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 <unistd.h>
#define STRINGIFY(x) #x
#define TOSTRING(x) STRINGIFY(x)
#define CURRENT_LOCATION __FILE__ ":" TOSTRING(__LINE__)
#define err() \
{ \
_fail("at " CURRENT_LOCATION " "); \
}
#define mb() asm volatile ("" : : : "memory")
extern void pass(void);
extern void _fail(char *reason);