linux-kernel - Re: [PATCH] kbuild: work around distcc/icecc madness

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.LFD.2.00.0903202240370.29264@localhost.localdomain>
Date:	Fri, 20 Mar 2009 22:57:38 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	Sam Ravnborg <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] kbuild: work around distcc/icecc madness

On Fri, 20 Mar 2009, Peter Zijlstra wrote:
> > Changing from distcc to gcc will start a full rebuild on linus tree as
> > well.
> 
> I just tried:
> 
> root@...ns:/mnt/build/linux-2.6# /mnt/md0/cross/bin/x86_64-linux-gcc --version
> x86_64-linux-gcc (GCC) 4.3.1 20080510 (prerelease)
> Copyright (C) 2008 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> 
> root@...ns:/mnt/build/linux-2.6# gcc --version
> gcc (Ubuntu 4.3.2-1ubuntu12) 4.3.2
> Copyright (C) 2008 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> 
> The build with the distcc x86_64-linux-gcc compiler and the install
> using the host compiler works just fine on Linus' tree.

Hmm, I went through all the Makefile changes and we do not touch those
bits at all.

Can you check whether builddir/scripts/mod/.empty.o.cmd has
-DCONFIG_AS_CFI in the command line ?

Can you check that file after you built -tip (w/o my patch) and after
your make install started to rebuild the tree ?

Thanks,

	tglx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/