GNU bug report logs - #27736
OSX 10.6.8: Building from master branch fails.

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: "Charles A. Roelli" <charles <at> aurox.ch>
Cc: Gnulib bugs <bug-gnulib <at> gnu.org>, esq <at> lawlist.com, 27736 <at> debbugs.gnu.org, npostavs <at> users.sourceforge.net
Subject: bug#27736: OSX 10.6.8: Building from master branch fails.
Date: Wed, 28 Mar 2018 14:29:38 -0700

[Message part 1 (text/plain, inline)]

On 03/28/2018 11:54 AM, Charles A. Roelli wrote:
>
> -            time_t t = -67768038400665600;
> +            time_t t = -67768038400666600;

Thanks, I did that in Gnulib and propagated the result into Emacs master 
(see attached patch).

> And then I got the following in the output of ./configure:
>
>    checking whether localtime loops forever near extrema... ./configure: line 30561: 35760 Alarm clock             TZ=QQQ0 ./conftest$EXEEXT

Thanks for mentioning that; I attempted to suppress the "Alarm clock" 
stuff in the attached patch too.

> I will try to find the exact boundary of the hang again.  And the hang
> is timezone-dependent, so that complicates things too.

I think we should be OK here, as the test case uses UTC so that it is 
reproducible. The use of UTC could explain why the abovementioned 
numeric change was needed.

[0001-time_rz-fix-workaround-for-Mac-OS-X-10.6-infloop.patch (text/x-patch, attachment)]

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