diff -up oiio-Release-1.1.10/src/include/thread.h.s390 oiio-Release-1.1.10/src/include/thread.h
--- oiio-Release-1.1.10/src/include/thread.h.s390	2013-05-20 11:23:40.000000000 +0200
+++ oiio-Release-1.1.10/src/include/thread.h	2013-05-20 11:24:06.000000000 +0200
@@ -326,7 +326,7 @@ pause (int delay)
 {
 #if defined(__GNUC__)
     for (int i = 0; i < delay; ++i) {
-#if defined __arm__
+#if defined __arm__ || defined __s390__
         __asm__ __volatile__("NOP;");
 #else
         __asm__ __volatile__("pause;");