./configure --prefix=/home/hmrc/mpich2-install 2>&1 | tee c.txt

make 2>&1 | tee m.txt

make install 2>&1 | tee mi.txt

PATH=/home/hmrc/mpich2-install/bin:$PATH ; export PATH

which mpicc
/home/hmrc/mpich2-install/bin/mpicc

which mpiexec
/home/hmrc/mpich2-install/bin/mpiexec