Re: Configure test for whether localtime caches TZ

[Ken Brown]

On 10/31/2010 2:30 PM, Glenn Morris wrote:
> Ken Brown wrote:
>
> > The configure test for whether localtime caches TZ directly modifies
> > the environment and so (according to POSIX) might produce unreliable
> > results.  Wouldn't it be better to use unsetenv, as in the following
> > patch (against the emacs-23 branch):
>
> Seems better, assuming it is portable. Not worth putting in emacs-23
> IMO though, since the current code has been there for decades with no
> (?) reported problems.

It should be more portable than the existing code.  I've checked it into 
the trunk.