From ae22044da998e27497c3ad6724a0c64c89cfd87f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Matu=C5=A1ka?= <mm@FreeBSD.org>
Date: Wed, 29 May 2024 19:51:01 +0200
Subject: [PATCH] spl: fix compilation without HAVE_BACKTRACE

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

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Martin Matuska <mm@FreeBSD.org>
Closes #16229
---
 lib/libspl/backtrace.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/libspl/backtrace.c b/lib/libspl/backtrace.c
index dd8cb025f..d26d74210 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)
 {