ALG_HEADERS+=	count_if.h
+ALG_HEADERS+=	equal.h
+ALG_HEADERS+=	equal_range.h
+ALG_HEADERS+=	fill.h
+ALG_HEADERS+=	fill_n.h
+ALG_HEADERS+=	find.h
+ALG_HEADERS+=	find_end.h
+ALG_HEADERS+=	find_first_of.h
+ALG_HEADERS+=	find_if.h
+ALG_HEADERS+=	find_if_not.h
+ALG_HEADERS+=	find_segment_if.h
+ALG_HEADERS+=	fold.h
+ALG_HEADERS+=	for_each.h
+ALG_HEADERS+=	for_each_n.h
+ALG_HEADERS+=	for_each_segment.h
+ALG_HEADERS+=	generate.h
+ALG_HEADERS+=	generate_n.h
+ALG_HEADERS+=	half_positive.h
+ALG_HEADERS+=	in_found_result.h
+ALG_HEADERS+=	in_fun_result.h
+ALG_HEADERS+=	in_in_out_result.h
+ALG_HEADERS+=	in_in_result.h
+ALG_HEADERS+=	in_out_out_result.h
+ALG_HEADERS+=	in_out_result.h
+ALG_HEADERS+=	includes.h
+ALG_HEADERS+=	inplace_merge.h
+ALG_HEADERS+=	is_heap.h
+ALG_HEADERS+=	is_heap_until.h
+ALG_HEADERS+=	is_partitioned.h
+ALG_HEADERS+=	is_permutation.h
+ALG_HEADERS+=	is_sorted.h
+ALG_HEADERS+=	is_sorted_until.h
+ALG_HEADERS+=	iter_swap.h
+ALG_HEADERS+=	iterator_operations.h
+ALG_HEADERS+=	lexicographical_compare.h
+ALG_HEADERS+=	lexicographical_compare_three_way.h
+ALG_HEADERS+=	lower_bound.h
+ALG_HEADERS+=	make_heap.h
+ALG_HEADERS+=	make_projected.h
+ALG_HEADERS+=	max.h
+ALG_HEADERS+=	max_element.h
+ALG_HEADERS+=	merge.h
+ALG_HEADERS+=	min.h
+ALG_HEADERS+=	min_element.h
+ALG_HEADERS+=	min_max_result.h
+ALG_HEADERS+=	minmax.h
+ALG_HEADERS+=	minmax_element.h
+ALG_HEADERS+=	mismatch.h
+ALG_HEADERS+=	move.h
+ALG_HEADERS+=	move_backward.h
+ALG_HEADERS+=	next_permutation.h
+ALG_HEADERS+=	none_of.h
+ALG_HEADERS+=	nth_element.h
+ALG_HEADERS+=	partial_sort.h
+ALG_HEADERS+=	partial_sort_copy.h
+ALG_HEADERS+=	partition.h
+ALG_HEADERS+=	partition_copy.h
+ALG_HEADERS+=	partition_point.h
+ALG_HEADERS+=	pop_heap.h
+ALG_HEADERS+=	prev_permutation.h
+ALG_HEADERS+=	pstl.h
+ALG_HEADERS+=	push_heap.h
+ALG_HEADERS+=	ranges_adjacent_find.h
+ALG_HEADERS+=	ranges_all_of.h
+ALG_HEADERS+=	ranges_any_of.h
+ALG_HEADERS+=	ranges_binary_search.h
+ALG_HEADERS+=	ranges_clamp.h
+ALG_HEADERS+=	ranges_contains.h
+ALG_HEADERS+=	ranges_contains_subrange.h
+ALG_HEADERS+=	ranges_copy.h
+ALG_HEADERS+=	ranges_copy_backward.h
+ALG_HEADERS+=	ranges_copy_if.h
+ALG_HEADERS+=	ranges_copy_n.h
+ALG_HEADERS+=	ranges_count.h
+ALG_HEADERS+=	ranges_count_if.h
+ALG_HEADERS+=	ranges_ends_with.h
+ALG_HEADERS+=	ranges_equal.h
+ALG_HEADERS+=	ranges_equal_range.h
+ALG_HEADERS+=	ranges_fill.h
+ALG_HEADERS+=	ranges_fill_n.h
+ALG_HEADERS+=	ranges_find.h
+ALG_HEADERS+=	ranges_find_end.h
+ALG_HEADERS+=	ranges_find_first_of.h
+ALG_HEADERS+=	ranges_find_if.h
+ALG_HEADERS+=	ranges_find_if_not.h
+ALG_HEADERS+=	ranges_find_last.h
+ALG_HEADERS+=	ranges_for_each.h
+ALG_HEADERS+=	ranges_for_each_n.h
+ALG_HEADERS+=	ranges_generate.h
+ALG_HEADERS+=	ranges_generate_n.h
+ALG_HEADERS+=	ranges_includes.h
+ALG_HEADERS+=	ranges_inplace_merge.h
+ALG_HEADERS+=	ranges_is_heap.h
+ALG_HEADERS+=	ranges_is_heap_until.h
+ALG_HEADERS+=	ranges_is_partitioned.h
+ALG_HEADERS+=	ranges_is_permutation.h
+ALG_HEADERS+=	ranges_is_sorted.h
+ALG_HEADERS+=	ranges_is_sorted_until.h
+ALG_HEADERS+=	ranges_iterator_concept.h
+ALG_HEADERS+=	ranges_lexicographical_compare.h
+ALG_HEADERS+=	ranges_lower_bound.h
+ALG_HEADERS+=	ranges_make_heap.h
+ALG_HEADERS+=	ranges_max.h
+ALG_HEADERS+=	ranges_max_element.h
+ALG_HEADERS+=	ranges_merge.h
+ALG_HEADERS+=	ranges_min.h
+ALG_HEADERS+=	ranges_min_element.h
+ALG_HEADERS+=	ranges_minmax.h
+ALG_HEADERS+=	ranges_minmax_element.h
+ALG_HEADERS+=	ranges_mismatch.h
+ALG_HEADERS+=	ranges_move.h
+ALG_HEADERS+=	ranges_move_backward.h
+ALG_HEADERS+=	ranges_next_permutation.h
+ALG_HEADERS+=	ranges_none_of.h
+ALG_HEADERS+=	ranges_nth_element.h
+ALG_HEADERS+=	ranges_partial_sort.h
+ALG_HEADERS+=	ranges_partial_sort_copy.h
+ALG_HEADERS+=	ranges_partition.h
+ALG_HEADERS+=	ranges_partition_copy.h
+ALG_HEADERS+=	ranges_partition_point.h
+ALG_HEADERS+=	ranges_pop_heap.h
+ALG_HEADERS+=	ranges_prev_permutation.h
+ALG_HEADERS+=	ranges_push_heap.h
+ALG_HEADERS+=	ranges_remove.h
+ALG_HEADERS+=	ranges_remove_copy.h
+ALG_HEADERS+=	ranges_remove_copy_if.h
+ALG_HEADERS+=	ranges_remove_if.h
