Note.
Use bash, ROMS3.0
Use /opt/mpich2/ch3_nemesis_mx-pgi/bin/mpif90. So in .bashrc, set path..
PATH="/opt/mpich2/ch3_nemesis_mx-pgi/bin:/usr/cluster/pgi/linux86-64/6.0:.:$PATH:/home/ahui/hyodae/scoar/Model/RSM/libs/etc:/home/ahui/hyodae/scoar/Model/RSM/libs/etc/utils"; export PATH

Change Compilers/Linux_mpi.mk
NETCDF_INCDIR ?= /opt/iprc/netcdf-3.6.2-beta4/include
NETCDF_LIBDIR ?= /opt/iprc/netcdf-3.6.2-beta4/lib

submit job:
qsub pbs_mpi2_ch3_nemesis_mx-oceanM-pgi.sh