-------------------------------------------------------------------
thread: Windows CD _threadex handling code breaks mingw w64
compilation.
This should be a better way to accomplish the same code, and
make it only applicable when targeting Windows CE.
-------------------------------------------------------------------
Index: thread.cpp
===================================================================
--- thread.cpp	(revision 85020)
+++ thread.cpp	(working copy)
@@ -110,45 +110,22 @@
     }
     namespace
     {
-#ifndef BOOST_HAS_THREADEX
-// Windows CE doesn't define _beginthreadex
-
-        struct ThreadProxyData
-        {
-            typedef unsigned (__stdcall* func)(void*);
-            func start_address_;
-            void* arglist_;
-            ThreadProxyData(func start_address,void* arglist) : start_address_(start_address), arglist_(arglist) {}
-        };
-
-        DWORD WINAPI ThreadProxy(LPVOID args)
-        {
-            std::auto_ptr<ThreadProxyData> data(reinterpret_cast<ThreadProxyData*>(args));
-            DWORD ret=data->start_address_(data->arglist_);
-            return ret;
+#if defined (_WIN32_WCE)
+#define _beginthreadex(security, \
+                       stack_size, \
+                       start_proc, \
+                       arg, \
+                       flags, \
+                       pid) \
+        CreateThread(security, \
+                     stack_size, \
+                     (LPTHREAD_START_ROUTINE) start_proc, \
+                     arg, \
+                     flags, \
+                     pid)
+#endif //!(_WIN32_WCE)
         }
 
-        typedef void* uintptr_t;
-
-        inline uintptr_t _beginthreadex(void* security, unsigned stack_size, unsigned (__stdcall* start_address)(void*),
-                                              void* arglist, unsigned initflag, unsigned* thrdaddr)
-        {
-            DWORD threadID;
-            ThreadProxyData* data = new ThreadProxyData(start_address,arglist);
-            HANDLE hthread=CreateThread(static_cast<LPSECURITY_ATTRIBUTES>(security),stack_size,ThreadProxy,
-                                        data,initflag,&threadID);
-            if (hthread==0) {
-              delete data;
-              return 0;
-            }
-            *thrdaddr=threadID;
-            return reinterpret_cast<uintptr_t const>(hthread);
-        }
-
-#endif
-
-    }
-
     namespace detail
     {
         struct thread_exit_callback_node