linux-kernel - Build-failure with old files in build-directory (Was: Linux 3.9 released)

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Message-ID: <20130429083649.GA23540@citd.de>
Date:	Mon, 29 Apr 2013 10:36:49 +0200
From:	Matthias Schniedermeyer <ms@...d.de>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Build-failure with old files in build-directory (Was: Linux 3.9
 released)

On 28.04.2013 17:56, Linus Torvalds wrote:

I'm not sure if it is supported, but building with a O= -directory that 
was previously used to build a 3.8.9-kernel that was "clean"ed (but not 
"mrproper"ed) before building 3.9 results in a build-failure:
make[2]: *** No rule to make target `/xssd/usr_src/ko/leeloo/include/config/hz.h', needed by `kernel/hz.bc'.  Stop.

After deleting everything in the KBUILD_OUTPUT-directory, except the 
.config-file, the kernel-build worked again.

At least in the past a "clean" seamed to be enough. I had a file with a 
2.6.39-name inside, so it seams i have build my kernels this way for the 
last few releases.

-- 

Matthias
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