[OE-core] [PATCH] runqemu: when tunctl can't be found, say what package builds it

[Ross Burton]

If runqemu is used without actually building any qemu images (i.e. you
downloaded the images) it's likely that qemu-helper-native hasn't been built.
Instead of just saying what command can't be found, tell the user how to solve
their problem.

Signed-off-by: Ross Burton <ross.burton at intel.com>
---
 scripts/runqemu-ifdown |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/runqemu-ifdown b/scripts/runqemu-ifdown
index 710d297..8b8c5a4 100755
--- a/scripts/runqemu-ifdown
+++ b/scripts/runqemu-ifdown
@@ -45,7 +45,7 @@ NATIVE_SYSROOT_DIR=$2
 
 TUNCTL=$NATIVE_SYSROOT_DIR/usr/bin/tunctl
 if [ ! -e "$TUNCTL" ]; then
-	echo "Error: Unable to find tunctl binary in '$NATIVE_SYSROOT_DIR/usr/bin'"
+	echo "Error: Unable to find tunctl binary in '$NATIVE_SYSROOT_DIR/usr/bin', please bitbake qemu-helper-native"
 	exit 1
 fi
 
-- 
1.7.10.4