[Numpy-discussion] is my numpy installation using custom blas/lapack?

Chris Colbert sccolbert@gmail....
Sat Jun 6 12:25:36 CDT 2009


when you build numpy, did you use site.cfg to tell it where to find
your atlas libs?

On Sat, Jun 6, 2009 at 1:02 PM, Richard Llewellyn<llewelr@gmail.com> wrote:
> Hello,
>
> I've managed a build of lapack and atlas on Fedora 10 on a quad core, 64,
> and now (...) have a numpy I can import that runs tests ok. :]    I am
> puzzled, however, that numpy builds and imports lapack_lite.  Does this mean
> I have a problem with the build(s)?
> Upon building numpy, I see the troubling output:
>
> ########################
>
> C compiler: gcc -pthread -fno-strict-aliasing -DNDEBUG -O2 -g -pipe -Wall
> -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protecto
> r --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fPIC
>
> compile options: '-c'
> gcc: _configtest.c
> gcc -pthread _configtest.o -L/usr/local/rich/src/scipy_build/lib -llapack
> -lptf77blas -lptcblas -latlas -o _configtest
> /usr/bin/ld: _configtest: hidden symbol `__powidf2' in
> /usr/lib/gcc/x86_64-redhat-linux/4.3.2/libgcc.a(_powidf2.o) is reference
> d by DSO
> /usr/bin/ld: final link failed: Nonrepresentable section on output
> collect2: ld returned 1 exit status
> /usr/bin/ld: _configtest: hidden symbol `__powidf2' in
> /usr/lib/gcc/x86_64-redhat-linux/4.3.2/libgcc.a(_powidf2.o) is reference
> d by DSO
> /usr/bin/ld: final link failed: Nonrepresentable section on output
> collect2: ld returned 1 exit status
> failure.
> removing: _configtest.c _configtest.o
> Status: 255
> Output:
>   FOUND:
>     libraries = ['lapack', 'ptf77blas', 'ptcblas', 'atlas']
>     library_dirs = ['/usr/local/rich/src/scipy_build/lib']
>     language = f77
>     define_macros = [('NO_ATLAS_INFO', 2)]
>
> ##########################
>
> I don't have root on this machine, but could pester admins for eventual
> temporary access.
>
> Thanks much for any help,
> Rich
>
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>


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