[Numpy-discussion] Build numpy without support of "long double' on OS-X

Robert Kern robert.kern at gmail.com
Thu Jan 25 15:29:28 EST 2007

Sebastian Haase wrote:
> Hi!
> When I try running my code on
> panther (10.3) with a numpy that was built on tiger (10.4)
> it can't load numpy because of missing symbols
> in numpy/core/umath.so
> The symbols are
> _acoshl$LDBL128
> _acosl$LDBL128
> _asinhl$LDBL128
> (see my post from 5 oct 2006:
> http://permalink.gmane.org/gmane.comp.python.numeric.general/8521 )
> I traced the problem to the libmx system library.
> Since I really don't need "long double" (128 bit) operations - I was
> wondering if there is a flag to just turn them of?

Generally speaking, you need to build binaries on the lowest-versioned OS X that
you intend to run on.

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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