From 7e67c76e2c5c9a5791de18e9d5ed131f03ef1681 Mon Sep 17 00:00:00 2001
From: "G.Y Feng" <40229765+GuanyunFeng@users.noreply.github.com>
Date: Mon, 18 Nov 2019 18:34:31 +0800
Subject: [PATCH] Update ubuntu_build_deps.sh

solve issue #387, "failed to create symbolic link '/usr/lib/x86_64-linux-gnu/libmysqlclient_r.so': File exists"
---
 core/ubuntu_build_deps.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/ubuntu_build_deps.sh b/core/ubuntu_build_deps.sh
index 911046aa1f..6f3fabc084 100755
--- a/core/ubuntu_build_deps.sh
+++ b/core/ubuntu_build_deps.sh
@@ -9,4 +9,6 @@ sudo apt-get -y update && sudo apt-get -y install intel-mkl-gnu-2019.5-281 intel
 sudo apt-get install -y gfortran libmysqlclient-dev mysql-client libcurl4-openssl-dev libboost-system-dev \
 libboost-filesystem-dev libboost-serialization-dev libboost-regex-dev
 
-sudo ln -s /usr/lib/x86_64-linux-gnu/libmysqlclient.so /usr/lib/x86_64-linux-gnu/libmysqlclient_r.so
+if [ ! -f "/usr/lib/x86_64-linux-gnu/libmysqlclient_r.so" ]; then
+    sudo ln -s /usr/lib/x86_64-linux-gnu/libmysqlclient.so /usr/lib/x86_64-linux-gnu/libmysqlclient_r.so
+fi