1 files changed, 2 insertions, 0 deletions
diff --git a/salsa.cpp b/salsa.cpp
index 40fffc4..4781218 100755
--- a/salsa.cpp
+++ b/salsa.cpp
@@ -6,7 +6,9 @@
 #include "argnames.h"
 #include "cpu.h"
 
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE
 #include <emmintrin.h>
+#endif
 
 NAMESPACE_BEGIN(CryptoPP)