Having Issue Compiling Nwchem 6.3

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Gets Around

2:02:51 AM PDT - Sat, Sep 13th 2014

What error do you get when you unset ARMCI_NETWORK=OPENIB?

Hello.
The error I am getting when I unset OPENIB and perform the whole thing again from the begining:
as
1. set paths for NWCHEM_TOP and preinstalled OpenMPI.
2. make nwchem_config
3 make [giving error]

......
.......
........
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking dependency style of g++... gcc3
configure: 
configure: Assembler
configure: 
checking dependency style of cc... gcc3
configure: 
configure: Fortran compiler
configure: 
checking whether we are using the GNU Fortran 77 compiler... yes
checking whether gfortran accepts -g... yes
checking for Fortran 77 compiler vendor... gnu
checking whether a simple Fortran MPI program compiles... no
configure: error: in `/home/abhisek/nwchem/nwchem-6.3.revision2-src.2013-10-17/src/tools/build':
configure: error: could not compile simple Fortran MPI program
See `config.log' for more details
make[1]: *** [build/config.status] Error 1
make: *** [libraries] Error 1

please help me out from this problem.
thank you.