From 984ab3b24a92bf38fc5f177e7bbff4e8bcb76340 Mon Sep 17 00:00:00 2001
From: Kainan Cha <kainan.cha@verisilicon.com>
Date: Tue, 26 Jan 2021 06:50:26 -0800
Subject: [PATCH] Update build instruction in README

Signed-off-by: Kainan Cha <kainan.cha@verisilicon.com>
---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index cc9a29d..fa06bd2 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,9 @@ bazel build libtim-vx.so
 
 To run sample LeNet
 ```shell
+# set VIVANTE_SDK_DIR for runtime compilation environment
+export VIVANTE_SDK_DIR=`pwd`/prebuilt-sdk/x86_64_linux
+
 bazel build //samples/lenet:lenet_asymu8_cc
 bazel run //samples/lenet:lenet_asymu8_cc
 ```