--- libgearman-server/plugins/queue/mysql/queue.cc.orig	2019-03-06 06:03:20.406340118 +0000

+++ libgearman-server/plugins/queue/mysql/queue.cc	2019-03-06 05:59:10.572752419 +0000

@@ -47,6 +47,9 @@

 #include <libgearman-server/plugins/queue/base.h>

 #include <mysql.h>

+#if !defined(my_bool) && MYSQL_VERSION_ID >= 80001 && MYSQL_VERSION_ID < 100100

+#define my_bool bool

+#endif

 #include <errmsg.h>

 #include <cerrno>