From 783535a4cd2657c08fb21e149da619262f8d9719 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Sun, 29 Oct 2017 22:21:46 -0300
Subject: [PATCH] x86/bswapdsp: add missing preprocessor wrappers for AVX2
 functions

Fixes build with old nasm/yasm.

Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavcodec/x86/bswapdsp.asm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/x86/bswapdsp.asm b/libavcodec/x86/bswapdsp.asm
index 219d172481..213ffbde07 100644
--- a/libavcodec/x86/bswapdsp.asm
+++ b/libavcodec/x86/bswapdsp.asm
@@ -157,5 +157,7 @@ BSWAP32_BUF
 INIT_XMM ssse3
 BSWAP32_BUF
 
+%if HAVE_AVX2_EXTERNAL
 INIT_YMM avx2
 BSWAP32_BUF
+%endif