[SciPy-User] Trouble installing scipy after upgrading to Mac OS X 10.7 aka Lion
Wed Aug 10 15:55:24 CDT 2011
On Wed, Aug 10, 2011 at 10:47 PM, Bill Carithers <email@example.com>wrote:
> Hi all,
> When I upgraded to Lion, it wiped out my previous Python2.6 site-packages,
> including scipy-0.7.1. Now I’m 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, I’m a little confused by this since, even
> though the installation said it succeeded, I couldn’t find it. Also when I
> did “gfortran –version” from the command line, it returned
> “i686-apple-darwin11-gfortran-4.2.1: no input files”.)
> Try "gfortran --version" with two dashes to get more sensible output. You
have it installed.
When I tried to build and install with “sudo python setup.py install”, 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. Shouldn’t 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".
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