Date: Thu, 12 Jan 2012 11:17:39 +0100
From: Luigi Rizzo <rizzo@iet.unipi.it>
To: Garrett Cooper <yanegomi@gmail.com>
Cc: current@freebsd.org
Subject: Re: kernel config files outside of sys/${ARCH}/conf ?
Message-ID: <20120112101739.GA11498@onelab2.iet.unipi.it>
In-Reply-To: <CAGH67wSLFQaBZfcXiVLUBoe7NS0Gu_MbHwxyLPhHj1GTX3jFPA@mail.gmail.com>
References: <20120112081139.GA9921@onelab2.iet.unipi.it> <20120112101653.57decd32@ernst.jennejohn.org> <20120112100601.GA11325@onelab2.iet.unipi.it> <CAGH67wSLFQaBZfcXiVLUBoe7NS0Gu_MbHwxyLPhHj1GTX3jFPA@mail.gmail.com>
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On Thu, Jan 12, 2012 at 01:55:39AM -0800, Garrett Cooper wrote:
> On Thu, Jan 12, 2012 at 2:06 AM, Luigi Rizzo <rizzo@iet.unipi.it> wrote:
> > On Thu, Jan 12, 2012 at 10:16:53AM +0100, Gary Jennejohn wrote:
> >> On Thu, 12 Jan 2012 09:11:39 +0100
> >> Luigi Rizzo <rizzo@iet.unipi.it> wrote:
> >>
> >> > usr/sbin/config assumes that the kernel config file
> >> > lives in ${src_base}/sys/${arch}/conf , which means that
> >> > if you need to build a custom kernel one needs RW
> >> > access to that directory.
> >> >
> >> > Any idea on how we can enable config to work in a
> >> > generic directory ?
> >> >
> >> > I scanned the source code usr.sbin/config and found that
> >> > it uses hardwired paths -- specifically, it looks for
> >> > the kernel source tree in "../.." and has multiple
> >> > hardwired paths such as "../../conf/".
> >> > There is also a somewhat undocumented access to a
> >> > file called DEFAULTS that extends the configuration you pass.
> >> >
> >> > Any objections to the addition of a "-s" option to config(8)
> >> > to specify the location of the source tree ?
> >> >
> >>
> >> Seems like a good idea to me as long as the old behavior is kept.
> >
> > of course :)
>
> Why not just set KERNCONFDIR?
The variable does not seem to be used by usr/sbin/config
cheers
luigi
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