Provisional fix for bug 3508 - Persistent storage support breaks Linux compatibility.
Enables libnvmemmory.so to be built and dynamically linked on Linux and rom boot reports persistent storage image created OK, but ROM then crashes.
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
int main (void)
{
struct stat buf;
if (stat (".", &buf) != 0
|| !S_ISDIR (buf.st_mode))
abort ();
printf ("pass\n");
exit (0);
}