[SciPy-User] build scipy on os x 10.6, python.org 2.7

Robin robince@gmail....
Wed Oct 6 08:10:34 CDT 2010


On Tue, Oct 5, 2010 at 6:49 PM, Matthew Brett <matthew.brett@gmail.com> wrote:
> Hi Robin,
>
>> I am trying to build scipy (current trunk) on OS X 10.6 with
>> python.org 2.7 (32 bit).
>>
>> There seems to be a problem that it is trying to build -arch ppc64 (log below).
>>
>> Is there a way to disable this architecture (and even x86_64) so the
>> build will complete?
>
> I think I might have posted on this yesterday.  If I understand
> correctly the problem is that the calculated gfortran linking flags
> get all the archs that the compiler / machine are capable of, which
> will likely be a superset of those that python and the numpy C code
> were built with.  I had to set the FFLAGS and LDFLAGS to constrain the
> archs.  In my case that was:
>
> export FFLAGS=-arch ppc -arch i386
> export LDFLAGS=-arch ppc -arch i386 -Wall -undefined dynamic_lookup -bundle
>
> but I guess you would need to review the scipy default link flags
> output to get the right match for your system.

Thanks very much - that solved it (I wasn't sure about how to set
compile flags with distutils). Sorry I missed your post on scipy-dev.

Cheers

Robin


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