Timezone problems / HAVE_INT_TIMEZINE

Thomas G. Lockhart wrote:

> The 19 year differences usually seem to come from mis-handling the
> HAVE_INT_TIMEZONE compile-time option. How is yours set? Try changing it
> in config.h and see if it helps.
>

Couldn't this be tested for, just like there is a "flex test" which finds
out if flex is ok or not?
Can the configure script find out and add HAVE_INT_TIMEZONE if appropriate?

/* m */