+
+/* use wxWidgets' configure */
+/* #undef CHAR_IS_UNSIGNED */
+#ifdef __CHAR_UNSIGNED__
+ #ifndef CHAR_IS_UNSIGNED
+ #define CHAR_IS_UNSIGNED
+ #endif
+#else
+ #undef CHAR_IS_UNSIGNED
+#endif
+
+#ifndef HAVE_STDDEF_H
+#define HAVE_STDDEF_H
+#endif
+
+#ifndef HAVE_STDLIB_H
+#define HAVE_STDLIB_H
+#endif
+