[mpich-discuss] mpich2 1.5rc3 error: initcxx.cxx: undefined reference to 'MPI_Type_size'....

[Dave Goodell]

On Oct 5, 2012, at 3:25 PM CDT, Charson Hu wrote:

> no, I use gcc, g++ and gfortran to compile the codes and the compilation  is not successful and I have never had a chance to run it.

Please use "mpicxx" instead of "g++" in your makefile, and omit any "-lmpich" arguments (or similar).  In a similar fashion, use "mpicc" instead of "gcc" and "mpif90" instead of "gfortran".

-Dave