From 5449e900bac560d4e3826b7feb09a219fd0c862e Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Tue, 10 Sep 2019 19:07:28 +0200
Subject: [PATCH] Issue #1226 - Explicitly enable sse2 on x86_64 also.

Although it's enabled by default in gcc (should be, anyway!), we're
being explicit here for 64-bit x86 platforms here also. This matches the
old behavior.
---
 build/autoconf/compiler-opts.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build/autoconf/compiler-opts.m4 b/build/autoconf/compiler-opts.m4
index 0848d78d9c..77c2e85b5e 100644
--- a/build/autoconf/compiler-opts.m4
+++ b/build/autoconf/compiler-opts.m4
@@ -179,7 +179,7 @@ if test "$GNU_CC"; then
     CFLAGS="$CFLAGS -fno-math-errno"
     CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-math-errno"
 
-    if test "$CPU_ARCH" = x86; then
+    if test "$CPU_ARCH" = "x86" -o "$CPU_ARCH" = "x86_64"; then
       CFLAGS="$CFLAGS -msse2 -mfpmath=sse"
       CXXFLAGS="$CXXFLAGS -msse2 -mfpmath=sse"
     fi