On Tue, Mar 3, 2020 at 10:02 PM, Abner Chang wrote:

> 
> BaseTools/Bin/gcc_riscv64_unknown_ext_dep.yaml

Web extdeps can have a hash so we are sure we get the expected file.  My opinion is for edk2 extdeps we should use this feature.

https://github.com/tianocore/edk2-pytool-extensions/blob/master/docs/usability/using_extdep.md#sha256-optional

The rest of the changes look good.
Thanks
Sean