Re: Which GNAT requires LAPACK and BLAS for Ada.Numerics.xxx?

[Ludovic Brenta <ludovic@ludovic-brenta.org>]

Jerry wrote on comp.lang.ada:
> The PLplot developers need a bit of help with automating their build
> process with regard to Ada (GNAT only). They use cmake. As the person
> who wrote the Ada binding, I've been asked to get the information.
>
> Currently, cmake has an Ada 2005 flag which if set, with-s and use-s
> Ada.Numerics.Long_Real_Arrays which was added in Ada 2005. If the flag
> is not set, the binding source code is automatically modified a little
> bit so that the 2005-specific stuff is not needed. (The binding only
> needs the Vector and Matrix declarations, so this is a lot of work for
> such a small benefit, but that's the way things are right now.)
>
> If Ada.Numerics.Long_Real_Arrays is used, it needs to link to lapack
> and blas which the PLplot cmake process can be made to handle.
>
> So the questions are:
>
> (1) What is the earliest version of GNAT that requires lapack and blas
> if Ada.Numerics.Long_Real_Arrays is referenced? I think it might be
> 4.3.

Yes, it is 4.3.

> (2) Is there an earlier version that has the limited capabilities
> required by the Ada binding, specifically, only the declarations for
> type Real_Vector is array (Integer range <>) of Real'Base;
> type Real_Matrix is array (Integer range <>, Integer range <>)
> but which does not require linking lapack and blas?

GCC 4.2, I think.

--
Ludovic Brenta.