[src/trunk]: src/external/bsd/tcpdump/dist make pcap_debug weak.

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

details:   https://anonhg.NetBSD.org/src/rev/01e10ee38698
branches:  trunk
changeset: 995464:01e10ee38698
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Dec 24 02:39:12 2018 +0000

description:
make pcap_debug weak.

diffstat:

 external/bsd/tcpdump/dist/tcpdump.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (25 lines):

diff -r b7de2ce3217b -r 01e10ee38698 external/bsd/tcpdump/dist/tcpdump.c
--- a/external/bsd/tcpdump/dist/tcpdump.c       Mon Dec 24 02:07:44 2018 +0000
+++ b/external/bsd/tcpdump/dist/tcpdump.c       Mon Dec 24 02:39:12 2018 +0000
@@ -30,7 +30,7 @@
 static const char copyright[] _U_ =
     "@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000\n\
 The Regents of the University of California.  All rights reserved.\n";
-__RCSID("$NetBSD: tcpdump.c,v 1.16 2017/09/08 14:01:13 christos Exp $");
+__RCSID("$NetBSD: tcpdump.c,v 1.17 2018/12/24 02:39:12 christos Exp $");
 #endif
 
 /*
@@ -261,9 +261,10 @@
 pcap_set_parser_debug(int value)
 {
 #ifdef HAVE_PCAP_DEBUG
-       extern int pcap_debug;
+       extern int pcap_debug __weak;
 
-       pcap_debug = value;
+       if (&pcap_debug)
+               pcap_debug = value;
 #else /* HAVE_PCAP_DEBUG */
        extern int yydebug;