diff -up qt-everywhere-opensource-src-4.8.6/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h.s390 qt-everywhere-opensource-src-4.8.6/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h

--- qt-everywhere-opensource-src-4.8.6/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h.s390	2014-03-30 15:36:49.000000000 -0500

+++ qt-everywhere-opensource-src-4.8.6/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h	2014-03-31 17:59:16.846465899 -0500

@@ -189,6 +189,18 @@

 #define WTF_CPU_SPARC 1

 #endif

+/* CPU(S390X) - S390 64-bit */

+#if defined(__s390x__)

+#define WTF_CPU_S390X 1

+#define WTF_CPU_BIG_ENDIAN 1

+#endif

+

+/* CPU(S390) - S390 32-bit */

+#if defined(__s390__)

+#define WTF_CPU_S390 1

+#define WTF_CPU_BIG_ENDIAN 1

+#endif

+

 /* CPU(X86) - i386 / x86 32-bit */

 #if   defined(__i386__) \

     || defined(i386)     \

@@ -903,7 +915,7 @@

 #endif

 #if !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32) && !defined(WTF_USE_JSVALUE32_64)

-#if (CPU(X86_64) && (OS(UNIX) || OS(WINDOWS) || OS(SOLARIS) || OS(HPUX))) || (CPU(IA64) && !CPU(IA64_32)) || CPU(ALPHA) || CPU(AIX64) || CPU(SPARC64) || CPU(MIPS64) || CPU(AARCH64)

+#if (CPU(X86_64) && (OS(UNIX) || OS(WINDOWS) || OS(SOLARIS) || OS(HPUX))) || (CPU(IA64) && !CPU(IA64_32)) || CPU(ALPHA) || CPU(AIX64) || CPU(SPARC64) || CPU(MIPS64) || CPU(AARCH64) || CPU(S390X)

 #define WTF_USE_JSVALUE64 1

 #elif CPU(ARM) || CPU(PPC64)

 #define WTF_USE_JSVALUE32 1