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Date: Sun, 30 Dec 2001 13:05:29 +0100
From: Christoph Hellwig <hch@caldera.de>
To: Kai Germaschewski <kai@tp1.ruhr-uni-bochum.de>
Cc: Linus Torvalds <torvalds@transmeta.com>, linux-kernel@vger.kernel.org,
        Keith Owens <kaos@ocs.com.au>, kbuild-devel@lists.sourceforge.net
Subject: Re: [kbuild-devel] Re: State of the new config & build system
Message-ID: <20011230130529.A27210@caldera.de>
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	Kai Germaschewski <kai@tp1.ruhr-uni-bochum.de>,
	Linus Torvalds <torvalds@transmeta.com>,
	linux-kernel@vger.kernel.org, Keith Owens <kaos@ocs.com.au>,
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In-Reply-To: <Pine.LNX.4.33.0112281416290.23445-100000@penguin.transmeta.com> <Pine.LNX.4.33.0112290005110.2889-100000@vaio>
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In-Reply-To: <Pine.LNX.4.33.0112290005110.2889-100000@vaio>; from kai@tp1.ruhr-uni-bochum.de on Sat, Dec 29, 2001 at 12:44:06AM +0100
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On Sat, Dec 29, 2001 at 12:44:06AM +0100, Kai Germaschewski wrote:
> But yes, it seems possible to replace the -MD dependency file, which
> depends on a specific config, with a generic dependency file, which knows
> about our #ifdef CONFIG_XXX and translates them to the corresponding
> ifeq(CONFIG_,) Makefile syntax. It'd make an interesting project, but it
> effectively means re-implementing a C preprocessor.

Michael already wrote such a program.  It's part of the dancing
makefiles patch, which btw is a kernel build system that is not only
correct but also faster than the old one..

It's scripts/mk/fix_dep.c in a kernel tree with the following patch
applied:

	ftp://ftp.kernel.org/pub/linux/kernel/projects/kbuild/dancing-makefiles-2.4.0-test10.bz2

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