Index: qtscript-opensource-src-5.2.0-rc1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
===================================================================
--- qtscript-opensource-src-5.2.0-rc1.orig/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
+++ qtscript-opensource-src-5.2.0-rc1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
@@ -156,16 +156,22 @@
     || defined(__POWERPC__) \
     || defined(_M_PPC)      \
     || defined(__PPC)
+#if !defined(__ppc64__) && !defined(__PPC64__)
 #define WTF_CPU_PPC 1
+#endif
+#if !defined(__LITTLE_ENDIAN__)
 #define WTF_CPU_BIG_ENDIAN 1
 #endif
+#endif
 
 /* CPU(PPC64) - PowerPC 64-bit */
 #if   defined(__ppc64__) \
     || defined(__PPC64__)
 #define WTF_CPU_PPC64 1
+#if !defined(__LITTLE_ENDIAN__)
 #define WTF_CPU_BIG_ENDIAN 1
 #endif
+#endif
 
 /* CPU(SH4) - SuperH SH-4 */
 #if defined(__SH4__)