From 14bf91a0431e6b410ec9cf029172dfc5a99eb58f Mon Sep 17 00:00:00 2001
From: Martin Matuška <mm@FreeBSD.org>
Date: Mon, 20 Dec 2021 23:28:43 +0100
Subject: FreeBSD: fix world build after 143476ce8

Do not redefine the fallthrough macro when building with libcpp.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Martin Matuska <mm@FreeBSD.org>
Closes #12880
---
 lib/libspl/include/sys/feature_tests.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/libspl/include/sys/feature_tests.h b/lib/libspl/include/sys/feature_tests.h
index a36fd7b8c..c9564b2c3 100644
--- a/lib/libspl/include/sys/feature_tests.h
+++ b/lib/libspl/include/sys/feature_tests.h
@@ -30,7 +30,7 @@
 #define	____cacheline_aligned
 #define	__NORETURN		__attribute__((__noreturn__))
 
-#if !defined(fallthrough)
+#if !defined(fallthrough) && !defined(_LIBCPP_VERSION)
 #if defined(HAVE_IMPLICIT_FALLTHROUGH)
 #define	fallthrough		__attribute__((__fallthrough__))
 #else
-- 
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