[GRASS-dev] undefined reference to G_alloc_matrix()

[Hamish]

Glynn:
> > I'm wondering whether those functions (matrix/vector alloc/free)
> > really belong in the gmath library. It can be quite a heavy
> > dependency, optionally requiring FFTW, BLAS and LAPACK.
> >
> > The significance of this is that, if a user installs a binary GRASS
> > package, and they don't have FFTW (or their version of FFTW is
> > incompatible with the one used to build the gmath library), it won't
> > just be the handful of programs which need FFTW which fail to work.

Markus:
> In some cleanup activity we moved it to gmath. Later, gmath
> got enriched with FFTW support and such.
> 
> It should possibly go back to libgis (in GRASS 7).

.... or move FFTW stuff etc. into an "advanced_math" library.


Hamish