This is a known limitation due to the Apple's refusal to use GPLv3 which
resulted in the gas 'as' assembler in Xcode being left at the last release
which was licensed as GPLv2. The nearest you will get to a solution is to
use dragonegg-gcc48 which uses the --spec-as feature by default to use the
llvm assembler instead of gas. Unfortunately, the dragonegg project has
lost its maintainer and is rapidly bit-rotting with no support for the gcc
4.9.x releases.
Jack
On Monday, June 23, 2014, Alexander Hansen <alexanderk.han...@gmail.com>
wrote:
> On 6/23/14, 5:39 AM, Malcioglu, Osman wrote:
>
>> Hi everyone,
>>
>> I’m trying to compile openBLAS in my macbook pro with ivy bridge cpu. I
>> have gcc-4.9 of fink installed, however, the sandy bridge specific
>> optimisations are not recognised by the fink compilers (apple XCODE
>> versions do support them) This results in errors such as 'no such
>> instruction: `vzeroupper’’
>>
>> Is there a way to install through fink compiler versions specific to my
>> architecture?
>>
>> Best,
>> Baris
>>
>>
>>
>>
> I'll bring the gcc49 maintainer in on the discussion since he knows the
> most about the internal details.
>
> In general, Fink tries to _avoid_ CPU-tuning of package builds.
> --
> Alexander Hansen, Ph.D.
> Fink User Liaison
> My package updates: http://finkakh.wordpress.com/
>
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