[fortran,patch] BLAS-enabled matmul

[Daniel Jacobowitz]

On Mon, Apr 03, 2006 at 04:32:30PM -0700, Brooks Moses wrote:
> That does sound clearer, yes.  I gather that what you mean is that the 
> -fexternal-blas option doesn't take an argument, and the user supplies 
> other options (-lmy_blas_library, or whatever) in the usual way to 
> actually link in the BLAS library?

Yes, precisely.

> I think this would combine well in combination with my other suggestion, 
> too -- the explanation there would instead be "-fexternal_blas redirects 
> use of some matrix intrinsics to external BLAS calls" or something like 
> that.

You could arrange to use weak symbols on most targets to get the
benefits you need here without having to mess with the naming.

-- 
Daniel Jacobowitz
CodeSourcery