Re: localtime()

On Mon, Dec 5, 2011 at 12:09 AM, R.L. Horn <[email protected]> wrote:
> On Sun, 4 Dec 2011, Jorge Almeida wrote:
>
>> Subtracting 24s (each second, in a "wall-clock" program) is not ideal but
>> it does the job.
>
>
> A better interim fix is probably to link against tzlib.  Fetch the sources
> from:
>
>  ftp://ftp.iana.org/tz/releases/
>
> You want the most recent tzcode and tzdata tarballs (tzcode2011i.tar.gz and
> tzdata2011n.tar.gz are what I used).
>
> Untar them into some empty directory, then compile the library with
> something like:
>
>  make cc='diet gcc' \
>    TZDIR=/usr/share/zoneinfo TOPDIR=`pwd` `pwd`/lib/libtz.a
>
> Where TZDIR, naturally, is set to the location of your zoneinfo directory.
>
> You should now have a usable library in lib/libtz.a.  Simply link your
> programs against it.
>
> I tried it against test/time/tst-posixtz.c and everything passed except the
> tzset() test (linking against dietlibc alone produced all FAILs).
>
> The only caveat is that you'll have to set a TZ environment variable, as the
> tzlib functions don't respect the /etc/localtime symlink.

Thanks, I'll try that.

>
> If this mail doesn't get rejected by Felix's servers as spam, I'll take a
> look at the dietlibc code later.

I only received one copy of your messages, I don't know whether your
message didn't make it to the list or is just Gmail that's dropping
one. I'm replying to you with copy to the list.

Jorge