Mac OSX patch for Povray 3.7beta40

diff -uwr original/povray-3.7.0.beta.40/source/backend/frame.h new/povray-3.7.0.beta.40/source/backend/frame.h
--- original/povray-3.7.0.beta.40/source/backend/frame.h	2010-12-06 12:55:33.000000000 +0100
+++ new/povray-3.7.0.beta.40/source/backend/frame.h	2010-12-21 23:42:36.000000000 +0100
@@ -96,6 +96,9 @@

 // Generic header for all modules

+#include <pthread.h>
+
+
 #include <new>

 #include <stdio.h>
@@ -1898,10 +1901,48 @@
 // you'll need to fix your platform-specific config to provide a means to declare
 // thread-local variables. support for TLS is required for efficient access by the
 // render threads to their stats and cache data.
+
+
 #ifndef DECLARE_THREAD_LOCAL_PTR
-#define DECLARE_THREAD_LOCAL_PTR(ptrType, ptrName)       __thread ptrType *ptrName;
-#endif
+#ifdef __APPLE__
+template<typename T>
+class Pthread_Thread_Local_Pointer
+{
+ public:
+  Pthread_Thread_Local_Pointer()
+  {
+    pthread_key_create(&m_key, NULL);
+  }
+
+  Pthread_Thread_Local_Pointer& operator=(T* ptr)
+  {
+    pthread_setspecific(m_key, ptr);
+    return *this;
+  };

+  bool operator!=(T* rhs)
+  {
+    return pthread_getspecific(m_key) != rhs;
+  }
+
+  T* operator->() const
+  {
+    return static_cast<T*>(pthread_getspecific(m_key));
+  }
+
+  operator T*() const
+  {
+    return static_cast<T*>(pthread_getspecific(m_key));
+  }
+
+ private:
+  pthread_key_t m_key;
+};
+#define DECLARE_THREAD_LOCAL_PTR(ptrType, ptrName)       Pthread_Thread_Local_Pointer<ptrType> ptrName;
+#else
+#efine DECLARE_THREAD_LOCAL_PTR(ptrType, ptrName)       __thread ptrType *ptrName;
+#endif
+#endif
 }

 #endif
diff -uwr original/povray-3.7.0.beta.40/vfe/vfesession.h new/povray-3.7.0.beta.40/vfe/vfesession.h
--- original/povray-3.7.0.beta.40/vfe/vfesession.h	2010-12-06 12:55:33.000000000 +0100
+++ new/povray-3.7.0.beta.40/vfe/vfesession.h	2010-12-21 22:36:54.000000000 +0100
@@ -94,6 +94,8 @@
 #ifndef __VFESESSION_H__
 #define __VFESESSION_H__

+#include <sys/types.h>
+
 #include <queue>

 namespace vfe