From a48b8ecc9ceb203be588d4eefa8de19800b91fe3 Mon Sep 17 00:00:00 2001
From: Thiago Macieira <thiago.macieira@intel.com>
Date: Tue, 17 Nov 2015 00:11:53 -0800
Subject: [PATCH] configure: don't test AVX512 if AVX2 wasn't found

Change-Id: I14839ba5678944c2864bffff14176f0e9236ad8c
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
---
 configure | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure b/configure
index b149970b7d6..fb9d3226840 100755
--- a/configure
+++ b/configure
@@ -4586,6 +4586,9 @@ if [ "${CFG_AVX2}" = "auto" ]; then
 fi
 
 # detect avx512 support
+if [ "${CFG_AVX2}" = "no" ]; then
+    CFG_AVX512=
+fi
 if [ "${CFG_AVX512}" = "auto" ]; then
     # First, test for AVX-512 Foundation
     if compileTest common/avx512 "avx512f" AVX512=F; then