linux-kernel - Re: [PATCH] MIPS: fix build failure

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Message-ID: <5630A3FC.9030007@imgtec.com>
Date:	Wed, 28 Oct 2015 10:31:24 +0000
From:	Markos Chandras <Markos.Chandras@...tec.com>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	Ralf Baechle <ralf@...ux-mips.org>
CC:	<linux-kernel@...r.kernel.org>, Alex Smith <alex.smith@...tec.com>,
	Matthew Fortune <matthew.fortune@...tec.com>
Subject: Re: [PATCH] MIPS: fix build failure

On 10/28/2015 10:18 AM, Markos Chandras wrote:
> On 10/28/2015 10:08 AM, Sudip Mukherjee wrote:
>> While building for mips defconfig the build failed with the error:
>> In function 'create_elf_tables':
>> arch/mips/include/asm/elf.h:425:14: error: 
>> 'AT_SYSINFO_EHDR' undeclared (first use in this function)
>>
>> AT_SYSINFO_EHDR is defined in uapi/asm/auxvec.h which was not included
>> here.
>>
>> Fixes: c1fb442ade67 ("MIPS: Initial implementation of a VDSO")
>> Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
>> ---
>>
>> This patch is based on mips-for-linux-next branch.
>>
> 
> Something is not right here. The <linux/auxvec.h> header is already
> included in that file which in turns includes uapi/asm/auxvec.h
> 
> I haven't seen this failure in Ralf's tree. Could you share your .config
> and perhaps the hash of the mips-for-linux-next tree you tried it on?
> 
> 
I believe your problem might be similar to this

https://www.linux-mips.org/archives/linux-mips/2015-10/msg00280.html

in other words either remove the generated headers or do a 'make
mrproper' (make sure to backup your .config) and try again

-- 
markos
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