linux-kernel - Re: [Suggestion] arch: avr32: compiler: compiling tools issue

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Date:	Tue, 25 Jun 2013 15:43:07 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Hans-Christian Egtvedt <egtvedt@...fundet.no>
CC:	Håvard Skinnemoen <hskinnemoen@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [Suggestion] arch: avr32: compiler: compiling tools issue

On 06/25/2013 02:48 PM, Hans-Christian Egtvedt wrote:
> Around Tue 25 Jun 2013 11:14:14 +0800 or thereabout, Chen Gang wrote:
>> > Hello Maintainers:
>> > 
>> > With allmodconfig, and set "avr32-linux-gnu-" as cross compiler prefix.
>> > 
>> > It will report error:
>> >   avr32-linux-gnu-gcc: error: unrecognized command line option ‘-mno-pic’
>> >   avr32-linux-gnu-gcc: error: unrecognized command line option ‘-march=ap’
>> > 
>> > The related gcc version:
>> >   [root@...p122 linux-next]# rpm -qf /usr/bin/avr32-linux-gnu-gcc
>> >   gcc-avr32-linux-gnu-4.7.1-0.1.20120606.fc17.x86_64
> Interesting version, 4.7.1.
> 
>> > Can we say: it is compiler's issue, and I need try to compile the cross
>> > compiler to test it again ?
> I would assume so, I didn't know Atmel finally pushed all the source code to
> support avr32-linux from upstream.
> 
> I still use a jay old 4.2 based GCC port, which was the last one I used when
> working for Atmel.

Is it possible to use the compiler tools (may from source code and
compile the compiler tools firstly), to compile the latest upstream
kernel (e.g next-20130624) for avr32 ?

Thanks.
-- 
Chen Gang

Asianux Corporation
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