[Numpy-discussion] Re: numarray 1.3.1 setup patch for mac OS X veclib

[Andrew Jaffe]

Hi Todd etc,

> I have related question though:  Should USE_LAPACK be the default for
> Mac OS-X?  Is the vecLib framework is *always* there?
>
> Regards,
> Todd

I think it's always there under OS X per se, but not, perhaps, under 
non-OS X Darwin. Does anyone out there use Darwin under those 
circumstances?

But given the structure of the distutils, why not just check for the 
existence of the *framework*, in which case you know that use_lapack is 
appropriate?

Andrew



>> On 22 May 2005, at 17:46, Andrew Jaffe wrote:
>>
>>> Hi all,
>>
>>> I've had some trouble getting the numarray-1.3.1 setup scripts to
>> recognize the optimized
>>> BLAS/LAPACK, veclib, on OS X. But I think I've tracked down the 
>>> problems.
>>
>>> First, the section of addons.py that checks for the existence of the
>>> framework (around line 47) needs to set lapack_dirs = [], I think,
>>> since it needs to exist later on.
>>
>>> Second, the section after that that sets lapack_compile_args,
>>> lapack_link_args and lapack_include_dirs for *all* cases (lines 
>>> 57-60)
>>> overwrites lapack_link_args from the if...elif...else above.
>>
>>> Finally, cblas.h isn't included correctly, since the framework option
>>> is only used for linking, not compiling.
>>
>>> I've attached a patchfile for addons.py below; I switched the two
>> sections and added to the
>>> framework if... clause. Use it with
>>> patch addons.py addons.patch
>>
>>> I hope this is a reasonable way to propagate this to the developers.
>>
>>> Please let me know if it doesn't work for any reason, or if it breaks
>> any other install, which
>>> I haven't checked.
>>
>> ______________________________________________________________________
>> Andrew Jaffe
>> Astrophysics Group
>> Blackett Laboratory, Room 1013
>> Imperial College, Prince Consort Road
>> London SW7 2AZ ENGLAND              http://astro.imperial.ac.uk/~jaffe
>>