FFTW 2.1.3 Libraries with Portland 4.0 & Myrinet?

Hi, Folks,

I'm having some problems compiling and using FFTW 2.1.3 libraries. 

I was wondering if perhaps there's someone out there who has a similar
setup that has experienced similar issues.

Installation is as follows:

32 athalon single-cpu nodes running linux 7.3 which myrinet
mpich-1.2.4..8a (from Myricom) compiled with Portland Compilers

When I try to compile the FFTW 2.1.3 libraries with the --enable-mpi flag
(which calls mpicc), they compile okay, but the tests included with the
FFTW libraries fail with:

"Testing correctness for n = 21...Found relative error 1.993078e+00
fftw: failure in Ergun's verification procedure"

The developers of the FFTW Libraries said I have a problem with my 
mpicc.

If I compile the FFTW libs with my gcc installation of mpich-1.2.4..8a, 
and use the gcc-build mpicc, the libraries compile fine and test fine as 
well. However, I can't get these gcc compiled FFTW libraries to work with 
my Portland compiled code.

Sooo........I'm stuck. Anybody using Portland compilers, MPI and FFTW 
libraries that can offer any advice?

Thanks for your time...

-jeffrey barteet

Systems Administrator
Materials Research Laboratory
University of California, Santa Barbara