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.

struct target_pt_regs {
	abi_ulong psr;
	abi_ulong pc;
	abi_ulong npc;
	abi_ulong y;
	abi_ulong u_regs[16];
};

#define UNAME_MACHINE "sun4"