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Re: CVS commit: src

"Nia Alarie" <> writes:

> Module Name:	src
> Committed By:	nia
> Date:		Wed May 25 10:18:30 UTC 2022
> Modified Files:
> 	src/distrib/sets/lists/base: mi
> 	src/distrib/sets/lists/etc: mi
> 	src/distrib/sets/lists/man: mi
> 	src/etc: Makefile
> 	src/etc/mtree: special
> 	src/etc/rc.d: Makefile
> 	src/share/man/man5: mk.conf.5
> 	src/share/mk: bsd.README
> 	src/usr.sbin: Makefile
> Log Message:
> mk: Allow building base without the MBONE applications by setting
> MKMBONE=no in mk.conf

I was really surprisd that we had mbone applications in base; to me,
that would mean things like vic and vat.

This is not about about MBONE; it's about multicast routing.  The mbone
was an overlay network to connect local multicast islands, and operated
in the 90s.

Separately from the mbone, I have used multicast routing support in
NetBSD across connected local networks.

(Arguably map-mbone is misnamed; it really isn't about the mbone per se
but about whatever multicast network is available.  But that's just a
historical note.)

I don't object to a default-on MK knob; having knobs to make base
smaller seems entirely reasonable.

I would suggest "multicast" as a word rather than mbone, as what this
knob does is remove user-space support for IP multicast routing.
Someone who understands the history would not expect mrouted to vanish
by disabling mbone.

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