+ALG_HEADERS+=	ranges_replace.h
+ALG_HEADERS+=	ranges_replace_copy.h
+ALG_HEADERS+=	ranges_replace_copy_if.h
+ALG_HEADERS+=	ranges_replace_if.h
+ALG_HEADERS+=	ranges_reverse.h
+ALG_HEADERS+=	ranges_reverse_copy.h
+ALG_HEADERS+=	ranges_rotate.h
+ALG_HEADERS+=	ranges_rotate_copy.h
+ALG_HEADERS+=	ranges_sample.h
+ALG_HEADERS+=	ranges_search.h
+ALG_HEADERS+=	ranges_search_n.h
+ALG_HEADERS+=	ranges_set_difference.h
+ALG_HEADERS+=	ranges_set_intersection.h
+ALG_HEADERS+=	ranges_set_symmetric_difference.h
+ALG_HEADERS+=	ranges_set_union.h
+ALG_HEADERS+=	ranges_shuffle.h
+ALG_HEADERS+=	ranges_sort.h
+ALG_HEADERS+=	ranges_sort_heap.h
+ALG_HEADERS+=	ranges_stable_partition.h
+ALG_HEADERS+=	ranges_stable_sort.h
+ALG_HEADERS+=	ranges_starts_with.h
+ALG_HEADERS+=	ranges_swap_ranges.h
+ALG_HEADERS+=	ranges_transform.h
+ALG_HEADERS+=	ranges_unique.h
+ALG_HEADERS+=	ranges_unique_copy.h
+ALG_HEADERS+=	ranges_upper_bound.h
+ALG_HEADERS+=	remove.h
+ALG_HEADERS+=	remove_copy.h
+ALG_HEADERS+=	remove_copy_if.h
+ALG_HEADERS+=	remove_if.h
+ALG_HEADERS+=	replace.h
+ALG_HEADERS+=	replace_copy.h
+ALG_HEADERS+=	replace_copy_if.h
+ALG_HEADERS+=	replace_if.h
+ALG_HEADERS+=	reverse.h
+ALG_HEADERS+=	reverse_copy.h
+ALG_HEADERS+=	rotate.h
+ALG_HEADERS+=	rotate_copy.h
+ALG_HEADERS+=	sample.h
+ALG_HEADERS+=	search.h
+ALG_HEADERS+=	search_n.h
+ALG_HEADERS+=	set_difference.h
+ALG_HEADERS+=	set_intersection.h
+ALG_HEADERS+=	set_symmetric_difference.h
+ALG_HEADERS+=	set_union.h
+ALG_HEADERS+=	shift_left.h
+ALG_HEADERS+=	shift_right.h
+ALG_HEADERS+=	shuffle.h
+ALG_HEADERS+=	sift_down.h
+ALG_HEADERS+=	simd_utils.h
+ALG_HEADERS+=	sort.h
+ALG_HEADERS+=	sort_heap.h
+ALG_HEADERS+=	stable_partition.h
+ALG_HEADERS+=	stable_sort.h
+ALG_HEADERS+=	swap_ranges.h
+ALG_HEADERS+=	three_way_comp_ref_type.h
+ALG_HEADERS+=	transform.h
+ALG_HEADERS+=	uniform_random_bit_generator_adaptor.h
+ALG_HEADERS+=	unique.h
+ALG_HEADERS+=	unique_copy.h
+ALG_HEADERS+=	unwrap_iter.h
+ALG_HEADERS+=	unwrap_range.h
+ALG_HEADERS+=	upper_bound.h
+.for hdr in ${ALG_HEADERS}
+ALG+=		${HDRDIR}/__algorithm/${hdr}
+.endfor
+
+INCSGROUPS+=	ATM
+ATMDIR=		${CXXINCLUDEDIR}/__atomic
+ATM_HEADERS+=	aliases.h
+ATM_HEADERS+=	atomic.h
+ATM_HEADERS+=	atomic_base.h
+ATM_HEADERS+=	atomic_flag.h
+ATM_HEADERS+=	atomic_init.h
+ATM_HEADERS+=	atomic_lock_free.h
+ATM_HEADERS+=	atomic_ref.h
+ATM_HEADERS+=	atomic_sync.h
+ATM_HEADERS+=	check_memory_order.h
+ATM_HEADERS+=	contention_t.h
+ATM_HEADERS+=	cxx_atomic_impl.h
+ATM_HEADERS+=	fence.h
+ATM_HEADERS+=	is_always_lock_free.h
+ATM_HEADERS+=	kill_dependency.h
+ATM_HEADERS+=	memory_order.h
+ATM_HEADERS+=	to_gcc_order.h
+.for hdr in ${ATM_HEADERS}
+ATM+=		${HDRDIR}/__atomic/${hdr}
+.endfor
+
+INCSGROUPS+=	BIT
+BITDIR=		${CXXINCLUDEDIR}/__bit
+BIT_HEADERS+=	bit_cast.h
+BIT_HEADERS+=	bit_ceil.h
+BIT_HEADERS+=	bit_floor.h
+BIT_HEADERS+=	bit_log2.h
+BIT_HEADERS+=	bit_width.h
+BIT_HEADERS+=	blsr.h
+BIT_HEADERS+=	byteswap.h
+BIT_HEADERS+=	countl.h
+BIT_HEADERS+=	countr.h
+BIT_HEADERS+=	endian.h
+BIT_HEADERS+=	has_single_bit.h
+BIT_HEADERS+=	invert_if.h
+BIT_HEADERS+=	popcount.h
+BIT_HEADERS+=	rotate.h
+.for hdr in ${BIT_HEADERS}
+BIT+=		${HDRDIR}/__bit/${hdr}
+.endfor
+
+INCSGROUPS+=	CHC
+CHCDIR=		${CXXINCLUDEDIR}/__charconv
+CHC_HEADERS+=	chars_format.h
+CHC_HEADERS+=	from_chars_integral.h
+CHC_HEADERS+=	from_chars_result.h
+CHC_HEADERS+=	tables.h
+CHC_HEADERS+=	to_chars.h
+CHC_HEADERS+=	to_chars_base_10.h
+CHC_HEADERS+=	to_chars_floating_point.h
+CHC_HEADERS+=	to_chars_integral.h
+CHC_HEADERS+=	to_chars_result.h
+CHC_HEADERS+=	traits.h
+.for hdr in ${CHC_HEADERS}
+CHC+=		${HDRDIR}/__charconv/${hdr}
+.endfor
+
+INCSGROUPS+=	CHR
+CHRDIR=		${CXXINCLUDEDIR}/__chrono
+CHR_HEADERS+=	calendar.h
+CHR_HEADERS+=	concepts.h
+CHR_HEADERS+=	convert_to_timespec.h
+CHR_HEADERS+=	convert_to_tm.h
+CHR_HEADERS+=	day.h
+CHR_HEADERS+=	duration.h
+CHR_HEADERS+=	exception.h
+CHR_HEADERS+=	file_clock.h
+CHR_HEADERS+=	formatter.h
+CHR_HEADERS+=	hh_mm_ss.h
+CHR_HEADERS+=	high_resolution_clock.h
+CHR_HEADERS+=	leap_second.h
+CHR_HEADERS+=	literals.h
