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From: Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [PATCH 1/3] modinst: wrap long lines in order to enhance cmd_modules_install
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Date: Thu, 21 Aug 2014 01:38:10 +0930
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To: Jim Davis <jim.epost@gmail.com>, Bertrand Jacquin <beber@meleeweb.net>
Cc: linux-kbuild@vger.kernel.org, linux-kernel <linux-kernel@vger.kernel.org>, Willy Tarreau <w@1wt.eu>

Jim Davis <jim.epost@gmail.com> writes:
> On Tue, Aug 19, 2014 at 11:57 AM, Bertrand Jacquin <beber@meleeweb.net> wrote:
>> Note: shouldn't we use 'install -D $(2)/$@ $@' instead of mkdir
>> and cp ?
>
> Will an install with -D in that sense always be available?  That's not
> a flag in the original (BSD) program, and I did find one SPARC system
> -- admittedly an ancient one -- where the install program had a -D
> option but it did something else.  install isn't listed as a required
> program in Documentation/Changes, for that matter.

Yes, we don't count on install.  And ISTR that install -D would try to
change perms on directories in the path, which can fail if you don't own
them and aren't root...

Cheers,
Rusty.