linux-kernel - Re: [PATCH] powerpc: fix distclean with Makefile.postlink

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Message-ID: <VI1PR0401MB259158901716F82DEFE1C42198EE0@VI1PR0401MB2591.eurprd04.prod.outlook.com>
Date:   Mon, 8 May 2017 13:50:42 +0000
From:   Horia Geantă <horia.geanta@....com>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
CC:     Nicholas Piggin <npiggin@...il.com>,
        Mircea Pop <mircea.pop@....com>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] powerpc: fix distclean with Makefile.postlink

On 5/8/2017 2:57 PM, Michael Ellerman wrote:
> Horia Geantă <horia.geanta@....com> writes:
> 
>> Makefile.postlink always includes include/config/auto.conf, however
>> this file is not present in a clean kernel tree, causing make to fail:
>>
>> arch/powerpc/Makefile.postlink:10: include/config/auto.conf: No such file or directory
>> make[1]: *** No rule to make target `include/config/auto.conf'.  Stop.
>> make: *** [vmlinuxclean] Error 2
>>
>> Change the inclusion such that file not being found does not trigger
>> an error.
>>
>> Fixes: f188d0524d7e ("powerpc: Use the new post-link pass to check relocations")
> 
> I can't reproduce this. What exact steps are you doing? And what version
> of Make?
> 
Start with a clean kernel tree and then
make distclean
arch/powerpc/Makefile.postlink:10: include/config/auto.conf: No such
file or directory
make[1]: *** No rule to make target `include/config/auto.conf'.  Stop.
make: *** [vmlinuxclean] Error 2

make --version
GNU Make 3.82
Built for x86_64-redhat-linux-gnu
Copyright (C) 2010  Free Software Foundation, Inc.
[...]

The fix is basically the same as:
6e5b95cdbd0e MIPS: Fix distclean with Makefile.postlink

Regards,
Horia