$NetBSD: patch-bv,v 1.1 2008/02/16 22:03:49 apb Exp $

--- nfsconf.h.orig	2002-09-19 06:15:18.000000000 +0200
+++ nfsconf.h
@@ -262,6 +262,11 @@ struct nfs3_fh {
 #define SYS_MOUNT(hostname, type, dir, mntflags, args)	\
     vfsmount (type, dir, mntflags, args)
 
+#elif defined(__NetBSD__) && __NetBSD_Prereq__(4,99,24)
+ /* The fifth arg appeared in NetBSD between 4.99.23 and 4.99.24 */
+#define SYS_MOUNT(hostname, type, dir, mntflags, args)	\
+    mount (type, dir, mntflags, args, sizeof(*(args)))
+
 #else /* normal mount syscall */
 #define SYS_MOUNT(hostname, type, dir, mntflags, args)	\
     mount (type, dir, mntflags, (char *) (args))