From 1c165067af72e4e972ad683af1e9112e1f790483 Mon Sep 17 00:00:00 2001
From: Marian Pritsak <marianp@mellanox.com>
Date: Thu, 27 Jul 2017 07:52:12 +0300
Subject: [PATCH] [Makefile]: Remove lockfile before build (#847)

In case previous build was forcefully stopped, we need to remove screen
lock so that build won't be stuck.

Signed-off-by: marian-pritsak <marianp@mellanox.com>
---
 Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Makefile b/Makefile
index 8742e329f0..ee3c292732 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,9 @@ SHELL = /bin/bash
 USER := $(shell id -un)
 PWD := $(shell pwd)
 
+# Remove lock file in case previous run was forcefully stopped
+$(shell rm -f .screen)
+
 MAKEFLAGS += -B
 
 SLAVE_TAG = $(shell shasum sonic-slave/Dockerfile | awk '{print substr($$1,0,11);}')