#define wxUSE_STD_IOSTREAM 0
// Enable conversion to standard C++ string if 1.
-#define wxUSE_STD_STRING 0
+#define wxUSE_STD_STRING 1
// Support for positional parameters (e.g. %1$d, %2$s ...) in wxVsnprintf.
// Note that if the system's implementation does not support positional
// Set to 1 to compile wxZipInput/OutputStream classes.
#define wxUSE_ZIPSTREAM 1
-// Set to 1 to compile wxBackingFile and wxBackedInputStream
-#define wxUSE_BACKINGFILE 1
-
// Set to 1 to compile wxTarInput/OutputStream classes.
#define wxUSE_TARSTREAM 1