Re: sysbuild of netbsd-10 from netbsd-10 fails after upgrade of itself

On Wed, 8 Oct 2025, Greg A. Woods wrote:

> I'm still not quite seeing how this "works" in -current.
>
> There's a mess of discussion in PR#57807, but I still don't quite see
> the fix -- anyway something seems to have been missed in the pullups for
> netbsd-10 as it cannot build itself!
>

An amd64 tools build completed successfully for me yesterday. Did a i386 tools
build just now. No issues. Sources and ISOs from:

https://nycdn.netbsd.org/pub/NetBSD-daily/netbsd-10/20251006162410Z/

```
===> Summary of results:
 	 build.sh command:    ./build.sh -j6 -N1 -M /tmp/obj -T /home/rvp/netbsd-10/tools -U tools
 	 build.sh started:    Thu Oct  9 06:59:32 UTC 2025
 	 NetBSD version:      10.1_STABLE
 	 MACHINE:             i386
 	 MACHINE_ARCH:        i386
 	 Build platform:      NetBSD 10.1_STABLE i386
 	 HOST_SH:             /bin/sh
 	 No $TOOLDIR/bin/nbmake, needs building.
 	 Bootstrapping nbmake
 	 MAKECONF file:       /etc/mk.conf (File not found)
 	 TOOLDIR path:        /home/rvp/netbsd-10/tools
 	 DESTDIR path:        /tmp/obj/home/rvp/netbsd-10/src/destdir.i386
 	 RELEASEDIR path:     /tmp/obj/home/rvp/netbsd-10/src/releasedir
 	 Created /home/rvp/netbsd-10/tools/bin/nbmake
 	 Updated makewrapper: /home/rvp/netbsd-10/tools/bin/nbmake-i386
 	 Tools built to /home/rvp/netbsd-10/tools
 	 build.sh ended:      Thu Oct  9 07:11:09 UTC 2025
===> .
```

-RVP