From c76f50ebbb7acfe6adc3390a0da772e4fa5415c4 Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Thu, 13 Dec 2018 11:33:26 -0500
Subject: Add missing header guard

---
 donna_sse.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'donna_sse.cpp')

diff --git a/donna_sse.cpp b/donna_sse.cpp
index 629797ca..bde7c0b6 100644
--- a/donna_sse.cpp
+++ b/donna_sse.cpp
@@ -15,7 +15,9 @@
 #include "donna.h"
 #include "misc.h"
 
-#include <emmintrin.h>
+#if (CRYPTOPP_SSE2_INTRIN_AVAILABLE)
+# include <emmintrin.h>
+#endif
 
 // Squash MS LNK4221 and libtool warnings
 extern const char DONNA_SSE_FNAME[] = __FILE__;
-- 
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