[Numpy-discussion] Import error in builds of 7726

David Cournapeau david at ar.media.kyoto-u.ac.jp
Tue Nov 10 21:58:34 EST 2009

Chris wrote:
> I am building Numpy on OSX 10.6 using a recent update
> from SVN (r7726). Though I was able to build the package
> successfully, the resulting package generates an ImportError:
>     import umath
> ImportError: dlopen(/Library/Python/2.6/site-packages/
> numpy-1.4.0.dev7726-py2.6-macosx-10.6-
> universal.egg/numpy/core/umath.so, 2): Symbol not found
> : _npy_cexp
>   Referenced from: /Library/Python/2.6/site-packages/
> numpy-1.4.0.dev7726-py2.6-macosx-10.6-universal.egg/
> numpy/core/umath.so
>   Expected in: flat namespace
>  in /Library/Python/2.6/site-packages/
> numpy-1.4.0.dev7726-py2.6-macosx-10.6-universal.egg
> /numpy/core/umath.so
> Note that this did not occur previously (r7542). For some reason
> umath is not being built properly.

Did you make sure to build from scratch and clean the working directory
first ?

I don't see the error on my macbook: umath.so has npy_cexp* functions


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