From 49cbb576f142032e1fb687a58284a1d032d87770 Mon Sep 17 00:00:00 2001
From: renmingshuai <renmingshuai@huawei.com>
Date: Fri, 30 Jul 2021 21:35:20 +0800
Subject: [PATCH] fix multiple definition with gcc 10

---
 client/dhclient.c | 4 ++--
 relay/dhcrelay.c  | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/client/dhclient.c b/client/dhclient.c
index 2a17bfd..f2c2630 100644
--- a/client/dhclient.c
+++ b/client/dhclient.c
@@ -93,8 +93,8 @@ static const char message [] = "Internet Systems Consortium DHCP Client";
 static const char url [] = "For info, please visit https://www.isc.org/software/dhcp/";
 #endif /* UNIT_TEST */
 
-u_int16_t local_port = 0;
-u_int16_t remote_port = 0;
+extern u_int16_t local_port;
+extern u_int16_t remote_port;
 #if defined(DHCPv6) && defined(DHCP4o6)
 int dhcp4o6_state = -1; /* -1 = stopped, 0 = polling, 1 = started */
 #endif
diff --git a/relay/dhcrelay.c b/relay/dhcrelay.c
index 155dd37..b487373 100644
--- a/relay/dhcrelay.c
+++ b/relay/dhcrelay.c
@@ -104,8 +104,8 @@ enum { forward_and_append,	/* Forward and append our own relay option. */
        forward_untouched,	/* Forward without changes. */
        discard } agent_relay_mode = forward_and_replace;
 
-u_int16_t local_port;
-u_int16_t remote_port;
+extern u_int16_t local_port;
+extern u_int16_t remote_port;
 
 /* Relay agent server list. */
 struct server_list {
-- 
1.8.3.1