[SciPy-User] scipy installation error: fblas.so: undefined symbol: s_stop

David Cournapeau cournape@gmail....
Fri Oct 5 10:17:04 CDT 2012

On Fri, Oct 5, 2012 at 12:52 AM, Ed Sexton <sextonhadoop@gmail.com> wrote:
> Dear Scipy Users-
> I am trying to compile from source scipy (with lapack and blas) and numpy -
> but when executing scipy.test() I receive "undefined symbol: s_stop" errors
> on fblas.so:

This is most likely because you mixed up g77 and gfortran. You need to
compile everything (numpy, scipy, blas, etc...) with the same fortran


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