[SciPy-dev] {Num, Sci}Py on 64bit Intel Macs with icc, ifort, mkl

Robert Kern robert.kern@gmail....
Mon Jun 16 10:51:48 CDT 2008

On Mon, Jun 16, 2008 at 10:00, Ulrik Günther
<ulrik@42degreesoffreedom.com> wrote:
> Hi,
> at first, the problem is mostly the same which I already described in
> combination with the
> Intel compilers: For .so's, the -undefined dynamic_lookup flag is missing
> (which the patch
> adds), therefore linking fails.
> On Jun 16, 2008, at 5:26 AM, Robert Kern wrote:
>> 1. What package are you trying to compile that fails? Include the
>> version number or SVN revision.
> The problem happends with every package that tries to build an .so, fftpack,
> etc.

*Every* package? Even non-numpy or non-FORTRAN ones which patching
gnu.py can't affect?

Do you perchance have the environment variable LDFLAGS set somewhere?

>> 2. What part of that failed? Please copy-and-paste the build log
> The only thing that fails is the linking at the end, because the flag
> -undefined
> dynamic_lookup is missing/Python.framework is not linked in. Do you still
> need the
> build log?

Yes. Note that "-framework Python" is *not* supposed to be there.
"-undefined dynamic_lookup" takes care of that.

Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
 -- Umberto Eco

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