+CHR_HEADERS+=	local_info.h
+CHR_HEADERS+=	month.h
+CHR_HEADERS+=	month_weekday.h
+CHR_HEADERS+=	monthday.h
+CHR_HEADERS+=	ostream.h
+CHR_HEADERS+=	parser_std_format_spec.h
+CHR_HEADERS+=	statically_widen.h
+CHR_HEADERS+=	steady_clock.h
+CHR_HEADERS+=	sys_info.h
+CHR_HEADERS+=	system_clock.h
+CHR_HEADERS+=	time_point.h
+CHR_HEADERS+=	time_zone.h
+CHR_HEADERS+=	time_zone_link.h
+CHR_HEADERS+=	tzdb.h
+CHR_HEADERS+=	tzdb_list.h
+CHR_HEADERS+=	weekday.h
+CHR_HEADERS+=	year.h
+CHR_HEADERS+=	year_month.h
+CHR_HEADERS+=	year_month_day.h
+CHR_HEADERS+=	year_month_weekday.h
+CHR_HEADERS+=	zoned_time.h
+.for hdr in ${CHR_HEADERS}
+CHR+=		${HDRDIR}/__chrono/${hdr}
+.endfor
+
+INCSGROUPS+=	CMP
+CMPDIR=		${CXXINCLUDEDIR}/__compare
+CMP_HEADERS+=	common_comparison_category.h
+CMP_HEADERS+=	compare_partial_order_fallback.h
+CMP_HEADERS+=	compare_strong_order_fallback.h
+CMP_HEADERS+=	compare_three_way.h
+CMP_HEADERS+=	compare_three_way_result.h
+CMP_HEADERS+=	compare_weak_order_fallback.h
+CMP_HEADERS+=	is_eq.h
+CMP_HEADERS+=	ordering.h
+CMP_HEADERS+=	partial_order.h
+CMP_HEADERS+=	strong_order.h
+CMP_HEADERS+=	synth_three_way.h
+CMP_HEADERS+=	three_way_comparable.h
+CMP_HEADERS+=	weak_order.h
+.for hdr in ${CMP_HEADERS}
+CMP+=		${HDRDIR}/__compare/${hdr}
+.endfor
+
+INCSGROUPS+=	CON
+CONDIR=		${CXXINCLUDEDIR}/__concepts
+CON_HEADERS+=	arithmetic.h
+CON_HEADERS+=	assignable.h
+CON_HEADERS+=	boolean_testable.h
+CON_HEADERS+=	class_or_enum.h
+CON_HEADERS+=	common_reference_with.h
+CON_HEADERS+=	common_with.h
+CON_HEADERS+=	constructible.h
+CON_HEADERS+=	convertible_to.h
+CON_HEADERS+=	copyable.h
+CON_HEADERS+=	derived_from.h
+CON_HEADERS+=	destructible.h
+CON_HEADERS+=	different_from.h
+CON_HEADERS+=	equality_comparable.h
+CON_HEADERS+=	invocable.h
+CON_HEADERS+=	movable.h
+CON_HEADERS+=	predicate.h
+CON_HEADERS+=	regular.h
+CON_HEADERS+=	relation.h
+CON_HEADERS+=	same_as.h
+CON_HEADERS+=	semiregular.h
+CON_HEADERS+=	swappable.h
+CON_HEADERS+=	totally_ordered.h
+.for hdr in ${CON_HEADERS}
+CON+=		${HDRDIR}/__concepts/${hdr}
+.endfor
+
+INCSGROUPS+=	CND
+CNDDIR=		${CXXINCLUDEDIR}/__condition_variable
+CND_HEADERS+=	condition_variable.h
+.for hdr in ${CND_HEADERS}
+CND+=		${HDRDIR}/__condition_variable/${hdr}
+.endfor
+
+INCSGROUPS+=	CNF
+CNFDIR=		${CXXINCLUDEDIR}/__configuration
+CNF_HEADERS+=	abi.h
+CNF_HEADERS+=	availability.h
+CNF_HEADERS+=	compiler.h
+CNF_HEADERS+=	language.h
+CNF_HEADERS+=	platform.h
+.for hdr in ${CNF_HEADERS}
+CNF+=		${HDRDIR}/__configuration/${hdr}
+.endfor
+
+INCSGROUPS+=	COR
+CORDIR=		${CXXINCLUDEDIR}/__coroutine
+COR_HEADERS+=	coroutine_handle.h
+COR_HEADERS+=	coroutine_traits.h
+COR_HEADERS+=	noop_coroutine_handle.h
+COR_HEADERS+=	trivial_awaitables.h
+.for hdr in ${COR_HEADERS}
+COR+=		${HDRDIR}/__coroutine/${hdr}
+.endfor
+
+INCSGROUPS+=	DBG
+DBGDIR=		${CXXINCLUDEDIR}/__debug_utils
+DBG_HEADERS+=	randomize_range.h
+DBG_HEADERS+=	sanitizers.h
+DBG_HEADERS+=	strict_weak_ordering_check.h
+.for hdr in ${DBG_HEADERS}
+DBG+=		${HDRDIR}/__debug_utils/${hdr}
+.endfor
+
+INCSGROUPS+=	EXC
+EXCDIR=		${CXXINCLUDEDIR}/__exception
+EXC_HEADERS+=	exception.h
+EXC_HEADERS+=	exception_ptr.h
+EXC_HEADERS+=	nested_exception.h
+EXC_HEADERS+=	operations.h
+EXC_HEADERS+=	terminate.h
+.for hdr in ${EXC_HEADERS}
+EXC+=		${HDRDIR}/__exception/${hdr}
+.endfor
+
+INCSGROUPS+=	EXD
+EXDDIR=		${CXXINCLUDEDIR}/__expected
+EXD_HEADERS+=	bad_expected_access.h
+EXD_HEADERS+=	expected.h
+EXD_HEADERS+=	unexpect.h
+EXD_HEADERS+=	unexpected.h
+.for hdr in ${EXD_HEADERS}
+EXD+=		${HDRDIR}/__expected/${hdr}
+.endfor
+
+INCSGROUPS+=	FS
+FSDIR=		${CXXINCLUDEDIR}/__filesystem
+FS_HEADERS+=	copy_options.h
+FS_HEADERS+=	directory_entry.h
+FS_HEADERS+=	directory_iterator.h
+FS_HEADERS+=	directory_options.h
+FS_HEADERS+=	file_status.h
+FS_HEADERS+=	file_time_type.h
+FS_HEADERS+=	file_type.h
+FS_HEADERS+=	filesystem_error.h
+FS_HEADERS+=	operations.h
+FS_HEADERS+=	path.h
+FS_HEADERS+=	path_iterator.h
+FS_HEADERS+=	perm_options.h
+FS_HEADERS+=	perms.h
+FS_HEADERS+=	recursive_directory_iterator.h
+FS_HEADERS+=	space_info.h
