From 6b5706d1f9ce7a3fd4d8f819ff8f3fd789665647 Mon Sep 17 00:00:00 2001
From: Richard Purdie <richard.purdie@linuxfoundation.org>
Date: Thu, 1 Sep 2011 22:04:48 +0100
Subject: scripts: Show sensible warning messages if expected binaries don't
 exist

[YOCTO #1438]

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 scripts/runqemu-gen-tapdevs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'scripts/runqemu-gen-tapdevs')

diff --git a/scripts/runqemu-gen-tapdevs b/scripts/runqemu-gen-tapdevs
index 9f313879e..15bccd448 100755
--- a/scripts/runqemu-gen-tapdevs
+++ b/scripts/runqemu-gen-tapdevs
@@ -62,6 +62,10 @@ if [ -z "$IFCONFIG" ]; then
 	# Is it ever anywhere else?
 	IFCONFIG=/sbin/ifconfig
 fi
+if [ ! -x "$IFCONFIG" ]; then
+       echo "$IFCONFIG cannot be executed"
+       exit 1
+fi
 
 # Ensure we start with a clean slate
 for tap in `$IFCONFIG | grep ^tap | awk '{ print \$1 }'`; do
-- 
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