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_PETSC_COMM_WORLD and _MPI_COMM_WORLD

 

Hello,
I've just successfully compiled dolfin on my mac osx 10.5 (intel- based). everything worked fine. I also did successfully "make demo" but while executing for example "dolfin-poisson" the
following error occurs:

iacspc79:/Users/stamm/Documents/dolfin-0.6.1/src/demo/pde/poisson root# ./dolfin-poisson
dyld: Symbol not found: _PETSC_COMM_WORLD
  Referenced from: /usr/local/lib/libdolfin.0.dylib
  Expected in: flat namespace

Trace/BPT trap

Is there a conflict between _PETSC_COMM_WORLD and _MPI_COMM_WORLD? Do I have to change something in my petsc/mpi installation? Does anyone knows how to handle this
problem?

thanks for your answer

benjamin stamm

p.s. I had to downgrade the gcc compiler from 4.2 to 4.0.1 as the 4.2 seems to be more strict than the older versions
		(I had some errors during compilation).


_________________________________________________________

Benjamin Stamm
Modeling and Scientific Computing
CMCS-IACS-EPFL
Station 8
CH-1015 Lausanne
Switzerland

Tel: +41 21 693 55 09,
http://iacs.epfl.ch/~stamm/
_________________________________________________________



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