On Thu, 2007-09-06 at 15:24 +1200, Hamish wrote: > Brad Douglas wrote: > > Both Soren and myself would like to replace the BLAS/LAPACK (Fortran > > code) libraries with ATLAS, a tuned C version. This also gets us away > > from the Fortran issues suffered by gcc4. > > > > If there are no objections, I would like to go ahead and modify > > configure.in and include/ to reflect this. > .. > > One thing we have not discussed yet is possibly merging lib/gmath and > > lib/gpde. Right now, we should probably leave it alone. I haven't > > checked to see what all uses lib/gpde. > > Hi, > > IMO important technical decisions such as this need to happen over on > the grass-dev mailing list to allow contributions from all devels and > a single source for future thread archive searches.
I've already discussed most of this without objection on the dev list. cc'ing this email. > and FWIW, fortran90 support in the latest gcc4 releases seems to be much > improved over earlier versions. (but AFAIK grass has ever only linked to > f77 stuff) That requires that BLAS/LAPACK be ported to f90. BTW, I have created a work-around that allows gcc4 to still use f77. Regardless, BLAS/LAPACK needs better definition in autoconf. I have autoconf code that allows us to pick and close the BLAS/LAPACK implementation that best suits our needs. That could be traditional f77 BLAS/LAPACK, ATLAS, SciLAPACK, etc. This gives the person compiling the ability to "tune" to their application (cluster, SMP, SMP cluster). Unfortunately, I haven't been able to test it (autoreconf issues). -- 73, de Brad KB8UYR/6 <rez touchofmadness com> _______________________________________________ grass-dev mailing list [email protected] http://grass.itc.it/mailman/listinfo/grass-dev
