Add configuration option to the base/rom extension to make the toolchain (ARMCC/GCCE) known to the preprocessor stage of romb build.
/* Implements the unicode (as opposed to string) version of the
built-in formatter for unicode. That is, unicode.__format__(). */
#include "Python.h"
#include "../Objects/stringlib/unicodedefs.h"
#define FORMAT_STRING _PyUnicode_FormatAdvanced
/* don't define FORMAT_LONG and FORMAT_FLOAT, since we can live
with only the string versions of those. The builtin format()
will convert them to unicode. */
#include "../Objects/stringlib/formatter.h"