+/*
+ adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
+ and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
+ the system headers so bring these settings in sync
+ */
+
+/* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
+#if defined(_UNICODE) || defined(UNICODE)
+# undef wxUSE_UNICODE
+# define wxUSE_UNICODE 1
+#else /* !UNICODE */
+# ifndef wxUSE_UNICODE
+# define wxUSE_UNICODE 0
+# endif
+#endif /* UNICODE/!UNICODE */
+
+/* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
+#if wxUSE_UNICODE
+# ifndef _UNICODE
+# define _UNICODE
+# endif
+# ifndef UNICODE
+# define UNICODE
+# endif
+#endif /* wxUSE_UNICODE */
+
+#if defined( __MWERKS__ ) && !defined(__INTEL__)
+// otherwise MSL headers bring in WIN32 dependant APIs
+#undef UNICODE
+#endif
+/*
+ some compilers don't support iostream.h any longer, while some of theme
+ are not updated with <iostream> yet, so override the users setting here
+ in such case.
+ */
+#if defined(_MSC_VER) && (_MSC_VER >= 1310)
+# undef wxUSE_IOSTREAMH
+# define wxUSE_IOSTREAMH 0
+#elif defined(__DMC__) || defined(__WATCOMC__)
+# undef wxUSE_IOSTREAMH
+# define wxUSE_IOSTREAMH 1
+#elif defined(__MINGW32__)
+# undef wxUSE_IOSTREAMH
+# define wxUSE_IOSTREAMH 0
+#endif /* compilers with/without iostream.h */
+