[SciPy-user] scipy 0.7.0.dev4373 + atlas FAILED (failures=2, errors=12)

Johann Cohen-Tanugi cohen@slac.stanford....
Sun May 18 06:31:55 CDT 2008


last time I checked the Fedora blas/lapack distributions were still 
flawed.... Did that change for Fedora 9?
Johann

David Cournapeau wrote:
> Xavier Gnata wrote:
>   
>> Well from my point of view, it is much harder compile scipy than to 
>> compile gcc or a kernel because it looks like black magic :(
>>   
>>     
>
> No, it's not. Really. On a new debian/Ubuntu machine:
>
> sudo apt-get install g++ gcc g77 atlas3-base-dev python-dev
>
> And then, you can build numpy/scipy, and it will work 100 % of the time. 
> What is difficult is to build the dependencies, and people try to build 
> them by themselves, or in "weird" configurations.
>
> Try building the kernel with ICC, or try building gcc with a libc which 
> is not glibc. For that matter, try to build any software from scratch, 
> and you will see it is not easier.
>
> I think we should make it clearer on scipy install pages that you should 
> really use the packaged libraries when available. Before, major 
> distribution had broken blas/lapack, but those days are mostly over,
>
> cheers,
>
> David
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