From 3b2966e72c414592cd2c86c21a0d4664cf627b9c Mon Sep 17 00:00:00 2001
From: Roger Pau Monne <roger.pau@citrix.com>
Date: Wed, 8 Nov 2017 12:52:57 +0000
Subject: [PATCH] libevtchn: fix build on non-Linux hosts
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Non-Linux hosts (where osdep_evtchn_restrict is not yet supported)
made use of errno without including errno.h, fix this by including the
header.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Release-acked-by: Julien Grall <julien.grall@linaro.org>
---
 tools/libs/evtchn/freebsd.c | 1 +
 tools/libs/evtchn/netbsd.c  | 1 +
 tools/libs/evtchn/solaris.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/tools/libs/evtchn/freebsd.c b/tools/libs/evtchn/freebsd.c
index ba82f06311..6564ed4c44 100644
--- a/tools/libs/evtchn/freebsd.c
+++ b/tools/libs/evtchn/freebsd.c
@@ -19,6 +19,7 @@
  * Split off from xc_freebsd_osdep.c
  */
 
+#include <errno.h>
 #include <fcntl.h>
 #include <unistd.h>
 
diff --git a/tools/libs/evtchn/netbsd.c b/tools/libs/evtchn/netbsd.c
index 5ce3a35f80..8b8545d2f9 100644
--- a/tools/libs/evtchn/netbsd.c
+++ b/tools/libs/evtchn/netbsd.c
@@ -19,6 +19,7 @@
  * Split out from xc_netbsd.c
  */
 
+#include <errno.h>
 #include <fcntl.h>
 #include <unistd.h>
 
diff --git a/tools/libs/evtchn/solaris.c b/tools/libs/evtchn/solaris.c
index f718989450..dd41f62a24 100644
--- a/tools/libs/evtchn/solaris.c
+++ b/tools/libs/evtchn/solaris.c
@@ -19,6 +19,7 @@
  * Split out from xc_solaris.c
  */
 
+#include <errno.h>
 #include <fcntl.h>
 #include <unistd.h>
 
-- 
2.30.2