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Date: Tue, 6 Sep 2011 14:34:19 +0200
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From: Olivier Smedts <olivier@gid0.org>
To: Dimitry Andric <dim@freebsd.org>
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Cc: Volodymyr Kostyrko <c.kworr@gmail.com>, freebsd-current@freebsd.org
Subject: Re: Compiling BETA2 with clang fails
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2011/9/6 Dimitry Andric <dim@freebsd.org>:
> On 2011-09-05 06:01, Volodymyr Kostyrko wrote:
> ...
>>>
>>> You should not unconditionally add -fPIC. Remove it, and try again.
>>> (The -Qunused-arguments is fine, btw.)
>>
>> 0k, here you go. Just as you say - no -fPIC, no ccache, no anything.
>
> ...
>>
>> /usr/obj/usr/src/tmp/usr/lib/crt1.o: In function `_start1':
>> /usr/src/lib/csu/i386-elf/crt1_c.c:(.text+0x7d): undefined reference to
>> `atexit'
>> /usr/src/lib/csu/i386-elf/crt1_c.c:(.text+0x84): undefined reference to
>> `_init_tls'
>> /usr/src/lib/csu/i386-elf/crt1_c.c:(.text+0x90): undefined reference to
>> `atexit'
>> /usr/src/lib/csu/i386-elf/crt1_c.c:(.text+0xad): undefined reference to
>> `exit'
>
> Hm, sorry that I did not notice it before, but maybe you are having the
> issue described here:
>
> http://lists.freebsd.org/pipermail/freebsd-current/2011-August/026594.htm=
l

I think it's more like the following issue, which is not new :
http://lists.freebsd.org/pipermail/freebsd-current/2011-May/024509.html

I personally avoid -march=3Dnative with clang on recent CPUs, and use
-march=3Dcore2 instead on a Core2 and a Corei7.

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