From 30a42307a7a7f49d0bbb99a69cf6f7a60ac998e9 Mon Sep 17 00:00:00 2001
From: Ed Maste <emaste@FreeBSD.org>
Date: Mon, 22 Jul 2019 17:25:35 +0000
Subject: [PATCH] mptutil: emit a warning on big-endian architectures

It is known to be broken.

PR:		162513
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
---
 usr.sbin/mptutil/mptutil.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/usr.sbin/mptutil/mptutil.c b/usr.sbin/mptutil/mptutil.c
index 81487664f1ce..0ec6620c8688 100644
--- a/usr.sbin/mptutil/mptutil.c
+++ b/usr.sbin/mptutil/mptutil.c
@@ -114,6 +114,10 @@ main(int ac, char **av)
 	if (ac == 0)
 		usage();
 
+#if BYTE_ORDER == BIG_ENDIAN
+	warnx("mptutil is known to be broken on big-endian architectures");
+#endif
+
 	SET_FOREACH(cmd, MPT_DATASET(top)) {
 		if (strcmp((*cmd)->name, av[0]) == 0) {
 			if ((*cmd)->handler(ac, av))