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Date:      Tue, 2 May 2017 10:40:28 -0700
From:      "Ngie Cooper (yaneurabeya)" <yaneurabeya@gmail.com>
To:        Warner Losh <imp@bsdimp.com>
Cc:        "Rodney W. Grimes" <rgrimes@freebsd.org>, Ngie Cooper <ngie@freebsd.org>, src-committers <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>
Subject:   Re: svn commit: r317632 - head/sys
Message-ID:  <17C74380-374C-40A8-A3C4-0401D32E9A06@gmail.com>
In-Reply-To: <CANCZdfpT8wJE0bxv-haKiLbLoz7BA8E9i49Ms0m%2B4NUVUdTEqQ@mail.gmail.com>
References:  <201705010559.v415xqx2085699@repo.freebsd.org> <201705011630.v41GUfVV090824@pdx.rh.CN85.dnsmgr.net> <CANCZdfpT8wJE0bxv-haKiLbLoz7BA8E9i49Ms0m%2B4NUVUdTEqQ@mail.gmail.com>

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> On May 1, 2017, at 09:34, Warner Losh <imp@bsdimp.com> wrote:
>=20
> On Mon, May 1, 2017 at 10:30 AM, Rodney W. Grimes
> <freebsd@pdx.rh.cn85.dnsmgr.net> wrote:
>>> Author: ngie
>>> Date: Mon May  1 05:59:52 2017
>>> New Revision: 317632
>>> URL: https://svnweb.freebsd.org/changeset/base/317632
>>>=20
>>> Log:
>>>  Fix "make cscope-clean" when .OBJDIR already exists
>>>=20
>>>  The cscope generated files are always put in .CURDIR .
>>=20
>> If this is writing to src dir then it should be fixed,
>> or have we abandoned all hope of readonly src tree?
>=20
> This is only for the cscope target, which isn't part of the normal =
build.
>=20
> readonly src tree works great still=E2=80=A6.

Hi Rod,
	I can=E2=80=99t personally vouch for readonly src trees working =
in all cases, but readonly src trees work well for installation purposes =
(I use readonly obj and src trees at work when installing over NFS).
	As Warner noted, =E2=80=9Cmake cscope=E2=80=9D is a developer =
target that aids with building the cscope database in a consistent =
manner. It doesn=E2=80=99t conform to the existing =E2=80=9Cnorms=E2=80=9D=
 of build targets in the tree; changing the behavior doesn=E2=80=99t =
seem prudent at this point in time because it would violate POLA.
Thanks!
-Ngie

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