linux-kernel - Re: linux-next: build failure after merge of the tip tree

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Message-Id: <20110217144743.2db26b27.sfr@canb.auug.org.au>
Date:	Thu, 17 Feb 2011 14:47:43 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Fenghua Yu <fenghua.yu@...el.com>,
	Michal Marek <mmarek@...e.cz>
Subject: Re: linux-next: build failure after merge of the tip tree

Hi all,

On Mon, 31 Jan 2011 15:42:59 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> After merging the tip tree, today's linux-next build (x86_64 allmodconfig)
> failed like this:
> 
> x86_64-linux-gcc: arch/x86/lib/memmove_64.c: No such file or directory
> 
> Caused by commit 9599ec0471deae24044241e2173090d2cbc0e899 ("x86-64, mem:
> Convert memmove() to assembly file and fix return value bug") interacting
> with our build system.
> 
> After removing arch/x86/lib/.memmove_64.o.cmd (left over from the build
> before merging the tip tree) from my object tree, it built correctly.

I am still getting this (of course).

Michal, is there anything that the kbuild system can do for us here?
Basically we have changed from using a .c file to generate a .o to using
a .S but the build system does not regenerate the .cmd file.

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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