#if defined(__VISUALC__) || \
(defined(__BORLANDC__) && (__BORLANDC__ >= 0x500)) || \
(defined(__GNUG__) && defined(__MSVCRT__)) || \
- defined(__WATCOMC__)
+ defined(__WATCOMC__) || defined(__MWERKS__)
#undef wxUSE_BEGIN_THREAD
#define wxUSE_BEGIN_THREAD