1. the common helper functions are now in src/unix/utilsunx.cpp

2. POSIX threads are in src/unix/threadpsx.cpp
3. some more functions are detected using configure and not  guessed from the
   platform type


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1867 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/thread.h

@@ -352,6 +352,8 @@ void WXDLLEXPORT wxMutexGuiLeave();
 
 #else // !wxUSE_THREADS
 
+#include <wx/defs.h> // for WXDLLEXPORT
+
 // no thread support
 inline void WXDLLEXPORT wxMutexGuiEnter() { }
 inline void WXDLLEXPORT wxMutexGuiLeave() { }