[src/trunk]: src/share/zoneinfo do not overwrite ${ZIC} if it is already set.

[mrg <mrg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/aba0453cb265
branches:  trunk
changeset: 520231:aba0453cb265
user:      mrg <mrg%NetBSD.org@localhost>
date:      Sat Jan 05 07:35:20 2002 +0000

description:
do not overwrite ${ZIC} if it is already set.

diffstat:

 share/zoneinfo/Makefile |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 2931be9cae46 -r aba0453cb265 share/zoneinfo/Makefile
--- a/share/zoneinfo/Makefile   Sat Jan 05 07:34:08 2002 +0000
+++ b/share/zoneinfo/Makefile   Sat Jan 05 07:35:20 2002 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.27 2001/12/12 12:24:23 lukem Exp $
+#      $NetBSD: Makefile,v 1.28 2002/01/05 07:35:20 mrg Exp $
 
 NOOBJ= # defined
 
@@ -50,7 +50,7 @@
 DATA=          $(YDATA) $(NDATA) $(SDATA) leapseconds # yearistype.sh
 USNO=          usno1988 usno1989
 
-ZIC=zic
+ZIC?=zic
 
 .PHONY:        posix_only
 posix_only: ${TDATA}