scipy/scipy — pull request #280 by pv (2012-08-01 19:14:53+00:00)
Title: BUG: use g77 ABI when linking against Accelerate/Veclib

As per the discussion on: http://projects.scipy.org/scipy/ticket/1618

The Fortran ABI in Veclib/Accelerate is that of g77, not that of gfortran, so let's tell the compiler to force it. (Using a wrong ABI causes bogus return values from FUNCTIONs.) A robust fix would be to avoid relying on the exact ABI at all, but the compiler flag should be good enough in practice.

I didn't actually test this, someone with OSX at hand is needed. This may also resolve ARPACK and QZ callback issues.