linux-kernel - Re: [RFC PATCH] kconfig: use long options in conf

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Message-ID: <20100729151650.GA20261@redhat.com>
Date:	Thu, 29 Jul 2010 11:16:51 -0400
From:	Aristeu Rozanski <aris@...hat.com>
To:	Michal Marek <mmarek@...e.cz>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	lkml <linux-kernel@...r.kernel.org>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Roman Zippel <zippel@...ux-m68k.org>,
	Uwe Kleine-Koig <u.kleine-koenig@...gutronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [RFC PATCH] kconfig: use long options in conf

On Thu, Jul 29, 2010 at 05:04:57PM +0200, Michal Marek wrote:
> On 29.7.2010 16:47, Aristeu Rozanski wrote:
> > On Thu, Jul 29, 2010 at 11:23:49AM +0200, Michal Marek wrote:
> >> On 29.7.2010 10:13, Sam Ravnborg wrote:
> >>> On Wed, Jul 28, 2010 at 10:36:22PM +0200, Sam Ravnborg wrote:
> >>>> Hi Michal.
> >>>>
> >>>> I cooked up the following to introduce long options in conf.
> >>>> But in the process I dropped the short options. Is this OK?
> >>>
> >>> On top of this patch I did another two.
> >>> They fixup the *nonint_oldconfig targets:
> >>>
> >>> nonint_oldconfig:
> >>> - renamed to listnewconfig
> >>> - print new options to stdout (to better support redirect)
> >>> - no longer saves a new configuration
> >>> - does ot exist with a failure code if there is new options
> > but this kills its usefulness. nonint_oldconfig is used so you can script
> > the use of a generated configuration (think distro kernel RPMs). if something
> > is not set, it fails listing what's not set. otherwise it'll save the
> > configuration and whatever script is using it can proceed.
> > "listnewconfig" is a new, different target to me.
> 
> How about
> new=$(make listnewconfig)
> if test -n "$new"; then
>     echo "Please set the following options:" >&2
>     echo "$new" >&2
>     exit 1
> fi
> ? Wouldn't that be the same as nonint_oldconfig before?
what's the other use cases for listnewconfig (other than a incomplete
nonint_oldconfig)?

-- 
Aristeu

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