+FS_HEADERS+=	u8path.h
+.for hdr in ${FS_HEADERS}
+FS+=		${HDRDIR}/__filesystem/${hdr}
+.endfor
+
+INCSGROUPS+=	FMT
+FMTDIR=		${CXXINCLUDEDIR}/__format
+FMT_HEADERS+=	buffer.h
+FMT_HEADERS+=	concepts.h
+FMT_HEADERS+=	container_adaptor.h
+FMT_HEADERS+=	enable_insertable.h
+FMT_HEADERS+=	escaped_output_table.h
+FMT_HEADERS+=	extended_grapheme_cluster_table.h
+FMT_HEADERS+=	format_arg.h
+FMT_HEADERS+=	format_arg_store.h
+FMT_HEADERS+=	format_args.h
+FMT_HEADERS+=	format_context.h
+FMT_HEADERS+=	format_error.h
+FMT_HEADERS+=	format_functions.h
+FMT_HEADERS+=	format_parse_context.h
+FMT_HEADERS+=	format_string.h
+FMT_HEADERS+=	format_to_n_result.h
+FMT_HEADERS+=	formatter.h
+FMT_HEADERS+=	formatter_bool.h
+FMT_HEADERS+=	formatter_char.h
+FMT_HEADERS+=	formatter_floating_point.h
+FMT_HEADERS+=	formatter_integer.h
+FMT_HEADERS+=	formatter_integral.h
+FMT_HEADERS+=	formatter_output.h
+FMT_HEADERS+=	formatter_pointer.h
+FMT_HEADERS+=	formatter_string.h
+FMT_HEADERS+=	formatter_tuple.h
+FMT_HEADERS+=	indic_conjunct_break_table.h
+FMT_HEADERS+=	parser_std_format_spec.h
+FMT_HEADERS+=	range_default_formatter.h
+FMT_HEADERS+=	range_formatter.h
+FMT_HEADERS+=	unicode.h
+FMT_HEADERS+=	width_estimation_table.h
+FMT_HEADERS+=	write_escaped.h
+.for hdr in ${FMT_HEADERS}
+FMT+=		${HDRDIR}/__format/${hdr}
+.endfor
+
+INCSGROUPS+=	FUN
+FUNDIR=		${CXXINCLUDEDIR}/__functional
+FUN_HEADERS+=	binary_function.h
+FUN_HEADERS+=	binary_negate.h
+FUN_HEADERS+=	bind.h
+FUN_HEADERS+=	bind_back.h
+FUN_HEADERS+=	bind_front.h
+FUN_HEADERS+=	binder1st.h
+FUN_HEADERS+=	binder2nd.h
+FUN_HEADERS+=	boyer_moore_searcher.h
+FUN_HEADERS+=	compose.h
+FUN_HEADERS+=	default_searcher.h
+FUN_HEADERS+=	function.h
+FUN_HEADERS+=	hash.h
+FUN_HEADERS+=	identity.h
+FUN_HEADERS+=	invoke.h
+FUN_HEADERS+=	is_transparent.h
+FUN_HEADERS+=	mem_fn.h
+FUN_HEADERS+=	mem_fun_ref.h
+FUN_HEADERS+=	not_fn.h
+FUN_HEADERS+=	operations.h
+FUN_HEADERS+=	perfect_forward.h
+FUN_HEADERS+=	pointer_to_binary_function.h
+FUN_HEADERS+=	pointer_to_unary_function.h
+FUN_HEADERS+=	ranges_operations.h
+FUN_HEADERS+=	reference_wrapper.h
+FUN_HEADERS+=	unary_function.h
+FUN_HEADERS+=	unary_negate.h
+FUN_HEADERS+=	weak_result_type.h
+.for hdr in ${FUN_HEADERS}
+FUN+=		${HDRDIR}/__functional/${hdr}
+.endfor
+
+INCSGROUPS+=	FWD
+FWDDIR=		${CXXINCLUDEDIR}/__fwd
+FWD_HEADERS+=	array.h
+FWD_HEADERS+=	bit_reference.h
+FWD_HEADERS+=	complex.h
+FWD_HEADERS+=	deque.h
+FWD_HEADERS+=	format.h
+FWD_HEADERS+=	fstream.h
+FWD_HEADERS+=	functional.h
+FWD_HEADERS+=	ios.h
+FWD_HEADERS+=	istream.h
+FWD_HEADERS+=	mdspan.h
+FWD_HEADERS+=	memory.h
+FWD_HEADERS+=	memory_resource.h
+FWD_HEADERS+=	ostream.h
+FWD_HEADERS+=	pair.h
+FWD_HEADERS+=	queue.h
+FWD_HEADERS+=	span.h
+FWD_HEADERS+=	sstream.h
+FWD_HEADERS+=	stack.h
+FWD_HEADERS+=	streambuf.h
+FWD_HEADERS+=	string.h
+FWD_HEADERS+=	string_view.h
+FWD_HEADERS+=	subrange.h
+FWD_HEADERS+=	tuple.h
+FWD_HEADERS+=	vector.h
+.for hdr in ${FWD_HEADERS}
+FWD+=		${HDRDIR}/__fwd/${hdr}
+.endfor
+
+INCSGROUPS+=	IOS
+IOSDIR=		${CXXINCLUDEDIR}/__ios
+IOS_HEADERS+=	fpos.h
+.for hdr in ${IOS_HEADERS}
+IOS+=		${HDRDIR}/__ios/${hdr}
+.endfor
+
+INCSGROUPS+=	IT
+ITDIR=		${CXXINCLUDEDIR}/__iterator
+IT_HEADERS+=	access.h
+IT_HEADERS+=	advance.h
+IT_HEADERS+=	aliasing_iterator.h
+IT_HEADERS+=	back_insert_iterator.h
+IT_HEADERS+=	bounded_iter.h
+IT_HEADERS+=	common_iterator.h
+IT_HEADERS+=	concepts.h
+IT_HEADERS+=	counted_iterator.h
+IT_HEADERS+=	cpp17_iterator_concepts.h
+IT_HEADERS+=	data.h
+IT_HEADERS+=	default_sentinel.h
+IT_HEADERS+=	distance.h
+IT_HEADERS+=	empty.h
+IT_HEADERS+=	erase_if_container.h
+IT_HEADERS+=	front_insert_iterator.h
+IT_HEADERS+=	incrementable_traits.h
+IT_HEADERS+=	indirectly_comparable.h
+IT_HEADERS+=	insert_iterator.h
+IT_HEADERS+=	istream_iterator.h
+IT_HEADERS+=	istreambuf_iterator.h
+IT_HEADERS+=	iter_move.h
+IT_HEADERS+=	iter_swap.h
+IT_HEADERS+=	iterator.h
+IT_HEADERS+=	iterator_traits.h
+IT_HEADERS+=	iterator_with_data.h
+IT_HEADERS+=	mergeable.h
+IT_HEADERS+=	move_iterator.h
+IT_HEADERS+=	move_sentinel.h
