[SciPy-User] Trouble installing scipy after upgrading to Mac OS X 10.7 aka Lion

[Bill Carithers]

Hi Ralf,

Thanks for the prompt reply. I just checked out from trunk today. The
checkout version at the end said:
Checked out external at revision 8716.
Checked out revision 7183.

Should I be using a branch to get the latest code that includes your fix ?

Thanks,
Bill

On 8/10/11 1:55 PM, "Ralf Gommers" <ralf.gommers at googlemail.com> wrote:

> 
> 
> On Wed, Aug 10, 2011 at 10:47 PM, Bill Carithers <wccarithers at lbl.gov> wrote:
>> Hi all,
>> 
>> When I upgraded to Lion, it wiped out my previous Python2.6 site-packages,
>> including scipy-0.7.1. Now I¹m trying to re-install the latest scipy from svn
>> in the Python2.7 supplied from Apple. After reading the installation
>> instructions, I followed the recommendation to use the fortran compiler (Gnu
>> Fortran 4.2.4 for Lion) from http://r.research.att.com/tools/ which installed
>> in Xcode 4.1. (Actually, I¹m a little confused by this since, even though the
>> installation said it succeeded, I couldn¹t find it. Also when I did ³gfortran
>> ­version² from the command line, it returned
>> ³i686-apple-darwin11-gfortran-4.2.1: no input files².)
>> 
> Try "gfortran --version" with two dashes to get more sensible output. You have
> it installed.
> 
>> When I tried to build and install with ³sudo python setup.py install², it was
>> humming along until it got to ARPACK the exited with exit status 1. It looks
>> to my untrained eye as if it failed when trying to compile
>> scipy/sparse/linalg/eigen/arpack/ARPACK/FWRAPPERS/veclib_cabi_c.c: The
>> terminal output for this portion of the build is appended below.
>> 
> This should have been fixed by commit effa6f6 about two weeks ago, please
> check that your checkout is up-to-date.
> 
>  
>> Another question... Mac OS X 10.7 has an Accelerator for vecLib that includes
>> a built-in BLAS/ATLAS. Shouldn¹t the build be using this? How do I tell it
>> where to find it?
> 
> The build does use this by default. It's called "Accelerate Framework".
> 
> Cheers,
> Ralf
> 
> 
> 
> 
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