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From: Arnd Bergmann <arnd@arndb.de>
To: Mike Waychison <mikew@google.com>
Subject: Re: [klibc] [PATCH] build: Define __EXPORTED_HEADER__
Date: Mon, 28 Feb 2011 13:11:16 +0100
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On Monday 28 February 2011, Mike Waychison wrote:
> How is one expected to test if the files should be rebuild or not?
> Forcing a headers_install as part of a build will cause the entire
> userland to be rebuilt.

How about changing headers_install to only install files that have
changed? Make headers_install alreadh knows the list of all files
it is installing.

	Arnd