Re: What is the recommended setup for crossbuilding kernel+world?

On Wed, Apr 8, 2026, 5:00 PM Bakul Shah <[email protected]> wrote:

> Recently crossbuilding -current arm64 world on an 15-stable
> amd64 machine took out host's /lib/libsys.so.7 which broke
> most everything! I tried rebuilding after removing its
> /usr/obj/.../current/arm64.aarch64/ tree and that replaced
> many .o files in /usr/lib! Rather than fixup my old setup,
> I'd like to know what is recommended.
>
> Is it possible to build as a normal user (so that build can't
> mistakenly blow away host's system files)?
>

I do this all the time. I set MAKEOBJDIRPREFIX to ~/obj.

Warner

Thanks!
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