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[Octave-bug-tracker] [bug #32120] complex times complex failure

From: Michael C. Grant
Subject: [Octave-bug-tracker] [bug #32120] complex times complex failure
Date: Thu, 20 Mar 2014 06:18:33 +0000
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.74.9 (KHTML, like Gecko) Version/7.0.2 Safari/537.74.9

Follow-up Comment #35, bug #32120 (project octave):

[Damnit, I keep forgetting the bug tracker has no email gateway. I sure wish
that could be changed.]

Yes, it does. It needs the first ax_blas pass to fail, and then it should try
"blaswrap.o -framework vecLib".

I've actually learned a lot about the BLAS issue, *and* about dynamic library
handling in OSX, studying this. Armed with this info I've basically written an
entirely new blas wrapper (I'm calling it vecLibFort). It fixes *all* of the
offending BLAS and LAPACK calls (hopefully all of them), using a combination
of static and dynamic replacement. It also provides the ability to patch
*compiled* applications using the Mac equivalent of LD_PRELOAD
(DYLD_INSERT_LIBRARIES). It's also a lot more compact thanks to some
preprocessing tricks. 

I think it's something that would be of great benefit to the wider Mac
community; I know there are other Homebrew projects that have latent bugs due
to the gfortran/vecLib incompatibility.

If you'll hang just a bit longer, I'll let you know when that code is ready to
check out (likely tomorrow).


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