linux-kernel - [ANNOUNCE] updated version of streamline

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Message-ID: <alpine.DEB.2.00.0904291508140.8066@gandalf.stny.rr.com>
Date:	Wed, 29 Apr 2009 15:22:14 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	LKML <linux-kernel@...r.kernel.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Gregory Haskins <ghaskins@...ell.com>,
	Theodore Tso <tytso@....edu>
Subject: [ANNOUNCE] updated version of streamline_config.pl

I've been stumbling over one of the failures of streamline config. The 
ability to add module configurations needed as a dependency for other 
modules, but do not have actual modules.

That is: If module a.ko is enabled by config CONFIG_A but depends on 
CONFIG_B, and there exists no b.ko for CONFIG_B, the script will keep 
CONFIG_A = m, but will not keep CONFIG_B = m and the "make oldconfig" will 
disable CONFIG_A.

This update solves this by not only reading the Makefiles, but it also 
reads the Kconfig* files to find all the depends for all configs. Now it 
will detect CONFIG_B is needed for CONFIG_A and keep both enabled.

The code is here:

 http://rostedt.homelinux.com/code/streamline_config.pl

And how to use it is at the top of the file.

Note, if people are still interested in adding this script to mainline, I 
can write up a patch to put it somewhere in the scripts/ directory.

-- Steve

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