Hi, I am trying to build/install mpi4py on Steele. I have downloaded mpi4py-1.1.0. The modules I have are... [agarwa23@tg-steele mpi4py-1.1.0]$ module list Currently Loaded Modulefiles: 1) intel64/11.1.038 2) mpich-intel64/11.1.038 3) java/1.6.0_14 4) mpich2-intel64/11.1.038 5) hdf5-1.8.3/intel-parallel I am getting warnings while building... [agarwa23@tg-steele mpi4py-1.1.0]$ python setup.py build running build running build_py creating build creating build/lib.linux-x86_64-2.6 creating build/lib.linux-x86_64-2.6/mpi4py copying src/rc.py -> build/lib.linux-x86_64-2.6/mpi4py copying src/__init__.py -> build/lib.linux-x86_64-2.6/mpi4py creating build/lib.linux-x86_64-2.6/mpi4py/include creating build/lib.linux-x86_64-2.6/mpi4py/include/mpi4py copying src/include/mpi4py/mpi4py.h -> build/lib.linux-x86_64-2.6/mpi4py/include/mpi4py copying src/include/mpi4py/mpi4py.MPI.h -> build/lib.linux-x86_64-2.6/mpi4py/include/mpi4py copying src/include/mpi4py/mpi4py.MPI_api.h -> build/lib.linux-x86_64-2.6/mpi4py/include/mpi4py copying src/include/mpi4py/MPI.pxd -> build/lib.linux-x86_64-2.6/mpi4py/include/mpi4py copying src/include/mpi4py/mpi_c.pxd -> build/lib.linux-x86_64-2.6/mpi4py/include/mpi4py copying src/include/mpi4py/__init__.pyx -> build/lib.linux-x86_64-2.6/mpi4py/include/mpi4py copying src/include/mpi4py/mpi.pxi -> build/lib.linux-x86_64-2.6/mpi4py/include/mpi4py copying src/include/mpi4py/mpi4py.i -> build/lib.linux-x86_64-2.6/mpi4py/include/mpi4py running build_ext MPI C compiler: /apps/rhel5/mpich2-1.1.1p1/64/nemesis-intel-11.1.038/bin/mpicc MPI C++ compiler: /apps/rhel5/mpich2-1.1.1p1/64/nemesis-intel-11.1.038/bin/mpicxx MPI linker: /apps/rhel5/mpich2-1.1.1p1/64/nemesis-intel-11.1.038/bin/mpicc building 'mpi4py.MPI' extension creating build/temp.linux-x86_64-2.6 creating build/temp.linux-x86_64-2.6/src /apps/rhel5/mpich2-1.1.1p1/64/nemesis-intel-11.1.038/bin/mpicc -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/ba01/u118/agarwa23/enzo1/src/yt/doc/yt-x86_64/include/python2.6 -c src/MPI.c -o build/temp.linux-x86_64-2.6/src/MPI.o src/mpi4py.MPI.c(80664): remark #111: statement is unreachable return (signed short)__Pyx_PyInt_AsSignedLong(x); ^ src/mpi4py.MPI.c(80679): remark #111: statement is unreachable return (signed int)__Pyx_PyInt_AsSignedLong(x); ^ src/mpi4py.MPI.c(153): remark #593: variable "__pyx_skip_dispatch" was set but never used static int __pyx_skip_dispatch = 0; ^ src/mpi4py.MPI.c(986): remark #593: variable "__pyx_v_6mpi4py_3MPI_inited_atimport" was set but never used static int __pyx_v_6mpi4py_3MPI_inited_atimport; ^ These warnings are only a chunk of a whole lot of warnings I get. Help needed shankar KU Cosmology