-#include <ctype.h>
-#include <string.h>
-
-#if 0 // temporary - preserve binary compatibilty
-typedef char wxChar;
-typedef signed char wxSChar;
-typedef unsigned char wxUChar;
-#else
-#define wxChar char
-#define wxSChar signed char
-#define wxUChar unsigned char
-#endif
-
-#define _T(x) x
-
- // ctype.h functions
-#define wxIsalnum isalnum
-#define wxIsalpha isalpha
-#define wxIsctrl isctrl
-#define wxIsdigit isdigit
-#define wxIsgraph isgraph
-#define wxIslower islower
-#define wxIsprint isprint
-#define wxIspunct ispunct
-#define wxIsspace isspace
-#define wxIsupper isupper
-#define wxIsxdigit isxdigit
-#define wxTolower tolower
-#define wxToupper toupper
+# define _T(x) L##x
+
+ // ctype.h functions (wctype.h)
+# define wxIsalnum iswalnum
+# define wxIsalpha iswalpha
+# define wxIsctrl iswcntrl
+# define wxIsdigit iswdigit
+# define wxIsgraph iswgraph
+# define wxIslower iswlower
+# define wxIsprint iswprint
+# define wxIspunct iswpunct
+# define wxIsspace iswspace
+# define wxIsupper iswupper
+# define wxIsxdigit iswxdigit
+
+# if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
+ // /usr/include/wctype.h incorrectly declares translations tables which
+ // provokes tons of compile-time warnings - try to correct this
+# define wxTolower(wc) towctrans((wc), (wctrans_t)__ctype_tolower)
+# define wxToupper(wc) towctrans((wc), (wctrans_t)__ctype_toupper)
+# else
+# define wxTolower towlower
+# define wxToupper towupper
+# endif // gcc/!gcc
+
+ // string.h functions (wchar.h)
+# define wxStrcat wcscat
+# define wxStrchr wcschr
+# define wxStrcmp wcscmp
+# define wxStrcoll wcscoll
+# define wxStrcpy wcscpy
+# define wxStrcspn wcscspn
+# define wxStrlen_ wcslen // used in wxStrlen inline function
+# define wxStrncat wcsncat
+# define wxStrncmp wcsncmp
+# define wxStrncpy wcsncpy
+# define wxStrpbrk wcspbrk
+# define wxStrrchr wcsrchr
+# define wxStrspn wcsspn
+# define wxStrstr wcsstr
+# define wxStrtod wcstod
+# define wxStrtok wcstok
+# define wxStrtol wcstol
+# define wxStrtoul wcstoul
+# define wxStrxfrm wcsxfrm
+
+# define wxFgetc fgetwc
+# define wxFgetchar fgetwchar
+# define wxFgets fgetws
+# define wxFputc fputwc
+# define wxFputchar fputwchar
+# define wxGetc getwc
+# define wxGetchar getwchar
+# define wxGets getws
+# define wxPutc wputc
+# define wxPutchar wputchar
+# define wxPuts putws
+# define wxUngetc ungetwc
+
+// we need %s to %ls conversion for printf and scanf etc
+# define wxNEED_PRINTF_CONVERSION
+# define wxHAS_VSNPRINTF
+# define wxHAS_SNPRINTF