+IT_HEADERS+=	next.h
+IT_HEADERS+=	ostream_iterator.h
+IT_HEADERS+=	ostreambuf_iterator.h
+IT_HEADERS+=	permutable.h
+IT_HEADERS+=	prev.h
+IT_HEADERS+=	projected.h
+IT_HEADERS+=	ranges_iterator_traits.h
+IT_HEADERS+=	readable_traits.h
+IT_HEADERS+=	reverse_access.h
+IT_HEADERS+=	reverse_iterator.h
+IT_HEADERS+=	segmented_iterator.h
+IT_HEADERS+=	size.h
+IT_HEADERS+=	sortable.h
+IT_HEADERS+=	unreachable_sentinel.h
+IT_HEADERS+=	wrap_iter.h
+.for hdr in ${IT_HEADERS}
+IT+=		${HDRDIR}/__iterator/${hdr}
+.endfor
+
+INCSGROUPS+=	LOC
+LOCDIR=		${CXXINCLUDEDIR}/__locale_dir
+LOC_HEADERS+=	locale_base_api.h
+.for hdr in ${LOC_HEADERS}
+LOC+=		${HDRDIR}/__locale_dir/${hdr}
+.endfor
+
+INCSGROUPS+=	LBA
+LBADIR=		${CXXINCLUDEDIR}/__locale_dir/locale_base_api
+LBA_HEADERS+=	bsd_locale_defaults.h
+LBA_HEADERS+=	bsd_locale_fallbacks.h
+LBA_HEADERS+=	locale_guard.h
+.for hdr in ${LBA_HEADERS}
+LBA+=		${HDRDIR}/__locale_dir/locale_base_api/${hdr}
+.endfor
+
+INCSGROUPS+=	MAT
+MATDIR=		${CXXINCLUDEDIR}/__math
+MAT_HEADERS+=	abs.h
+MAT_HEADERS+=	copysign.h
+MAT_HEADERS+=	error_functions.h
+MAT_HEADERS+=	exponential_functions.h
+MAT_HEADERS+=	fdim.h
+MAT_HEADERS+=	fma.h
+MAT_HEADERS+=	gamma.h
+MAT_HEADERS+=	hyperbolic_functions.h
+MAT_HEADERS+=	hypot.h
+MAT_HEADERS+=	inverse_hyperbolic_functions.h
+MAT_HEADERS+=	inverse_trigonometric_functions.h
+MAT_HEADERS+=	logarithms.h
+MAT_HEADERS+=	min_max.h
+MAT_HEADERS+=	modulo.h
+MAT_HEADERS+=	remainder.h
+MAT_HEADERS+=	roots.h
+MAT_HEADERS+=	rounding_functions.h
+MAT_HEADERS+=	special_functions.h
+MAT_HEADERS+=	traits.h
+MAT_HEADERS+=	trigonometric_functions.h
+.for hdr in ${MAT_HEADERS}
+MAT+=		${HDRDIR}/__math/${hdr}
+.endfor
+
+INCSGROUPS+=	MDS
+MDSDIR=		${CXXINCLUDEDIR}/__mdspan
+MDS_HEADERS+=	default_accessor.h
+MDS_HEADERS+=	extents.h
+MDS_HEADERS+=	layout_left.h
+MDS_HEADERS+=	layout_right.h
+MDS_HEADERS+=	layout_stride.h
+MDS_HEADERS+=	mdspan.h
+.for hdr in ${MDS_HEADERS}
+MDS+=		${HDRDIR}/__mdspan/${hdr}
+.endfor
+
+INCSGROUPS+=	MEM
+MEMDIR=		${CXXINCLUDEDIR}/__memory
+MEM_HEADERS+=	addressof.h
+MEM_HEADERS+=	align.h
+MEM_HEADERS+=	aligned_alloc.h
+MEM_HEADERS+=	allocate_at_least.h
+MEM_HEADERS+=	allocation_guard.h
+MEM_HEADERS+=	allocator.h
+MEM_HEADERS+=	allocator_arg_t.h
+MEM_HEADERS+=	allocator_destructor.h
+MEM_HEADERS+=	allocator_traits.h
+MEM_HEADERS+=	assume_aligned.h
+MEM_HEADERS+=	auto_ptr.h
+MEM_HEADERS+=	builtin_new_allocator.h
+MEM_HEADERS+=	compressed_pair.h
+MEM_HEADERS+=	concepts.h
+MEM_HEADERS+=	construct_at.h
+MEM_HEADERS+=	destruct_n.h
+MEM_HEADERS+=	inout_ptr.h
+MEM_HEADERS+=	out_ptr.h
+MEM_HEADERS+=	pointer_traits.h
+MEM_HEADERS+=	ranges_construct_at.h
+MEM_HEADERS+=	ranges_uninitialized_algorithms.h
+MEM_HEADERS+=	raw_storage_iterator.h
+MEM_HEADERS+=	shared_ptr.h
+MEM_HEADERS+=	swap_allocator.h
+MEM_HEADERS+=	temp_value.h
+MEM_HEADERS+=	temporary_buffer.h
+MEM_HEADERS+=	uninitialized_algorithms.h
+MEM_HEADERS+=	unique_ptr.h
+MEM_HEADERS+=	uses_allocator.h
+MEM_HEADERS+=	uses_allocator_construction.h
+MEM_HEADERS+=	voidify.h
+.for hdr in ${MEM_HEADERS}
+MEM+=		${HDRDIR}/__memory/${hdr}
+.endfor
+
+INCSGROUPS+=	MER
+MERDIR=		${CXXINCLUDEDIR}/__memory_resource
+MER_HEADERS+=	memory_resource.h
+MER_HEADERS+=	monotonic_buffer_resource.h
+MER_HEADERS+=	polymorphic_allocator.h
+MER_HEADERS+=	pool_options.h
+MER_HEADERS+=	synchronized_pool_resource.h
+MER_HEADERS+=	unsynchronized_pool_resource.h
+.for hdr in ${MER_HEADERS}
+MER+=		${HDRDIR}/__memory_resource/${hdr}
+.endfor
+
+INCSGROUPS+=	MUT
+MUTDIR=		${CXXINCLUDEDIR}/__mutex
+MUT_HEADERS+=	lock_guard.h
+MUT_HEADERS+=	mutex.h
+MUT_HEADERS+=	once_flag.h
+MUT_HEADERS+=	tag_types.h
+MUT_HEADERS+=	unique_lock.h
+.for hdr in ${MUT_HEADERS}
+MUT+=		${HDRDIR}/__mutex/${hdr}
+.endfor
+
+INCSGROUPS+=	NUM
+NUMDIR=		${CXXINCLUDEDIR}/__numeric
+NUM_HEADERS+=	accumulate.h
+NUM_HEADERS+=	adjacent_difference.h
+NUM_HEADERS+=	exclusive_scan.h
+NUM_HEADERS+=	gcd_lcm.h
+NUM_HEADERS+=	inclusive_scan.h
+NUM_HEADERS+=	inner_product.h
+NUM_HEADERS+=	iota.h
+NUM_HEADERS+=	midpoint.h
+NUM_HEADERS+=	partial_sum.h
