Re: More on binary packages and FFTW/ATLAS

[Paul Kienzle]

On Feb 20, 2004, at 8:26 PM, Quentin Spencer wrote:

> Paul Kienzle wrote:
>
> > > We could do something similar, where Octave would not actually be 
> > > linked with a Lapack or Blas library, but would dlopen them and look 
> > > up functions as needed (or at startup, to fill in a table) and then 
> > > call the linear algebra functions via pointers.  This way, it would 
> > > be easy to switch from one linear algebra package to another, 
> > > perhaps even at run time if you really wanted to do that.  Should we 
> > > make a change like this?
> >
> > I see this as more of an install time than a run time issue. No need 
> > to complicate the code when the os runtime already supports finding 
> > and loading dynamic libraries.
>
> However, there's one argument for runtime detection I can think of. If 
> octave and associated libraries are maintained centrally on a network 
> file system for a group of users who may have different hardware 
> types, it would be nice to have libraries available for all hardware 
> types and have applications such as octave detect which one they 
> should load.

But that could be handled by an appropriate LD_LIBRARY_PATH and/or 
symlinks.
Indeed, you want to do it this way so that it is automatically 
available for Octave, R,
Scilab, SciPy, etc.

Paul Kienzle
address@hidden



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