From a85b4ec90cf06866ed3947642a445ef7fe368c6a Mon Sep 17 00:00:00 2001
From: Guohan Lu <gulv@microsoft.com>
Date: Thu, 30 Nov 2017 11:09:08 +0000
Subject: [PATCH] exit immediately when shell commands fail

---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index 7595a36b0d1f..bc27ed3af6ab 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 .ONESHELL:
 SHELL = /bin/bash
+.SHELLFLAGS += -e
 
 KVERSION_SHORT ?= 4.9.0-3
 KVERSION ?= $(KVERSION_SHORT)-amd64