+NUM_HEADERS+=	pstl.h
+NUM_HEADERS+=	reduce.h
+NUM_HEADERS+=	saturation_arithmetic.h
+NUM_HEADERS+=	transform_exclusive_scan.h
+NUM_HEADERS+=	transform_inclusive_scan.h
+NUM_HEADERS+=	transform_reduce.h
+.for hdr in ${NUM_HEADERS}
+NUM+=		${HDRDIR}/__numeric/${hdr}
+.endfor
+
+INCSGROUPS+=	OST
+OSTDIR=		${CXXINCLUDEDIR}/__ostream
+OST_HEADERS+=	basic_ostream.h
+OST_HEADERS+=	print.h
+.for hdr in ${OST_HEADERS}
+OST+=		${HDRDIR}/__ostream/${hdr}
+.endfor
+
+INCSGROUPS+=	PST
+PSTDIR=		${CXXINCLUDEDIR}/__pstl
+PST_HEADERS+=	backend.h
+PST_HEADERS+=	backend_fwd.h
+PST_HEADERS+=	dispatch.h
+PST_HEADERS+=	handle_exception.h
+.for hdr in ${PST_HEADERS}
+PST+=		${HDRDIR}/__pstl/${hdr}
+.endfor
+
+INCSGROUPS+=	PSB
+PSBDIR=		${CXXINCLUDEDIR}/__pstl/backends
+PSB_HEADERS+=	default.h
+PSB_HEADERS+=	libdispatch.h
+PSB_HEADERS+=	serial.h
+PSB_HEADERS+=	std_thread.h
+.for hdr in ${PSB_HEADERS}
+PSB+=		${HDRDIR}/__pstl/backends/${hdr}
+.endfor
+
+INCSGROUPS+=	PSC
+PSCDIR=		${CXXINCLUDEDIR}/__pstl/cpu_algos
+PSC_HEADERS+=	any_of.h
+PSC_HEADERS+=	cpu_traits.h
+PSC_HEADERS+=	fill.h
+PSC_HEADERS+=	find_if.h
+PSC_HEADERS+=	for_each.h
+PSC_HEADERS+=	merge.h
+PSC_HEADERS+=	stable_sort.h
+PSC_HEADERS+=	transform.h
+PSC_HEADERS+=	transform_reduce.h
+.for hdr in ${PSC_HEADERS}
+PSC+=		${HDRDIR}/__pstl/cpu_algos/${hdr}
+.endfor
+
+INCSGROUPS+=	RND
+RNDDIR=		${CXXINCLUDEDIR}/__random
+RND_HEADERS+=	bernoulli_distribution.h
+RND_HEADERS+=	binomial_distribution.h
+RND_HEADERS+=	cauchy_distribution.h
+RND_HEADERS+=	chi_squared_distribution.h
+RND_HEADERS+=	clamp_to_integral.h
+RND_HEADERS+=	default_random_engine.h
+RND_HEADERS+=	discard_block_engine.h
+RND_HEADERS+=	discrete_distribution.h
+RND_HEADERS+=	exponential_distribution.h
+RND_HEADERS+=	extreme_value_distribution.h
+RND_HEADERS+=	fisher_f_distribution.h
+RND_HEADERS+=	gamma_distribution.h
+RND_HEADERS+=	generate_canonical.h
+RND_HEADERS+=	geometric_distribution.h
+RND_HEADERS+=	independent_bits_engine.h
+RND_HEADERS+=	is_seed_sequence.h
+RND_HEADERS+=	is_valid.h
+RND_HEADERS+=	knuth_b.h
+RND_HEADERS+=	linear_congruential_engine.h
+RND_HEADERS+=	log2.h
+RND_HEADERS+=	lognormal_distribution.h
+RND_HEADERS+=	mersenne_twister_engine.h
+RND_HEADERS+=	negative_binomial_distribution.h
+RND_HEADERS+=	normal_distribution.h
+RND_HEADERS+=	piecewise_constant_distribution.h
+RND_HEADERS+=	piecewise_linear_distribution.h
+RND_HEADERS+=	poisson_distribution.h
+RND_HEADERS+=	random_device.h
+RND_HEADERS+=	ranlux.h
+RND_HEADERS+=	seed_seq.h
+RND_HEADERS+=	shuffle_order_engine.h
+RND_HEADERS+=	student_t_distribution.h
+RND_HEADERS+=	subtract_with_carry_engine.h
+RND_HEADERS+=	uniform_int_distribution.h
+RND_HEADERS+=	uniform_random_bit_generator.h
+RND_HEADERS+=	uniform_real_distribution.h
+RND_HEADERS+=	weibull_distribution.h
+.for hdr in ${RND_HEADERS}
+RND+=		${HDRDIR}/__random/${hdr}
+.endfor
+
+INCSGROUPS+=	RNG
+RNGDIR=		${CXXINCLUDEDIR}/__ranges
+RNG_HEADERS+=	access.h
+RNG_HEADERS+=	all.h
+RNG_HEADERS+=	as_rvalue_view.h
+RNG_HEADERS+=	chunk_by_view.h
+RNG_HEADERS+=	common_view.h
+RNG_HEADERS+=	concepts.h
+RNG_HEADERS+=	container_compatible_range.h
+RNG_HEADERS+=	counted.h
+RNG_HEADERS+=	dangling.h
+RNG_HEADERS+=	data.h
+RNG_HEADERS+=	drop_view.h
+RNG_HEADERS+=	drop_while_view.h
+RNG_HEADERS+=	elements_view.h
+RNG_HEADERS+=	empty.h
+RNG_HEADERS+=	empty_view.h
+RNG_HEADERS+=	enable_borrowed_range.h
+RNG_HEADERS+=	enable_view.h
+RNG_HEADERS+=	filter_view.h
+RNG_HEADERS+=	from_range.h
+RNG_HEADERS+=	iota_view.h
+RNG_HEADERS+=	istream_view.h
+RNG_HEADERS+=	join_view.h
+RNG_HEADERS+=	lazy_split_view.h
+RNG_HEADERS+=	movable_box.h
+RNG_HEADERS+=	non_propagating_cache.h
+RNG_HEADERS+=	owning_view.h
+RNG_HEADERS+=	range_adaptor.h
+RNG_HEADERS+=	rbegin.h
+RNG_HEADERS+=	ref_view.h
+RNG_HEADERS+=	rend.h
+RNG_HEADERS+=	repeat_view.h
+RNG_HEADERS+=	reverse_view.h
+RNG_HEADERS+=	single_view.h
+RNG_HEADERS+=	size.h
+RNG_HEADERS+=	split_view.h
+RNG_HEADERS+=	subrange.h
+RNG_HEADERS+=	take_view.h
+RNG_HEADERS+=	take_while_view.h
+RNG_HEADERS+=	to.h
