[Numpy-discussion] C-compiler options

Dan Yamins dyamins@gmail....
Thu Nov 11 06:48:41 CST 2010


> Yes, it should. This was fixed a couple of days ago in
> commit:435c7262592e94c8519f (master) and commit:8346ba04a5c574441304
> (1.5.x). I guess you used an older revision, can you please update and
> try again?
>

Did this, but am having the same problem.    This is the relevant output at
the beginning of the build process that is showing that the wrong options
being used:

$python setup.py build

....

C compiler: /usr/bin/gcc-4.0 -fno-strict-aliasing -fno-common -dynamic -pipe
-O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes

...


So then when I try to actually use the installed binary, I get this error:

In [1]: import numpy
---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)

....

----> 5 import multiarray
      6 import umath
      7 import _internal # for freeze programs

ImportError: dlopen(numpy/core/multiarray.so, 2): no suitable image found.
 Did find:
numpy/core/multiarray.so: mach-o, but wrong architecture

Obviously consistently,

$file numpy/core/multiarray.so
numpy/core/multiarray.so: Mach-O bundle i386

...


Somehow, the build config script is not picking up the fact that the python
interpreter I'm using is 64bit.

Dan




>
> > I've used the same build process on the same machine (in what I thought
> were
> > identical situations, apparently not) a number of times in the past, and
> it
> > has always built correctly as 64 bit.   I never needed to set compiler
> > options.
> > 2) How do I set  C compiler options for the numpy build process?
>
> That shouldn't be necessary.
>
> Cheers,
> Ralf
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