--- IO-AIO/config.h.in	2018/08/14 11:44:52	1.2
+++ IO-AIO/config.h.in	2018/08/14 11:50:43	1.3
@@ -78,6 +78,9 @@
 /* sync_file_range(2) is available */
 #undef HAVE_SYNC_FILE_RANGE
 
+/* Define to 1 if you have the <sys/mkdev.h> header file. */
+#undef HAVE_SYS_MKDEV_H
+
 /* Define to 1 if you have the <sys/prctl.h> header file. */
 #undef HAVE_SYS_PRCTL_H