From 27650c08aa9138a16c723c509e3b024119ff9c89 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Mon, 18 Sep 2017 08:26:04 +1000
Subject: [PATCH] Tools: autotest: use -z in place of -v for checking variable
 settedness

Some bash versions out there don't like -v
---
 Tools/autotest/run_in_terminal_window.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Tools/autotest/run_in_terminal_window.sh b/Tools/autotest/run_in_terminal_window.sh
index 9e6e1cb5f7..1790eb1499 100755
--- a/Tools/autotest/run_in_terminal_window.sh
+++ b/Tools/autotest/run_in_terminal_window.sh
@@ -7,7 +7,7 @@ name="$1"
 shift
 echo "RiTW: Starting $name : $*"
 
-if [ ! -v SITL_RITW_MINIMIZE ]; then
+if [ -z "$SITL_RITW_MINIMIZE" ]; then
     SITL_RITW_MINIMIZE=1
 fi