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

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

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

--- Comment #15 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-13 branch has been updated by Gaius Mulley
<ga...@gcc.gnu.org>:

https://gcc.gnu.org/g:a11ca333df2b6abb4187b39f32bb35a195d8fb33

commit r13-7716-ga11ca333df2b6abb4187b39f32bb35a195d8fb33
Author: Gaius Mulley <gaiusm...@gmail.com>
Date:   Sat Aug 12 20:20:45 2023 +0100

    PR modula2/110779 SysClock can not read the clock (Darwin fixes)

    This patch adds corrections to defensively check against glibc
    functions, structures and contains fallbacks.  These fixes were
    required under Darwin.

    gcc/m2/ChangeLog:

            PR modula2/110779
            * gm2-libs-iso/SysClock.mod (EpochTime): New procedure.
            (GetClock): Call EpochTime if the C time functions are
            unavailable.
            * gm2-libs-iso/wrapclock.def (istimezone): New function
            definition.

    libgm2/ChangeLog:

            PR modula2/110779
            * configure: Regenerate.
            * configure.ac: Provide special case test for Darwin cross
            configuration.
            (GLIBCXX_CONFIGURE): New statement.
            (GLIBCXX_CHECK_GETTIMEOFDAY): New statement.
            (GLIBCXX_ENABLE_LIBSTDCXX_TIME): New statement.
            * libm2iso/wrapclock.cc: New sys/time.h conditional include.
            (sys/syscall.h): Conditional include.
            (unistd.h): Conditional include.
            (GetTimeRealtime): Re-implement.
            (SetTimeRealtime): Re-implement.
            (timezone): Re-implement.
            (istimezone): New function.
            (daylight): Re-implement.
            (isdst): Re-implement.
            (tzname): Re-implement.

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