[m-rev.] for review: Add two bootcheck options.

[Zoltan Somogyi]

On Tue, 16 Jul 2024 14:50:27 +1000, Peter Wang <novalazy at gmail.com> wrote:

>  mmake_stage_2=true
> +mmake_stage_3=true

I see you followed the existing naming scheme, but I don't think
it is a good one. I would replace the "mmake" in both these names
with "build", because they are less likely to be confused for an
invocation of mmake by people who miss the following underscore.

The diff is fine.

Zoltan,