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This splits off support for the C23 keywords alignas and alignof,
from the now-deprecated stdalign module. The latter now merely
provides C11 support.
* MODULES.html.sh, NEWS, doc/gnulib.texi:
* doc/posix-headers/stdalign.texi: Document the change.
* lib/stdalign.in.h: Remove most of the definitions (which are now
supplied by the alignasof module), leaving only
__alignas_is_defined and __alignof_is_defined.
* modules/alignasof, modules/alignasof-tests: New files.
* m4/stdalign.m4 (gl_ALIGNASOF): New macro, with
most of the contents of the old gl_STDALIGN_H.
Do not define __alignas_is_defined or __alignof_is_defined.
(gl_STDALIGN_H): Rely on gl_ALIGNASOF for most of the work.
* modules/alignalloc, modules/alignof, modules/argp:
* modules/crypto/md4-buffer, modules/crypto/md5-buffer:
* modules/crypto/sha1-buffer, modules/crypto/sha256-buffer:
* modules/crypto/sha512-buffer, modules/crypto/sm3-buffer:
* modules/fts, modules/rawmemchr, modules/relocatable-prog-wrapper:
* modules/stddef-tests, modules/sys_socket:
Depend on alignasof, not stdalign.
* modules/stdalign: Deprecate. Depend on alignasof.
* modules/stdalign-tests: Move most contents to the new module
alignasof-tests, and depend on that.
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Where it’s easy, prefer ‘static_assert’ to ‘verify’,
as this simplifies the source by removing the need to
include verify.h. Keep using ‘verify’ if verify.h
is used for other reasons, or if code is shared with glibc.
* lib/alignalloc.c, lib/argmatch.h, lib/c32is-impl.h:
* lib/c32snrtombs.c, lib/c32srtombs.c, lib/exclude.c:
* lib/filevercmp.c, lib/fma.c, lib/i-ring.h, lib/ino-map.c:
* lib/localeinfo.c, lib/malloca.c, lib/mbrtoc32.c, lib/mbrtowc.c:
* lib/mbsinit.c, lib/mbsnrtoc32s.c, lib/mbsrtoc32s.c:
* lib/nanosleep.c, lib/parse-datetime.y, lib/pipe2.c:
* lib/rawmemchr.c, lib/relocwrapper.c, lib/sleep.c:
* lib/stat-w32.c, lib/strerror.c, lib/strtoimax.c:
* lib/utimecmp.c, lib/vasnprintf.c, tests/test-alignof.c:
* tests/test-intprops.c, tests/test-libgmp.c:
* tests/test-limits-h.c, tests/test-locale.c:
* tests/test-pthread.c, tests/test-round2.c:
* tests/test-stdalign.c, tests/test-stddef.c, tests/test-stdio.c:
* tests/test-stdlib.c, tests/test-string.c, tests/test-sys_stat.c:
* tests/test-time.c, tests/test-uchar.c, tests/test-unistd.c:
* tests/test-wchar.c:
Prefer static_assert to verify, and stop including verify.h.
* lib/stat.c: Don’t include verify.h (this include was unnecessary).
* modules/alignalloc, modules/alignof-tests, modules/argmatch:
* modules/c-vasnprintf, modules/c32isalnum, modules/c32isalpha:
* modules/c32isblank, modules/c32iscntrl, modules/c32isdigit:
* modules/c32isgraph, modules/c32islower, modules/c32isprint:
* modules/c32ispunct, modules/c32isspace, modules/c32isupper:
* modules/c32isxdigit, modules/c32snrtombs, modules/c32srtombs:
* modules/exclude, modules/filevercmp, modules/fma, modules/fmaf:
* modules/fmal, modules/fstat, modules/i-ring, modules/ino-map:
* modules/intprops-tests, modules/libgmp-tests:
* modules/limits-h-tests, modules/locale-tests, modules/malloca:
* modules/mbrtoc32, modules/mbrtowc, modules/mbsinit:
* modules/mbsnrtoc32s, modules/mbsrtoc32s, modules/nanosleep:
* modules/parse-datetime, modules/pipe2, modules/pthread-h-tests:
* modules/rawmemchr, modules/relocatable-prog-wrapper:
* modules/round-tests, modules/roundf-tests, modules/sleep:
* modules/stat, modules/stdalign-tests, modules/stdckdint-tests:
* modules/stddef-tests, modules/stdio-tests, modules/stdlib-tests:
* modules/strerror, modules/string-tests, modules/strtoimax:
* modules/strtoumax, modules/sys_stat-tests, modules/time-tests:
* modules/uchar-tests, modules/unistd-tests:
* modules/unistdio/u16-u16-vasnprintf:
* modules/unistdio/u16-vasnprintf:
* modules/unistdio/u32-u32-vasnprintf:
* modules/unistdio/u32-vasnprintf:
* modules/unistdio/u8-u8-vasnprintf:
* modules/unistdio/u8-vasnprintf, modules/unistdio/ulc-vasnprintf:
* modules/utimecmp, modules/vasnprintf, modules/wchar-tests:
Depend on assert-h, not verify.
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stdckdint.h is part of draft C23 and therefore is more likely
to be familiar to programmers in the future, so prefer it to
intprops.h in files that don’t need non-_WRAPV intprops.h macros.
* lib/alignalloc.c, lib/backupfile.c, lib/fnmatch.c, lib/fnmatch_loop.c:
* lib/group-member.c, lib/malloca.c, lib/posixtm.c, lib/reallocarray.c:
* lib/xmalloc.c:
For files that can use stdckdint.h just as easily as intprops.h,
include the former instead of the latter, and use the former’s
ckd_* macros instead of the latter’s *_WRAPV macros.
* modules/alignalloc, modules/backup-rename, modules/backupfile:
* modules/fnmatch, modules/group-member, modules/malloca:
* modules/posixtm, modules/reallocarray:
* modules/relocatable-prog-wrapper, modules/xalloc:
Depend on stdckdint instead of intprops.
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