From 4206aadcdfc2ddf929a5dc276d70674bdd23e73b Mon Sep 17 00:00:00 2001
From: Martin Matuska <mm@FreeBSD.org>
Date: Sun, 26 May 2024 19:50:34 +0200
Subject: [PATCH] spl: fix compilation without HAVE_BACKTRACE

The __maybe_unused macro is defined in spl/sys/debug.h

Signed-off-by: Martin Matuska <mm@FreeBSD.org>
---
 lib/libspl/backtrace.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/libspl/backtrace.c b/lib/libspl/backtrace.c
index dd8cb025f4..d26d742106 100644
--- a/lib/libspl/backtrace.c
+++ b/lib/libspl/backtrace.c
@@ -110,6 +110,8 @@ libspl_backtrace(int fd)
 	backtrace_symbols_fd(btptrs, nptrs, fd);
 }
 #else
+#include <sys/debug.h>
+
 void
 libspl_backtrace(int fd __maybe_unused)
 {