bug#27736: OSX 10.6.8: Building from master branch fails.

[Charles A. Roelli]

> From: Glenn Morris <rgm@gnu.org>
> Date: Wed, 28 Mar 2018 13:15:16 -0400
> 
> Paul Eggert wrote:
> 
> > I noticed this problem when preparing a patch to catch this sort of
> > issue. To fix this particular instance of the problem, I attempted to
> > migrate the localtime workaround into editfns.c (so that the fix is
> > more-general, and is not limited to org-clock), by installing the
> > attached patches into master. Please give them a try, since I don't
> > have easy access to Mac OS X. I'm still a bit fuzzy on exactly which
> > timestamps cause Mac OS X localtime to go belly-up (is it timezone
> > dependent?), so quite possibly the magic numbers in these patches need
> > to be adjusted a bit so that the code will work in any timezone from
> > TZ=AAA-24:59:59 to TZ=ZZZ24:59:59; please let me know.
> 
> The relevant org-clock.el code had been deleted in Org two months ago,
> a change which was synced to Emacs today.
> 
> (Another example of my pet peeve, code in two repos being inefficient
> for developers.)

Thanks for noticing this, and for handling the merge.