--- configure.orig	2016-07-30 20:34:50 UTC
+++ configure
@@ -14397,7 +14397,7 @@ fi
 esac
 
 case "${ax_cv_c_compiler_vendor}" in
-    gnu|intel)
+    gnu|intel|clang)
 	# SSE/SSE2
 	if test "$have_sse2" = "yes" -a "x$SSE2_CFLAGS" = x; then
 	    if test "$PRECISION" = d; then flag=msse2; else flag=msse; fi