Correction for the fix for Bug 3508 - Persistent storage support breaks Linux compatibility.
A 2nd `make install' will fail attempting to create symlink libnvmemmory.so already created by 1st install.
Install should pre-emptively delete it.
/* 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"