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Date: Tue, 16 Jul 2013 11:05:46 +0200
From: Borislav Petkov <bp@alien8.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Yann E. MORIN" <yann.morin.1998@free.fr>,
        "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@kernel.org>,
        Kyungsik Lee <kyungsik.lee@lge.com>, Michal Marek <mmarek@suse.cz>,
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        linux-arm-kernel@lists.infradead.org, hyojun.im@lge.com,
        chan.jeong@lge.com, raphael.andy.lee@gmail.com,
        Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
        Russell King <rmk@arm.linux.org.uk>,
        Florian Fainelli <florian@openwrt.org>,
        Yann Collet <yann.collet.73@gmail.com>,
        Chanho Min <chanho.min@lge.com>
Subject: Re: [PATCH -next 2/2] kbuild: fix for updated LZ4 tool with the new
 streaming format
Message-ID: <20130716090546.GB4402@pd.tnic>
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On Tue, Jul 16, 2013 at 01:27:56AM -0700, Andrew Morton wrote:
> What I'm angling at is, rather than a single global front-end script,
> can we embed the scripts in some fashion within the various Kconfig
> files?  Say,
> 
> 	script ./some-script.sh
> 
> and the config system will only evaluate that command if it is working
> on that Kconfig file.  Obviously that requires a multiple-pass thing.

What's wrong with simply grepping the .config we've just created for
*enabled* symbols which require userspace support, check for the
presence of said support and bail out if none?

I.e., those steps:

1. make <whatever>config
2. make => A prereq. target runs the shell script.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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