diff -uNr webkit-1.1.8-orig/JavaScriptCore/wtf/Platform.h webkit-1.1.8/JavaScriptCore/wtf/Platform.h
--- webkit-1.1.8-orig/JavaScriptCore/wtf/Platform.h	2009-05-27 11:32:36.000000000 -0500
+++ webkit-1.1.8/JavaScriptCore/wtf/Platform.h	2009-06-13 11:44:36.000000000 -0500
@@ -230,10 +230,17 @@
 #endif
 
 /* PLATFORM(SPARC64) */
-#if defined(__sparc64__)
-#define WTF_PLATFORM_SPARC64 1
+#if defined(__sparc64__)\
+    || defined(__sparc__) && defined(_arch64__)
+ #define WTF_PLATFORM_SPARC64 1
+ #define WTF_PLATFORM_BIG_ENDIAN 1
+#else
+/* PLATFORM(SPARC) */
+#if defined(__sparc__)
+#define WTF_PLATFORM_SPARC 1
 #define WTF_PLATFORM_BIG_ENDIAN 1
 #endif
+#endif
 
 /* PLATFORM(WIN_CE) && PLATFORM(QT)
    We can not determine the endianess at compile time. For
diff -uNr webkit-1.1.8-orig/JavaScriptCore/wtf/Threading.h webkit-1.1.8/JavaScriptCore/wtf/Threading.h
--- webkit-1.1.8-orig/JavaScriptCore/wtf/Threading.h	2009-05-14 10:25:19.000000000 -0500
+++ webkit-1.1.8/JavaScriptCore/wtf/Threading.h	2009-06-13 11:42:52.000000000 -0500
@@ -207,14 +207,14 @@
 #elif COMPILER(GCC)
 #define WTF_USE_LOCKFREE_THREADSAFESHARED 1
 
-inline void atomicIncrement(int volatile* addend) { __gnu_cxx::__atomic_add(addend, 1); }
-inline int atomicDecrement(int volatile* addend) { return __gnu_cxx::__exchange_and_add(addend, -1) - 1; }
+inline void atomicIncrement(_Atomic_word volatile* addend) { __gnu_cxx::__atomic_add(addend, 1); }
+inline _Atomic_word atomicDecrement(_Atomic_word volatile* addend) { return __gnu_cxx::__exchange_and_add(addend, -1) - 1; }
 
 #endif
 
 class ThreadSafeSharedBase : Noncopyable {
 public:
-    ThreadSafeSharedBase(int initialRefCount = 1)
+    ThreadSafeSharedBase(_Atomic_word initialRefCount = 1)
         : m_refCount(initialRefCount)
     {
     }
@@ -234,23 +234,23 @@
         return refCount() == 1;
     }
 
-    int refCount() const
+    _Atomic_word refCount() const
     {
 #if !USE(LOCKFREE_THREADSAFESHARED)
         MutexLocker locker(m_mutex);
 #endif
-        return static_cast<int const volatile &>(m_refCount);
+        return static_cast<_Atomic_word const volatile &>(m_refCount);
     }
 
 protected:
-    // Returns whether the pointer should be freed or not.
+x s    // Returns whether the pointer should be freed or not.
     bool derefBase()
     {
 #if USE(LOCKFREE_THREADSAFESHARED)
         if (atomicDecrement(&m_refCount) <= 0)
             return true;
 #else
-        int refCount;
+        _Atomic_word refCount;
         {
             MutexLocker locker(m_mutex);
             --m_refCount;
@@ -266,7 +266,7 @@
     template<class T>
     friend class CrossThreadRefCounted;
 
-    int m_refCount;
+    _Atomic_word m_refCount;
 #if !USE(LOCKFREE_THREADSAFESHARED)
     mutable Mutex m_mutex;
 #endif
@@ -274,7 +274,7 @@
 
 template<class T> class ThreadSafeShared : public ThreadSafeSharedBase {
 public:
-    ThreadSafeShared(int initialRefCount = 1)
+    ThreadSafeShared(_Atomic_word initialRefCount = 1)
         : ThreadSafeSharedBase(initialRefCount)
     {
     }