From 39406da3bcd70a746b7bb7d9b297052018d92ce9 Mon Sep 17 00:00:00 2001
From: Shuduo Sang <sangshuduo@gmail.com>
Date: Thu, 19 Nov 2020 11:05:23 +0800
Subject: [PATCH] [TD-2155] <fix>: fix compile error for centos 7.

---
 src/connector/odbc/src/todbc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/connector/odbc/src/todbc.c b/src/connector/odbc/src/todbc.c
index 953999c434..7de46a444e 100644
--- a/src/connector/odbc/src/todbc.c
+++ b/src/connector/odbc/src/todbc.c
@@ -16,6 +16,7 @@
 // #define _BSD_SOURCE
 #define _XOPEN_SOURCE
 #define _DEFAULT_SOURCE
+#define _GNU_SOURCE
 
 #include "taos.h"
 
-- 
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