diff -up qt-everywhere-opensource-src-4.8.7/src/sql/drivers/mysql/qsql_mysql.cpp.mariadb qt-everywhere-opensource-src-4.8.7/src/sql/drivers/mysql/qsql_mysql.cpp

--- qt-everywhere-opensource-src-4.8.7/src/sql/drivers/mysql/qsql_mysql.cpp.mariadb	2015-05-07 09:14:48.000000000 -0500

+++ qt-everywhere-opensource-src-4.8.7/src/sql/drivers/mysql/qsql_mysql.cpp	2017-10-23 14:13:15.871808984 -0500

@@ -1105,11 +1105,16 @@ static void qLibraryInit()

     }

 # endif // MYSQL_VERSION_ID

 #endif // Q_NO_MYSQL_EMBEDDED

+

+#if defined(MARIADB_BASE_VERSION) || defined(MARIADB_VERSION_ID)

+    qAddPostRoutine(mysql_server_end);

+#endif

 }

 static void qLibraryEnd()

 {

 #ifndef Q_NO_MYSQL_EMBEDDED

+#if !defined(MARIADB_BASE_VERSION) && !defined(MARIADB_VERSION_ID)

 # if MYSQL_VERSION_ID > 40000

 #  if (MYSQL_VERSION_ID >= 40110 && MYSQL_VERSION_ID < 50000) || MYSQL_VERSION_ID >= 50003

     mysql_library_end();

@@ -1118,6 +1123,7 @@ static void qLibraryEnd()

 #  endif

 # endif

 #endif

+#endif

 }

 QMYSQLDriver::QMYSQLDriver(QObject * parent)