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Date:      Tue, 27 Jun 2017 12:45:34 -0500
From:      Mark Linimon <linimon@lonesome.com>
To:        scratch65535@att.net
Cc:        Grzegorz Junka <list1@gjunka.com>, freebsd-ports@freebsd.org
Subject:   Re: [RFC] Why FreeBSD ports should have branches by OS version
Message-ID:  <20170627174534.GA29356@lonesome.com>
In-Reply-To: <lsl4lctd0452v2r9442vpg68f88c1igdhi@4ax.com>
References:  <CAO%2BPfDeFz1JeSwU3f21Waz3nT2LTSDAvD%2B8MSPRCzgM_0pKGnA@mail.gmail.com> <2f23f3d0-dcb1-dc12-eb9f-c8966a10f5f7@toco-domains.de> <77c15a0a-fde0-b240-803e-b369ebf0b897@gjunka.com> <lsl4lctd0452v2r9442vpg68f88c1igdhi@4ax.com>

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On Tue, Jun 27, 2017 at 09:24:31AM -0400, scratch65535@att.net wrote:
> The number of ports to build a server-of-all-work is not large.

Now the problem is getting people to agree on exactly what that
subset is.

If there is interest, I can provide the examples and code I use
whenever I start up a new machine here at the house, e.g. powerpc64,
sparc64, etc.  And we'll see how close to agreement people can get.

(Yes, I'm quite skeptical.)

> Unnecessarily complex and a source of uncontrolled errors, yes,

One person's "unnecessary" is another person's "necessary".

> Specialist workstations such as sound/video editing?  Maybe.

You'll immediately go from a few hundred ports to a few thousand ports.

No one has ever done the work on "most minimal set of dependencies"
in the ports tree -- and that's because it's hard work.  Add to that
the fact that the technology has never supported partial checkouts
and it complicates things.

tl;dr: I do have long-time experience building subsets of the ports
tree and in my experience it's harder than people think, once you
get beyond a few dozen targets.

mcl



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