Merge pull request #2035 from taosdata/hotfix/sangshuduo/support-glibc-2.17-and-earlier-version

support glibc 2.17 (default version of CentOS7).

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"

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
 

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
 

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