Max Mayzel wrote:
> Dag Sverre Seljebotn <da...@...> writes:
>
>
>>
>>>>> Hi,
>>>>> I'm trying to run testlapack example from cython-notur09 on OS X 10.6.
>>>>> First, while compiling I faced with following error
>>>>> gcc -L/sw64/lib -bundle -L/sw64/lib/python2.6/config -lpython2.6
>>>>> build/temp.macosx-10.4-i386-2.6/lapack.o
>>>>> -L/Applications/development/sage//local/lib -llapack -lf77blas -lcblas
>>>>> -latlas -o lapack.so -g
>>>>> Undefined symbols:
>>>>> "_clapack_dgesv", referenced from:
>>>>> _dgesv in lapack.o
>>>>> _dsolve in lapack.o
>>>>> ld: symbol(s) not found
>>>>> So I changed clapack_dgesw in lapack.pxd to dgesw and successfully
>>>>> build it against SAGE (sage-4.2.1-OSX10.6-Intel-64bit-i386-Darwin.dmg)
>>>>> but when I run testlapack.test() python froze, using 100% of CPU,
>>>>> below is debuging info.
>>>>>
>>>>>
>>>>>
>>>>>>>> tl.test()
>>>>>>>>
>>>>>>>>
>>>>> test start
>>>>> ^C
>>>>> Program received signal SIGINT, Interrupt.
>>>>> 0x00000001005280a4 in dgesv (__pyx_v_Order=CblasRowMajor, __pyx_v_N=3,
>>>>> __pyx_v_NRHS=1, __pyx_v_A=0x7fff5fbfdda0, __pyx_v_lda=3,
>>>>> __pyx_v_ipiv=0x7fff5fbfde10, __pyx_v_B=0x7fff5fbfddf0, __pyx_v_ldb=3)
>>>>> at lapack.c:775
>>>>> 775 static int dgesv(enum CBLAS_ORDER __pyx_v_Order, int __pyx_v_N,
>>>>> int __pyx_v_NRHS, double *__pyx_v_A, int __pyx_v_lda, int
>>>>> *__pyx_v_ipiv, double *__pyx_v_B, int __pyx_v_ldb) {
>>>>> (gdb) exit
>>>>>
>>>>>
>>> In [3]: numpy.show_config()
>>> lapack_opt_info:
>>> extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
>>> extra_compile_args = ['-msse3']
>>> define_macros = [('NO_ATLAS_INFO', 3)]
>>>
>>> blas_opt_info:
>>> extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
>>> extra_compile_args = ['-msse3',
>>> '-I/System/Library/Frameworks/vecLib.framework/Headers']
>>> define_macros = [('NO_ATLAS_INFO', 3)]
>>>
>>>
>>>
>> Hmm. I expected a line libraries=[...] in there. Try
>> scipy.show_config()? I'm afraid I don't have a good answer, one just has
>> to find the right set of libraries to link with.
>>
>> Dag Sverre
>>
>>
> Here it is
> In [2]: scipy.show_config()
> amd_info:
> libraries = ['amd']
> library_dirs = ['/sw64/lib']
>
> umfpack_info:
> libraries = ['umfpack', 'amd']
> library_dirs = ['/sw64/lib']
>
> lapack_opt_info:
> extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
> extra_compile_args = ['-msse3']
> define_macros = [('NO_ATLAS_INFO', 3)]
>
> blas_opt_info:
> extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
> extra_compile_args = ['-msse3',
> '-I/System/Library/Frameworks/vecLib.framework/Headers']
> define_macros = [('NO_ATLAS_INFO', 3)]
>
> As far, as I understand, numpy and scipy are build against Mac OS X
> Accelerated
> framework, which includes lapack and blas libs, but as I've wrote recently,
> when
> I'm building case a crash
>
Have you tried dropping libraries=.... from setup.py? You should really
build your extension the way SciPy has been built, meaning modifying
setup.py so that gcc is invoked in the way described by blas_opt_info above.
Dag Sverre
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