[SciPy-dev] Build failure on OS X 10.5.8, Python 2.5, gcc-4.0.1

David Cournapeau david@ar.media.kyoto-u.ac...
Sat Nov 7 01:16:27 CST 2009

Charles R Harris wrote:
>     error: Command "gcc -arch ppc -arch i386 -isysroot /Developer/SDKs/
>     MacOSX10.4u.sdk -fno-strict-aliasing -Wno-long-double
>     -no-cpp-precomp -
>     mno-fused-madd -fno-common -dynamic -DNDEBUG -g -O3 -I/Library/
>     Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/
>     numpy/core/include -c scipy/optimize/Zeros/bisect.c -o build/
>     temp.macosx-10.3-ppc-2.5/scipy/optimize/Zeros/bisect.o" failed with
>     exit status 1
>     I will try removing -Wno-long-double from the appropriate places and
>     muddle through the build (I should note that I'm on a PPC machine
>     which may be one of the boundary cases where all of this long double
>     confusion is coming from.)
> I suspect David (C) can fix this one. PPC has it's own, non-ieee,
> version of long doubles and so is a bit of an outlier.

The work on long double has not touched build options. For all I can
remember, the -wno-long-double flag was there for quite some time. Maybe
a python distutils bug ? I have a ppc minimac at home, I may fire it up
to check this, but I don't think it is a regression by numpy,


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