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Date: Wed, 30 Apr 2008 10:32:29 +0100
From: Thiemo Seufer <ths@networkno.de>
Subject: Re: [Qemu-devel] Which compiler to use to compile current SVN
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To: Brad Campbell <brad@wasp.net.au>
Cc: qemu-devel@nongnu.org

Brad Campbell wrote:
> Thiemo Seufer wrote:
>
>>> gcc-3.4  -fomit-frame-pointer -I. -I..  
>>> -I/tracks/src/src/qemu.new/target-i386 -I/tracks/src/src/qemu.new 
>>> -MMD -MP -DNEED_CPU_H -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64   
>>> -D_LARGEFILE_SOURCE -I/tracks/src/src/qemu.new/tcg  
>>> -I/tracks/src/src/qemu.new/tcg/i386 -I/tracks/src/src/qemu.new/fpu  
>>> -DHAS_AUDIO -DHAS_AUDIO_CHOICE -I/tracks/src/src/qemu.new/slirp   
>>> -march=pentium-mmx -Wall -O2 -g -fno-strict-aliasing  -m32 -c -o 
>>> helper.o 
>>   ^^^^^^^^^^^^^^^^^^
>>
>> Too much optimization. IIRC a known problem, -march needs to be a pre-MMX
>> cpu.
>
> So I'd believed.. however, I've tried -march=[i386,i486,i586,i686,pentium,pentium-mmx] ...

Ok, then I don't know why it fails in your environment.

[snip]
> How is _anybody_ compiling this source?
> Someone please give me a clue here...

I use plain Debian stable.


Thiemo