...

"$Config{'archname'}-$Config{'osvers'}" eq
"MSWin32-x86-multi-thread-4.0" or
	die "Errno architecture (MSWin32-x86-multi-thread-4.0) does not match executable architecture ($Config{'archname'}-$Config{'osvers'})";


##</code><code>##

"$Config{'archname'}-$Config{'osvers'}" eq
"MSWin32-x86-multi-thread-5.00" or
	die "Errno architecture (MSWin32-x86-multi-thread-5.00) does not match executable architecture ($Config{'archname'}-$Config{'osvers'})";