compile errors on timezone database

[Martin Smoot]

it might be a good idea for the next revision of the database to make a
modification to zic to include the handling of a new "expectzicversion" line in
the various data files.  if we had a switch like this now, each file could
contain something like this:

#
# This file expects a version of zic that is 7.95 or later
# if you are running an older version, upgrading is recommended
# but you can continue to run with the older version if this
# line is removed but some data may not be converted correctly.
#
expectzicversion 7.95

when I ran with an expectzicversion line added to one of the files (as a test),
I got an error message and the program aborted.

the advantage to a line like this is that it would encourage people to upgrade
zic (thus preventing/correcting many possible problems) and would allow a future
change which requires a new zic to work correctly to be very quickly identified.

Rodrigo Severo wrote:
> 
> Olson, Arthur David (NIH/NCI) wrote:
> 
> >Another possibility is to change the spelling of...
> >       24:00
> >...to...
> >       23:59:60
> >...which works with any version of zic issued 1988 or later.
> >Let's hear it for leap seconds!
> >
> >
> 
> As the support for the 24:00 notation has been introduced 5 years ago I
> suggest that anyone with the 24:00-support problem is simply encouraged
> to update his zic to a >= 7.95 version.
> 
> My 2 cents,
> 
> Rodrigo Severo
> 
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-- 
Martin Smoot
Network Storage Solutions
703-834-2242
msmoot at nssolutions.com         www.nssolutions.com