HAVE_TZNAME problem with shellutils-1.7

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Article #663

#663

From: Robert S. Maier
Date: Fri, 28 Aug 1992 00:42

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Under DG/UX 5.4 on a Data General Aviion, shellutils-1.7 compiles and runs,
out of the box, except for one small problem: date(1) coredumps.  I traced
this problem to an omission in the autoconfigured Makefile.

DG/UX has tzname, but the automatically configured Makefile didn't contain
-DHAVE_TZNAME.  This caused a problem with lib/strftime.c: the function
zone_name() was unnecessarily included and compiled.  zone_name calls
timezone(), but calling timezone() in DG/UX seems not to work.
It's an undocumented function, anyway.

The problem is ultimately due to a bug in the configure script.  It checks
for tzname only if tm_zone is present in struct tm.  I see no reason for
this.  DG/UX has no tm_zone in struct tm, so HAVE_TZNAME never got set.

My recommendation: fix configure (and also, the documentation line in the
Makefile) so that HAVE_TM_ZONE and HAVE_TZNAME are truly independent.  Any
given system may have one but not the other.

-- 
Robert S. Maier   | Internet: rsm@math.arizona.edu, rsm@cs.arizona.edu
Dept. of Math.    | UUCP: uunet!arizona!amethyst!rsm
Univ. of Arizona  | Bitnet: maier@arizvms
Tucson, AZ  85721 | FAX: +1 602 621 8322
U.S.A.            | Voice(POTS): +1 602 621 6893  /  +1 602 621 2617

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Newsgroups: gnu.utils.bug
Path: arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!math.arizona.edu!rsm
From: rsm@math.arizona.edu (Robert S. Maier)
Subject: HAVE_TZNAME problem with shellutils-1.7
Message-ID: <RSM.92Aug27174207@coral.math.arizona.edu>
Sender: gnulists@ai.mit.edu
Organization: Mathematics Department, University of Arizona
Distribution: gnu
Date: Fri, 28 Aug 1992 00:42:07 GMT
Approved: bug-gnu-utils@prep.ai.mit.edu
Lines: 25