linux-kernel - Re: [PATCH] UAPI: Remove empty Kbuild files

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Message-ID: <29647.1364331583@warthog.procyon.org.uk>
Date:	Tue, 26 Mar 2013 20:59:43 +0000
From:	David Howells <dhowells@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	dhowells@...hat.com, torvalds@...ux-foundation.org, arnd@...db.de,
	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] UAPI: Remove empty Kbuild files

Andrew Morton <akpm@...ux-foundation.org> wrote:

> > Remove empty Kbuild files as they cause problems with the patch program
> > which removes files that become empty.
> > 
> > Should I also remove include/Kbuild as that now does nothing?  Or should
> > it be left as an anchor just in case we want it in future?
> 
> I think that if the build system created it, a `make clean' or `make
> mproper' should rub it out again.  Ideally a `make mrproper' will give
> you a tree which is identical to a freshly-untarred kernel.org tarball
> (yes?).

Ummm...  What's that got to do with it?  include/Kbuild is part of the
sources: make clean/mrproper/distclean should not be removing it.

> Which reminds me of my email which you're still hiding from ;)
> Shouldn't a `make mrproper' undo the effects of `make headers_install'
> by wiping ./usr/include/?

Ummm...

	warthog>cp .../.config .
	warthog>make -j12 >&/dev/null
	warthog>find usr/include/ | wc -l
	873
	warthog>make distclean >&/dev/null
	warthog>find usr/include/ | wc -l
	find: `usr/include/': No such file or directory
	0

and:

	warthog>cp .../.config .
	warthog>make -j12 >&/dev/null
	warthog>find usr/include/ | wc -l
	873
	warthog>make mrproper >&/dev/null
	warthog>find usr/include/ | wc -l
	find: `usr/include/': No such file or directory
	0

so I don't see the problem.

David
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