what "-march=" option should be used when building 64bits lfs

xinglp xinglp at gmail.com
Fri Mar 18 20:54:33 PDT 2011


2011/3/19 Stuart Stegall <keltor at keltor.org>:
> On Fri, Mar 18, 2011 at 1:12 PM, xinglp <xinglp at gmail.com> wrote:
>> "-march=i686" should be a common option for 32bits system. And I set
>> to jhalfs's "jhalfs/optimize/opt_config.d/O3pipe_march".
>> Then which option for 64bits.
>>
>> --
>> code farmer from lanxiangjixiao
>> --
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>
> -mtune=native will get you what you are looking for, but also take a look at:
when build lfs with -mtune=native on a core2 machine. can I move it to
amd platform?

> http://en.gentoo-wiki.com/wiki/Safe_Cflags
I can not open it.

-- 
code farmer from lanxiangjixiao



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