diff -Naur wmhdplop-0.9.10.orig/devnames.c wmhdplop-0.9.10/devnames.c
--- wmhdplop-0.9.10.orig/devnames.c	2016-11-24 15:49:55.000000000 +0100
+++ wmhdplop-0.9.10/devnames.c	2017-02-16 15:03:08.946447885 +0100
@@ -4,6 +4,7 @@
 #include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/sysmacros.h>
 #include <unistd.h>
 #include <linux/major.h>
 #include <ctype.h>