NetBSD Problem Report #53295

From kre@munnari.OZ.AU  Thu May 17 13:37:33 2018
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Date: Thu, 17 May 2018 20:37:10 +0700 (+07)
From: kre@munnari.OZ.AU
To: gnats-bugs@NetBSD.org
Subject: src/UPDATING has "recent changes" that are 12 years old...
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>Number:         53295
>Category:       misc
>Synopsis:       src/UPDATING has "recent changes" that are 12 years old...
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    misc-bug-people
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Thu May 17 13:40:00 +0000 2018
>Last-Modified:  Fri May 18 05:40:00 +0000 2018
>Originator:     Robert Elz
>Release:        NetBSD 8.99.17
>Organization:
>Environment:
Architecture: x86_64
Machine: amd64
>Description:
	The "recent changes" section of src/UPDATING takes the
	definition of "recent" beyond what is rational, unless
	we have an archaeological mindset.

>How-To-Repeat:
	RTFF

>Fix:
	delete everything older than (say) NetBSD 7 ?

>Audit-Trail:
From: matthew green <mrg@eterna.com.au>
To: gnats-bugs@NetBSD.org
Cc: misc-bug-people@netbsd.org, gnats-admin@netbsd.org,
    netbsd-bugs@netbsd.org
Subject: re: misc/53295: src/UPDATING has "recent changes" that are 12 years old...
Date: Fri, 18 May 2018 11:03:56 +1000

 i know of at least one person who built netbsd-8 on netbsd-4.

 so perhaps at leave at least netbsd-5, in -current? :)  surely
 netbsd-6 belongs for now.


 .mrg.

From: Robert Elz <kre@munnari.OZ.AU>
To: matthew green <mrg@eterna.com.au>
Cc: gnats-bugs@NetBSD.org, misc-bug-people@netbsd.org, netbsd-bugs@netbsd.org
Subject: Re: misc/53295: src/UPDATING has "recent changes" that are 12 years old...
Date: Fri, 18 May 2018 12:38:00 +0700

     Date:        Fri, 18 May 2018 11:03:56 +1000
     From:        matthew green <mrg@eterna.com.au>
     Message-ID:  <27716.1526605436@splode.eterna.com.au>

   | i know of at least one person who built netbsd-8 on netbsd-4.
   |
   | so perhaps at leave at least netbsd-5, in -current? :)  surely
   | netbsd-6 belongs for now.

 Anyone attempting to do a build using obj directories from that
 long ago really needs a different kind of support...

 All UPDATING really does (mostly) is tell people when they need
 a clean build because something won't work with existing obj
 directories (which is arguably a build system bug .... but not one
 worth worrying too much about most times).

 The (very few) entries that relate to changing config files in some
 way could just be left - but even those get a bit stale over time.
 And even there, no-one bothers with entries in UPDATING when
 the kernel config files need updating, and that's the most common
 requirement (if whoever built 8 on 4 has private kernel configs
 and tried using those unchanged they would have been in for a
 shock).

 But for the obj directory removal entries, all that should be needed,
 if it really needs saying at all, is that if your last build was more than
 a year or so ago, delete the whole obj & tools directories, and build
 them again.

 kre

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