Description of problem:
+ /usr/bin/python3 setup.py build '--executable=/usr/bin/python3 -s'
Traceback (most recent call last):
  File "/usr/lib64/python3.7/site-packages/numpy/core/__init__.py", line 16, in <module>
    from . import multiarray
ImportError: /usr/lib64/python3.7/site-packages/numpy/core/multiarray.cpython-37m-s390x-linux-gnu.so: undefined symbol: LogBase2_128
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "setup.py", line 1, in <module>
    from numpy.distutils.core import setup, Extension
  File "/usr/lib64/python3.7/site-packages/numpy/__init__.py", line 142, in <module>
    from . import add_newdocs
  File "/usr/lib64/python3.7/site-packages/numpy/add_newdocs.py", line 13, in <module>
    from numpy.lib import add_newdoc
  File "/usr/lib64/python3.7/site-packages/numpy/lib/__init__.py", line 8, in <module>
    from .type_check import *
  File "/usr/lib64/python3.7/site-packages/numpy/lib/type_check.py", line 11, in <module>
    import numpy.core.numeric as _nx
  File "/usr/lib64/python3.7/site-packages/numpy/core/__init__.py", line 26, in <module>
    raise ImportError(msg)
ImportError: 
Importing the multiarray numpy extension module failed.  Most
likely you are trying to import a failed build of numpy.
If you're working with a numpy git repo, try `git clean -xdf` (removes all
files not under version control).  Otherwise reinstall numpy.
Original error was: /usr/lib64/python3.7/site-packages/numpy/core/multiarray.cpython-37m-s390x-linux-gnu.so: undefined symbol: LogBase2_128

Version-Release number of selected component (if applicable):
python3-numpy-1:1.15.0-1.fc29.s390x

How reproducible:
Always

Steps to Reproduce:
1. Try using numpy on s390x.

Actual results:
Traceback.

Expected results:
Numpy works fine.