Re: timespec_get: port to Ubuntu 23.04

[Bruno Haible]

> > If adopting GNULIB_POSIXCHECK for time-h would regularize 
> > things please feel free to do that.
> 
> Indeed, regularizing things would be useful:

Done through these two patches.


2023-07-29  Bruno Haible  <bruno@clisp.org>

        time-h: Simplify after 2017-05-01 change.
        * m4/time_h.m4 (gl_TIME_H_DEFAULTS): Don't provide a default value for
        GNULIB_GETTIMEOFDAY.

        time-h: Obey GNULIB_POSIXCHECK, not GNULIB_PORTCHECK.
        * lib/time.in.h (timespec_get, timespec_getres, time, nanosleep, tzset,
        mktime, localtime_r, gmtime_r, localtime, strptime, ctime, strftime,
        timegm): Add _GL_WARN_ON_USE invocation.
        (asctime, ctime): Don't assume that these functions are declared, since
        POSIX obsoletes them.
        * m4/time_h.m4 (gl_TIME_H): Test for the declarations of asctime, ctime,
        gmtime_r, localtime, localtime_r, mktime, nanosleep, strftime, strptime,
        time, timegm, timespec_get, timespec_getres, tzset.
        (gl_TIME_H_DEFAULTS): Initialize REPLACE_CTIME, REPLACE_LOCALTIME_R,
        REPLACE_MKTIME, REPLACE_NANOSLEEP, REPLACE_STRFTIME, REPLACE_TIMEGM,
        REPLACE_TIMESPEC_GET, REPLACE_TZSET with 0 instead of GNULIB_PORTCHECK.
        * m4/ctime.m4 (gl_FUNC_CTIME): Don't re-initialize REPLACE_CTIME.
        * m4/time_r.m4 (gl_TIME_R): Don't re-initialize REPLACE_LOCALTIME_R.
        * m4/mktime.m4 (gl_FUNC_MKTIME): Don't re-initialize REPLACE_MKTIME.
        * m4/nanosleep.m4 (gl_FUNC_NANOSLEEP): Don't re-initialize
        REPLACE_NANOSLEEP.
        * m4/strftime-fixes.m4 (gl_FUNC_STRFTIME): Don't re-initialize
        REPLACE_STRFTIME.
        * m4/timegm.m4 (gl_FUNC_TIMEGM): Don't re-initialize REPLACE_TIMEGM.
        * m4/timespec_get.m4 (gl_FUNC_TIMESPEC_GET): Don't re-initialize
        REPLACE_TIMESPEC_GET.
        * m4/tzset.m4 (gl_FUNC_TZSET: Don't re-initialize REPLACE_TZSET.

0001-time-h-Obey-GNULIB_POSIXCHECK-not-GNULIB_PORTCHECK.patch
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0002-time-h-Simplify-after-2017-05-01-change.patch
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