+RNG_HEADERS+=	transform_view.h
+RNG_HEADERS+=	view_interface.h
+RNG_HEADERS+=	views.h
+RNG_HEADERS+=	zip_view.h
+.for hdr in ${RNG_HEADERS}
+RNG+=		${HDRDIR}/__ranges/${hdr}
+.endfor
+
+INCSGROUPS+=	STT
+STTDIR=		${CXXINCLUDEDIR}/__stop_token
+STT_HEADERS+=	atomic_unique_lock.h
+STT_HEADERS+=	intrusive_list_view.h
+STT_HEADERS+=	intrusive_shared_ptr.h
+STT_HEADERS+=	stop_callback.h
+STT_HEADERS+=	stop_source.h
+STT_HEADERS+=	stop_state.h
+STT_HEADERS+=	stop_token.h
+.for hdr in ${STT_HEADERS}
+STT+=		${HDRDIR}/__stop_token/${hdr}
+.endfor
+
+INCSGROUPS+=	STR
+STRDIR=		${CXXINCLUDEDIR}/__string
+STR_HEADERS+=	char_traits.h
+STR_HEADERS+=	constexpr_c_functions.h
+STR_HEADERS+=	extern_template_lists.h
+.for hdr in ${STR_HEADERS}
+STR+=		${HDRDIR}/__string/${hdr}
+.endfor
+
+INCSGROUPS+=	SER
+SERDIR=		${CXXINCLUDEDIR}/__system_error
+SER_HEADERS+=	errc.h
+SER_HEADERS+=	error_category.h
+SER_HEADERS+=	error_code.h
+SER_HEADERS+=	error_condition.h
+SER_HEADERS+=	system_error.h
+.for hdr in ${SER_HEADERS}
+SER+=		${HDRDIR}/__system_error/${hdr}
+.endfor
+
+INCSGROUPS+=	THR
+THRDIR=		${CXXINCLUDEDIR}/__thread
+THR_HEADERS+=	formatter.h
+THR_HEADERS+=	id.h
+THR_HEADERS+=	jthread.h
+THR_HEADERS+=	poll_with_backoff.h
+THR_HEADERS+=	support.h
+THR_HEADERS+=	this_thread.h
+THR_HEADERS+=	thread.h
+THR_HEADERS+=	timed_backoff_policy.h
+.for hdr in ${THR_HEADERS}
+THR+=		${HDRDIR}/__thread/${hdr}
+.endfor
+
+INCSGROUPS+=	THS
+THSDIR=		${CXXINCLUDEDIR}/__thread/support
+THS_HEADERS+=	c11.h
+THS_HEADERS+=	external.h
+THS_HEADERS+=	pthread.h
+THS_HEADERS+=	windows.h
+.for hdr in ${THS_HEADERS}
+THS+=		${HDRDIR}/__thread/support/${hdr}
+.endfor
+
+INCSGROUPS+=	TUP
+TUPDIR=		${CXXINCLUDEDIR}/__tuple
+TUP_HEADERS+=	find_index.h
+TUP_HEADERS+=	ignore.h
+TUP_HEADERS+=	make_tuple_types.h
+TUP_HEADERS+=	sfinae_helpers.h
+TUP_HEADERS+=	tuple_element.h
+TUP_HEADERS+=	tuple_indices.h
+TUP_HEADERS+=	tuple_like.h
+TUP_HEADERS+=	tuple_like_ext.h
+TUP_HEADERS+=	tuple_like_no_subrange.h
+TUP_HEADERS+=	tuple_size.h
+TUP_HEADERS+=	tuple_types.h
+.for hdr in ${TUP_HEADERS}
+TUP+=		${HDRDIR}/__tuple/${hdr}
+.endfor
+
+INCSGROUPS+=	TTR
+TTRDIR=		${CXXINCLUDEDIR}/__type_traits
+TTR_HEADERS+=	add_const.h
+TTR_HEADERS+=	add_cv.h
+TTR_HEADERS+=	add_lvalue_reference.h
+TTR_HEADERS+=	add_pointer.h
+TTR_HEADERS+=	add_rvalue_reference.h
+TTR_HEADERS+=	add_volatile.h
+TTR_HEADERS+=	aligned_storage.h
+TTR_HEADERS+=	aligned_union.h
+TTR_HEADERS+=	alignment_of.h
+TTR_HEADERS+=	can_extract_key.h
+TTR_HEADERS+=	common_reference.h
+TTR_HEADERS+=	common_type.h
+TTR_HEADERS+=	conditional.h
+TTR_HEADERS+=	conjunction.h
+TTR_HEADERS+=	copy_cv.h
+TTR_HEADERS+=	copy_cvref.h
+TTR_HEADERS+=	datasizeof.h
+TTR_HEADERS+=	decay.h
+TTR_HEADERS+=	dependent_type.h
+TTR_HEADERS+=	desugars_to.h
+TTR_HEADERS+=	disjunction.h
+TTR_HEADERS+=	enable_if.h
+TTR_HEADERS+=	extent.h
+TTR_HEADERS+=	has_unique_object_representation.h
+TTR_HEADERS+=	has_virtual_destructor.h
+TTR_HEADERS+=	integral_constant.h
+TTR_HEADERS+=	invoke.h
+TTR_HEADERS+=	is_abstract.h
+TTR_HEADERS+=	is_aggregate.h
+TTR_HEADERS+=	is_allocator.h
+TTR_HEADERS+=	is_always_bitcastable.h
+TTR_HEADERS+=	is_arithmetic.h
+TTR_HEADERS+=	is_array.h
+TTR_HEADERS+=	is_assignable.h
+TTR_HEADERS+=	is_base_of.h
+TTR_HEADERS+=	is_bounded_array.h
+TTR_HEADERS+=	is_callable.h
+TTR_HEADERS+=	is_char_like_type.h
+TTR_HEADERS+=	is_class.h
+TTR_HEADERS+=	is_compound.h
+TTR_HEADERS+=	is_const.h
+TTR_HEADERS+=	is_constant_evaluated.h
+TTR_HEADERS+=	is_constructible.h
+TTR_HEADERS+=	is_convertible.h
+TTR_HEADERS+=	is_core_convertible.h
+TTR_HEADERS+=	is_destructible.h
+TTR_HEADERS+=	is_empty.h
+TTR_HEADERS+=	is_enum.h
+TTR_HEADERS+=	is_equality_comparable.h
+TTR_HEADERS+=	is_execution_policy.h
+TTR_HEADERS+=	is_final.h
+TTR_HEADERS+=	is_floating_point.h
+TTR_HEADERS+=	is_function.h
+TTR_HEADERS+=	is_fundamental.h
+TTR_HEADERS+=	is_implicitly_default_constructible.h
+TTR_HEADERS+=	is_integral.h
+TTR_HEADERS+=	is_literal_type.h
+TTR_HEADERS+=	is_member_function_pointer.h
+TTR_HEADERS+=	is_member_object_pointer.h
