--- rxvt-unicode/src/ev_cpp.h	2019/07/07 08:33:03	1.24
+++ rxvt-unicode/src/ev_cpp.h	2020/01/22 14:14:09	1.26
@@ -6,6 +6,8 @@
 #define EV_USE_KQUEUE 1
 #define EV_USE_PORT 1
 //#define EV_USE_LINUXAIO 1
+//#define EV_USE_IOURING 1
+//#define EV_USE_TIMERFD 0
 #define EV_PREPARE_ENABLE 1
 #define EV_IDLE_ENABLE 1
 #define EV_SIGNAL_ENABLE 1
@@ -16,7 +18,7 @@
 #include <config.h>
 
 #if ENABLE_FRILLS
-# define EV_FEATURES 1+2
+# define EV_FEATURES 1 | 2
 #else
 # define EV_FEATURES 0
 # define NDEBUG