From 15f93dd90484532e25c8f3e43fb34a361a79d7f2 Mon Sep 17 00:00:00 2001
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From: Baruch Siach <baruch@tkos.co.il>
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Date: Fri, 9 Feb 2018 11:55:19 +0200
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Subject: [PATCH] Fix build with Linux kernel headers v4.15
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Linux kernel version 4.15 changed the libc/kernel headers suppression
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logic in a way that introduces collisions:
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In file included from ./../include/vrrp_ipaddress.h:32:0,
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from ./../include/vrrp_arp.h:31,
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from vrrp.c:29:
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/home/peko/autobuild/instance-1/output/host/arc-buildroot-linux-uclibc/sysroot/usr/include/linux/in.h:29:3: error: redeclaration of enumerator 'IPPROTO_IP'
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IPPROTO_IP = 0, /* Dummy protocol for TCP */
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^
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/home/peko/autobuild/instance-1/output/host/arc-buildroot-linux-uclibc/sysroot/usr/include/netinet/in.h:33:5: note: previous definition of 'IPPROTO_IP' was here
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IPPROTO_IP = 0, /* Dummy protocol for TCP. */
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^~~~~~~~~~
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Include the libc netinet/in.h header first to suppress the kernel
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header.
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In addition, add _GNU_SOURCE to vrrp.c for the libc provided in6_pktinfo
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definition.
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Signed-off-by: Baruch Siach <baruch@tkos.co.il>
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---
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Upstream status: https://github.com/acassen/keepalived/pull/777
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keepalived/include/vrrp_arp.h | 1 +
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keepalived/vrrp/vrrp.c | 1 +
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2 files changed, 2 insertions(+)
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diff --git a/keepalived/include/vrrp_arp.h b/keepalived/include/vrrp_arp.h
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index 77a26c450b12..a103ab075c1d 100644
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--- a/keepalived/include/vrrp_arp.h
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+++ b/keepalived/include/vrrp_arp.h
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@@ -24,6 +24,7 @@
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#define _VRRP_ARP_H
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/* system includes */
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+#include <netinet/in.h>
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#include <net/ethernet.h>
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#include <net/if_arp.h>
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diff --git a/keepalived/vrrp/vrrp.c b/keepalived/vrrp/vrrp.c
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index 3d2bfe41ab4f..435a4b54b2a9 100644
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--- a/keepalived/vrrp/vrrp.c
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+++ b/keepalived/vrrp/vrrp.c
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@@ -26,6 +26,7 @@
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#include "config.h"
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/* local include */
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+#define _GNU_SOURCE
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#include "vrrp_arp.h"
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#include "vrrp_ndisc.h"
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#include "vrrp_scheduler.h"
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--
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2.15.1
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