From 5583060b00388b25979ba92642a29e7962a43315 Mon Sep 17 00:00:00 2001
From: Shuduo Sang <sdsang@taosdata.com>
Date: Mon, 25 May 2020 22:37:54 +0800
Subject: [PATCH] support glibc 2.17 (default version of CentOS7).

[TD-420]
---
 src/client/src/tscSQLParser.c   | 3 ++-
 src/kit/shell/src/shellEngine.c | 2 ++
 src/kit/shell/src/shellImport.c | 1 +
 src/util/src/ttime.c            | 1 +
 4 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 35a4937fd7..82460b6a76 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -13,7 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#define _XOPEN_SOURCE
+#define _BSD_SOURCE
+#define _XOPEN_SOURCE 500
 #define _DEFAULT_SOURCE
 
 #include "os.h"
diff --git a/src/kit/shell/src/shellEngine.c b/src/kit/shell/src/shellEngine.c
index ba5909923b..93818d7d73 100644
--- a/src/kit/shell/src/shellEngine.c
+++ b/src/kit/shell/src/shellEngine.c
@@ -13,6 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#define _BSD_SOURCE
+#define _GNU_SOURCE
 #define _XOPEN_SOURCE
 #define _DEFAULT_SOURCE
 
diff --git a/src/kit/shell/src/shellImport.c b/src/kit/shell/src/shellImport.c
index 2cbd07db4b..70660254a5 100644
--- a/src/kit/shell/src/shellImport.c
+++ b/src/kit/shell/src/shellImport.c
@@ -13,6 +13,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#define _GNU_SOURCE
 #define _XOPEN_SOURCE
 #define _DEFAULT_SOURCE
 
diff --git a/src/util/src/ttime.c b/src/util/src/ttime.c
index d34bf0e6ce..8355ed9dc1 100644
--- a/src/util/src/ttime.c
+++ b/src/util/src/ttime.c
@@ -13,6 +13,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#define _BSD_SOURCE
 #define _XOPEN_SOURCE
 #define _DEFAULT_SOURCE
 
-- 
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