From d693b22733044d68e9974766b5c9e6259c9b1708 Mon Sep 17 00:00:00 2001
From: Anthony PERARD <anthony.perard@citrix.com>
Date: Tue, 12 Jul 2022 08:38:35 +0200
Subject: [PATCH] tools/helpers: fix build of xen-init-dom0 with -Werror

Missing prototype of asprintf() without _GNU_SOURCE.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Henry Wang <Henry.Wang@arm.com>
---
 tools/helpers/xen-init-dom0.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/helpers/xen-init-dom0.c b/tools/helpers/xen-init-dom0.c
index 37eff8868f..764f837887 100644
--- a/tools/helpers/xen-init-dom0.c
+++ b/tools/helpers/xen-init-dom0.c
@@ -1,3 +1,5 @@
+#define _GNU_SOURCE
+
 #include <stdlib.h>
 #include <stdint.h>
 #include <string.h>
-- 
2.30.2