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Disable Gnulib’s non-Gregorian calendars

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Prepare for the next Gnulib merge by disabling the optional
support for non-Gregorian calendars recently added to Gnulib’s
nstrftime module.  This would be tricky to integrate with Emacs,
as Emacs has its own (much fancier) calendar system, one that at
least for the Persian calendar sometimes disagrees with Gnulib’s,
and it’s likely not worth the trouble of reconciling the conflicts.
* src/conf_post.h (SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME):
New macro, defined to false.
* admin/merge-gnulib (GNULIB_MODULES): nstrftime → nstrftime-limited.
(AVOIDED_MODULES): Add localcharset.
Near the end, also remove the files lib/calendar-ethiopian.h,
lib/calendar-persian.h, lib/calendar-thai.h, lib/calendars.h.
This commit is contained in:
Paul Eggert 2025-07-29 14:59:20 -07:00
parent 6eb6cdfbe5
commit 354f9ba754
2 changed files with 10 additions and 5 deletions
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10
admin/merge-gnulib
View file

@ -43,7 +43,7 @@ GNULIB_MODULES='
ieee754-h ignore-value intprops largefile libgmp lstat
malloc-gnu manywarnings memmem-simple mempcpy memrchr memset_explicit
minmax mkostemp mktime
nanosleep nproc nstrftime
nanosleep nproc nstrftime-limited
pathmax pipe2 pselect pthread_sigmask
qcopy-acl readlink readlinkat realloc-posix regex
sig2str sigdescr_np socklen stat-time std-gnu11
@ -58,7 +58,7 @@ GNULIB_MODULES='
AVOIDED_MODULES='
access btowc chmod close crypto/af_alg dup fchdir fstat gnulib-i18n
iswblank iswctype iswdigit iswxdigit langinfo-h libgmp-mpq
locale-h localename-unsafe-limited lock
localcharset locale-h localename-unsafe-limited lock
mbrtowc mbsinit memchr mkdir msvc-inval msvc-nothrow nl_langinfo
openat-die opendir pthread-h raise
save-cwd select setenv sigprocmask stat stdarg-h
@ -140,7 +140,11 @@ fi
"$gnulib_srcdir"/gnulib-tool --dir="$src" $GNULIB_TOOL_FLAGS \
$avoided_flags $GNULIB_MODULES &&
rm -- "$src"lib/gl_openssl.h \
rm -- "$src"lib/calendar-ethiopian.h \
"$src"lib/calendar-persian.h \
"$src"lib/calendar-thai.h \
"$src"lib/calendars.h \
"$src"lib/gl_openssl.h \
"$src"lib/stdio-read.c "$src"lib/stdio-write.c \
"$src"m4/fcntl-o.m4 \
"$src"m4/gl-openssl.m4 \

5
src/conf_post.h
View file

@ -380,9 +380,10 @@ extern int emacs_setenv_TZ (char const *);
# define UNINIT /* empty */
#endif
/* Emacs does not need glibc strftime behavior for AM and PM
indicators. */
/* Emacs needs neither glibc strftime behavior for AM and PM indicators,
nor Gnulib strftime support for non-Gregorian calendars. */
#define REQUIRE_GNUISH_STRFTIME_AM_PM false
#define SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME false
#ifdef MSDOS
/* These are required by file-has-acl.c but defined in dirent.h and