Code review comment for lp:~dannf/ubuntu/wily/grub2-signed/arm64-support

> You should never use "dpkg --print-architecture" to determine the arch you're
> building FOR. What you're looking for (in both places) is dpkg-architecture
> -qDEB_HOST_ARCH

Fixed.

> Other oddities:
>
> 1) Why do we need .install files when we didn't seem to before?

It is just how I chose to handle the single-binary -> multi-binary conversion. But it does seem like a pain to have to add that file for every new architecture. I switched this to just overriding destdir during install.

> 2) symlinking to arch-specific bits in clean doesn't seem clever, you'll get
> different source cruft depending on the arch you clean/upload on.

Fixed.