diff -Nur linux-3.4.112.orig/scripts/mod/sumversion.c linux-3.4.112/scripts/mod/sumversion.c
--- linux-3.4.112.orig/scripts/mod/sumversion.c	2016-04-27 12:55:30.000000000 +0200
+++ linux-3.4.112/scripts/mod/sumversion.c	2026-05-27 12:34:21.378600677 +0200
@@ -8,6 +8,7 @@
 #include <errno.h>
 #include <string.h>
 #include <limits.h>
+#include <arpa/inet.h>
 #include "modpost.h"
 
 /*