On Thu, Mar 26, 2009 at 8:33 AM, kickniko <karagiaourog...@bluewin.ch> wrote:
>
> Hi William!
>
>> > I thought that perhaps that error message "illegal instruction sage-
>> > ipython "$@" -i" from line 197 of the sage-sage file could be a hint
>> > for some easy tweak, but it seems that it isn't.
>
>> "Illegal instruction" means that the binary was built on a G5 and
>> you're trying to run it on a G4.  Unfortunately, at present some
>> important component of Sage is compiling in special G5 instructions.
>> I think we don't know which component yet with certainty, though I
>> suspect mpir-gmp.   It's also possible that the version of GCC that
>> was used to build the binary has changed and is now more aggressive
>> about generating optimized code for a given processor.
>
> Tank you very much, William! This both solved the mystery for me, and
> also showed me that I can't use this package anyway. I didn't expect
> that, since other packages I installed took care of the existing
> hardware too, but it is as it is in this case.
>
> BTW, does anything else remain on the harddisk after deleting the sage
> folder?

There might be a hidden directory .sage in your home directory.  You
can safely delete it.

You might try using sagenb.org if you just want to make some casual
use of Sage.  It's exactly the same as running sage on your laptop,
but probably a lot faster, since it's running on much more powerful
hardware than your laptop.

William

>
>>
>> Can somebody with a G4 laptop build a sage-3.4 binary and upload it to
>> sage.math, then post the link here?
>
> That would be really nice, but if it takes too much time I can also
> understand if nobody does it.
>
> Anyway, thanks a lot!
>
> Nick
> >
>



-- 
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org

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