+
+// NB: Some compilers define boolean type in Windows headers (e.g. Watcom C++).
+// This causes a conflict with jmorecfg.h header from libjpeg, so we have
+// to make sure libjpeg won't try to define boolean itself. This is done by
+// defining HAVE_BOOLEAN.
+#if defined(__WXMSW__) && (defined(__MWERKS__) || defined(__WATCOMC__))
+ #define HAVE_BOOLEAN
+ #include <windows.h>
+#endif
+