Index: autobahn-20.7.1/autobahn/nvx/_utf8validator.c
===================================================================
--- autobahn-20.7.1.orig/autobahn/nvx/_utf8validator.c
+++ autobahn-20.7.1/autobahn/nvx/_utf8validator.c
@@ -27,8 +27,12 @@
 #include <stdlib.h>
 #include <stdint.h>
 
+#ifdef __s390__
+#include <s390intrin.h>
+#else
 // http://stackoverflow.com/questions/11228855/header-files-for-simd-intrinsics
 #include <x86intrin.h>
+#endif
 
 
 #define UTF8_ACCEPT 0