[m-rev.] for post-commit review: avoid some unnecessary file rebuilds

[Peter Wang]

On Mon, 09 Dec 2024 04:36:18 +1100 "Zoltan Somogyi" <zoltan.somogyi at runbox.com> wrote:
> 
> Mark copied intermediate files as do-not-delete.
> 
> slice/Mmakefile:
> deep_profiler/Mmakefile:
>     As above. This avoids having to rebuild the interface and target
>     language files of the modules copied to these directories from
>     the mdbcomp directory after the creation of each executable.

That seems fine.

Peter