--- a/growisofs.c	2018-10-25 17:33:50.039660925 +0200
+++ b/growisofs.c	2018-10-25 17:34:10.649662395 +0200
@@ -450,6 +450,7 @@
 # include <sys/wait.h>
 # include <sys/mman.h>
 # include <signal.h>
+# include <sys/sysmacros.h>
 # include <poll.h>
 # include <sys/resource.h>
 # include <sys/utsname.h>