[Bug modula2/110779] SysClock can not read the clock

["cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110779

--- Comment #11 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-13 branch has been updated by Gaius Mulley
<gaius@gcc.gnu.org>:

https://gcc.gnu.org/g:9043e8a8d82ac2afaf8b5fcdfcbbd12f759b14d4

commit r13-7702-g9043e8a8d82ac2afaf8b5fcdfcbbd12f759b14d4
Author: Gaius Mulley <gaiusmod2@gmail.com>
Date:   Wed Aug 9 11:19:50 2023 +0100

    PR modula2/110779: libgm2 fix solaris bootstrap check for tm_gmtoff

    This patch defensively checks for every C function and every struct
    used in wrapclock.cc.  It adds return values to GetTimespec and
    SetTimespec to allow the module to return a code representing
    unavailable.

    gcc/m2/ChangeLog:

            PR modula2/110779
            * gm2-libs-iso/SysClock.mod (GetClock): Test GetTimespec
            return value.
            (SetClock): Test SetTimespec return value.
            * gm2-libs-iso/wrapclock.def (GetTimespec): Add integer
            return type.
            (SetTimespec): Add integer return type.

    libgm2/ChangeLog:

            PR modula2/110779
            * config.h.in: Regenerate.
            * configure: Regenerate.
            * configure.ac (AC_CACHE_CHECK): Check for tm_gmtoff field in
            struct tm.
            (GM2_CHECK_LIB): Check for daylight, timezone and tzname.
            * libm2iso/wrapclock.cc (timezone): Guard against absence of
            struct tm and tm_gmtoff.
            (daylight): Check for daylight.
            (timezone): Check for timezone.
            (isdst): Check for isdst.
            (tzname): Check for tzname.
            (GetTimeRealtime): Check for struct timespec.
            (SetTimeRealtime): Check for struct timespec.
            (InitTimespec): Check for struct timespec.
            (KillTimespec): Check for struct timespec.
            (SetTimespec): Check for struct timespec.
            (GetTimespec): Check for struct timespec.

    Signed-off-by: Gaius Mulley <gaiusmod2@gmail.com>