[Numpy-discussion] Error building numpy (1.5.1 and 1.6.1rc3) with python2.7 debug

Sandro Tosi morph@debian....
Fri Aug 5 18:37:56 CDT 2011


Hello,

On Sat, Jul 16, 2011 at 22:45, Bruce Southey <bsouthey@gmail.com> wrote:
> On Sat, Jul 16, 2011 at 4:34 AM, Sandro Tosi <morph@debian.org> wrote:
>> Hello,
>> while preparing a test upload for 1.6.1rc3 in Debian, I noticed that
>> it gets an error when building blas with python 2.7 in the debug
>> flavor, the build log is at [1]. It's also been confirmed it fails
>> also with 1.5.1 [2]
>>
>> [1] http://people.debian.org/~morph/python-numpy_1.6.1~rc3-1_amd64.build
>> [2] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=634012
>>
>> I think it might be a toolchain change in Debian (since 1.5.1 was
>> built successfully and now it fails), but could you please give me a
>> hand in debugging the issue?
>>
>> Thanks in advance,
>> --
>> Sandro Tosi (aka morph, morpheus, matrixhasu)
>> My website: http://matrixhasu.altervista.org/
>> Me at Debian: http://wiki.debian.org/SandroTosi
>> _______________________________________________
>> NumPy-Discussion mailing list
>> NumPy-Discussion@scipy.org
>> http://mail.scipy.org/mailman/listinfo/numpy-discussion
>>
> Hi,
> What do you mean by 'python2.7 debug'?
>
> Numpy 1.6.1rc's and earlier build and install with Python 2.7 build in
> debug mode ($ ./configure --with-pydebug
> ) on 64-bit Fedora 14 and 15. But, if I can follow you build process
> (should be the plain 'python setup.py build' to be useful) I think
> numpy is not finding the correct blas/lapack/atlas libraries so either
> you may need a site.cfg for that system or install those in the Linux
> standard locations such as /usr/lib64.
>
> You should probably try building without blas, lapack and atlas etc.:
> BLAS=None LAPACK=None ATLAS=None python setup.py build

It's not a matter of not finding the headers: the same build process
succeeds if run using gfortran-4.5 while fails if run with
gfortran-4.6 , it's likely that gcc is more strict now and something
needs to be adapted in numpy.

Has someone successfully built numpy with gcc 4.6 ?

Cheers,
-- 
Sandro Tosi (aka morph, morpheus, matrixhasu)
My website: http://matrixhasu.altervista.org/
Me at Debian: http://wiki.debian.org/SandroTosi


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