diff -urN syslinux-6.03.orig/extlinux/main.c syslinux-6.03/extlinux/main.c
--- syslinux-6.03.orig/extlinux/main.c	2014-10-06 11:27:44.000000000 -0500
+++ syslinux-6.03/extlinux/main.c	2019-01-17 09:59:11.331282998 -0600
@@ -38,6 +38,7 @@
 #include <sysexits.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>
+#include <sys/sysmacros.h>
 #include <sys/types.h>
 #include <sys/mount.h>
 #include <sys/vfs.h>