+TTR_HEADERS+=	is_member_pointer.h
+TTR_HEADERS+=	is_nothrow_assignable.h
+TTR_HEADERS+=	is_nothrow_constructible.h
+TTR_HEADERS+=	is_nothrow_convertible.h
+TTR_HEADERS+=	is_nothrow_destructible.h
+TTR_HEADERS+=	is_null_pointer.h
+TTR_HEADERS+=	is_object.h
+TTR_HEADERS+=	is_pod.h
+TTR_HEADERS+=	is_pointer.h
+TTR_HEADERS+=	is_polymorphic.h
+TTR_HEADERS+=	is_primary_template.h
+TTR_HEADERS+=	is_reference.h
+TTR_HEADERS+=	is_reference_wrapper.h
+TTR_HEADERS+=	is_referenceable.h
+TTR_HEADERS+=	is_same.h
+TTR_HEADERS+=	is_scalar.h
+TTR_HEADERS+=	is_scoped_enum.h
+TTR_HEADERS+=	is_signed.h
+TTR_HEADERS+=	is_signed_integer.h
+TTR_HEADERS+=	is_specialization.h
+TTR_HEADERS+=	is_standard_layout.h
+TTR_HEADERS+=	is_swappable.h
+TTR_HEADERS+=	is_trivial.h
+TTR_HEADERS+=	is_trivially_assignable.h
+TTR_HEADERS+=	is_trivially_constructible.h
+TTR_HEADERS+=	is_trivially_copyable.h
+TTR_HEADERS+=	is_trivially_destructible.h
+TTR_HEADERS+=	is_trivially_lexicographically_comparable.h
+TTR_HEADERS+=	is_trivially_relocatable.h
+TTR_HEADERS+=	is_unbounded_array.h
+TTR_HEADERS+=	is_union.h
+TTR_HEADERS+=	is_unsigned.h
+TTR_HEADERS+=	is_unsigned_integer.h
+TTR_HEADERS+=	is_valid_expansion.h
+TTR_HEADERS+=	is_void.h
+TTR_HEADERS+=	is_volatile.h
+TTR_HEADERS+=	lazy.h
+TTR_HEADERS+=	make_32_64_or_128_bit.h
+TTR_HEADERS+=	make_const_lvalue_ref.h
+TTR_HEADERS+=	make_signed.h
+TTR_HEADERS+=	make_unsigned.h
+TTR_HEADERS+=	maybe_const.h
+TTR_HEADERS+=	nat.h
+TTR_HEADERS+=	negation.h
+TTR_HEADERS+=	noexcept_move_assign_container.h
+TTR_HEADERS+=	promote.h
+TTR_HEADERS+=	rank.h
+TTR_HEADERS+=	remove_all_extents.h
+TTR_HEADERS+=	remove_const.h
+TTR_HEADERS+=	remove_const_ref.h
+TTR_HEADERS+=	remove_cv.h
+TTR_HEADERS+=	remove_cvref.h
+TTR_HEADERS+=	remove_extent.h
+TTR_HEADERS+=	remove_pointer.h
+TTR_HEADERS+=	remove_reference.h
+TTR_HEADERS+=	remove_volatile.h
+TTR_HEADERS+=	result_of.h
+TTR_HEADERS+=	strip_signature.h
+TTR_HEADERS+=	type_identity.h
+TTR_HEADERS+=	type_list.h
+TTR_HEADERS+=	underlying_type.h
+TTR_HEADERS+=	unwrap_ref.h
+TTR_HEADERS+=	void_t.h
+.for hdr in ${TTR_HEADERS}
+TTR+=		${HDRDIR}/__type_traits/${hdr}
+.endfor
+
+INCSGROUPS+=	UTL
+UTLDIR=		${CXXINCLUDEDIR}/__utility
+UTL_HEADERS+=	as_const.h
+UTL_HEADERS+=	as_lvalue.h
+UTL_HEADERS+=	auto_cast.h
+UTL_HEADERS+=	cmp.h
+UTL_HEADERS+=	convert_to_integral.h
+UTL_HEADERS+=	declval.h
+UTL_HEADERS+=	empty.h
+UTL_HEADERS+=	exception_guard.h
+UTL_HEADERS+=	exchange.h
+UTL_HEADERS+=	forward.h
+UTL_HEADERS+=	forward_like.h
+UTL_HEADERS+=	in_place.h
+UTL_HEADERS+=	integer_sequence.h
+UTL_HEADERS+=	is_pointer_in_range.h
+UTL_HEADERS+=	is_valid_range.h
+UTL_HEADERS+=	move.h
+UTL_HEADERS+=	no_destroy.h
+UTL_HEADERS+=	pair.h
+UTL_HEADERS+=	piecewise_construct.h
+UTL_HEADERS+=	priority_tag.h
+UTL_HEADERS+=	private_constructor_tag.h
+UTL_HEADERS+=	rel_ops.h
+UTL_HEADERS+=	small_buffer.h
+UTL_HEADERS+=	swap.h
+UTL_HEADERS+=	to_underlying.h
+UTL_HEADERS+=	unreachable.h
+.for hdr in ${UTL_HEADERS}
+UTL+=		${HDRDIR}/__utility/${hdr}
+.endfor
+
+INCSGROUPS+=	VAR
+VARDIR=	${CXXINCLUDEDIR}/__variant
+VAR_HEADERS+=	monostate.h
+.for hdr in ${VAR_HEADERS}
+VAR+=		${HDRDIR}/__variant/${hdr}
+.endfor
+
+INCSGROUPS+=	EXP
+EXPDIR=		${CXXINCLUDEDIR}/experimental
+EXP_HEADERS+=	__config
+EXP_HEADERS+=	iterator
+EXP_HEADERS+=	memory
+EXP_HEADERS+=	propagate_const
+EXP_HEADERS+=	simd
+EXP_HEADERS+=	type_traits
+EXP_HEADERS+=	utility
+.for hdr in ${EXP_HEADERS}
+EXP+=		${HDRDIR}/experimental/${hdr}
+.endfor
+
+INCSGROUPS+=	EXS
+EXSDIR=		${CXXINCLUDEDIR}/experimental/__simd
+EXS_HEADERS+=	aligned_tag.h
+EXS_HEADERS+=	declaration.h
+EXS_HEADERS+=	reference.h
+EXS_HEADERS+=	scalar.h
+EXS_HEADERS+=	simd.h
+EXS_HEADERS+=	simd_mask.h
+EXS_HEADERS+=	traits.h
+EXS_HEADERS+=	utility.h
+EXS_HEADERS+=	vec_ext.h
+.for hdr in ${EXS_HEADERS}
+EXS+=		${HDRDIR}/experimental/__simd/${hdr}
+.endfor
+
+INCSGROUPS+=	EXT
+EXTDIR=		${CXXINCLUDEDIR}/ext
+EXT_HEADERS+=	__hash
+EXT_HEADERS+=	hash_map
+EXT_HEADERS+=	hash_set
+.for hdr in ${EXT_HEADERS}
+EXT+=		${HDRDIR}/ext/${hdr}
+.endfor
+
+.include <bsd.lib.mk>