From d9ad2b357b21320a6a6d526ce0e8d5b0aac83070 Mon Sep 17 00:00:00 2001
From: Ed Maste <emaste@FreeBSD.org>
Date: Thu, 6 Jul 2017 13:27:01 +0000
Subject: [PATCH] compiler_rt: provide bswap buildins on sparc64

Attempting to build sparc64 world with GCC 6.3 previously failed with
zstd_compress.c:(.text+0x8fc): undefined reference to `__bswapsi2'
---
 lib/libcompiler_rt/Makefile.inc | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/libcompiler_rt/Makefile.inc b/lib/libcompiler_rt/Makefile.inc
index 44a963ff9ed1..30608826b8fa 100644
--- a/lib/libcompiler_rt/Makefile.inc
+++ b/lib/libcompiler_rt/Makefile.inc
@@ -225,9 +225,8 @@ SRCS+=		switchu8.S
 SRCS+=		sync_synchronize.S
 .endif
 
-# GCC-6.3 on mips32 requires bswap32 built-in.
-.if ${MACHINE_CPUARCH} == "mips"
+# On some archs GCC-6.3 requires bswap32 built-in.
+.if ${MACHINE_CPUARCH} == "mips" || ${MACHINE_CPUARCH} == "sparc64"
 SRCS+=		bswapdi2.c
 SRCS+=		bswapsi2.c
 .endif
-