NCARG-6.0 on CENTOS6

I have installed ncl-6.0 64 bit binaries on our main file server for our
LINUX systems--The "ncl gsun01n.ncl" and "ncargex cpex08 -clean" run
fine for our Centos 5 systems for checking the installation of the new
ncl-6.0--When I run these tests on our new Centos 6 system, the ncl test
runs fine but the ncargex fails with the following errors below--I only
included a few at the top of the error list but many more appear. Was
hoping someone might have a clue as to what I am missing or need to fix.

[tisone@aster ~]$ ncargex cpex08 -clean

NCAR Graphics Fortran Example <cpex08>

   Copying cpex08.f

   Copying cpexcc.f

Compiling and linking...
gfortran -fPIC -fno-second-underscore -O -o cpex08 cpexcc.f cpex08.f
-L/opt/local/ncarg-6.0/linux86-64/lib -L/usr/X11R6/lib64 -lncarg
-lncarg_gks -lncarg_c -lX11 -lXext
/opt/local/ncarg-6.0/linux86-64/lib/libncarg.a(cpcldm.o): In function
`cpcldm_':
cpcldm.f:(.text+0x7e5): undefined reference to `_gfortran_copy_string'
cpcldm.f:(.text+0xa17): undefined reference to `_gfortran_pow_r4_i4'
cpcldm.f:(.text+0xa86): undefined reference to `_gfortran_pow_r4_i4'
cpcldm.f:(.text+0xdcf): undefined reference to `_gfortran_copy_string'
cpcldm.f:(.text+0xe59): undefined reference to `_gfortran_copy_string'
cpcldm.f:(.text+0xf28): undefined reference to `_gfortran_copy_string'
cpcldm.f:(.text+0x1014): undefined reference to `_gfortran_copy_string'
cpcldm.f:(.text+0x10ad): undefined reference to `_gfortran_copy_string'
/opt/local/ncarg-6.0/linux86-64/lib/libncarg.a(cpcldm.o):cpcldm.f:(.text+0x114f):
more undefined references to `_gfortran_copy_string' follow
/opt/local/ncarg-6.0/linux86-64/lib/libncarg.a(cppkcl.o): In function
`cppkcl_':

I have checked the gfortran pkgs loaded and I have the following
installed which I hoped might clear up the problem.

[tisone@aster ~]$ yum list all|grep gfortran

compat-libgfortran-41.i686 4.1.2-39.el6 @base
compat-libgfortran-41.x86_64 4.1.2-39.el6
                  @anaconda-CentOS-201106060106.x86_64/6.0
gcc-gfortran.x86_64 4.4.6-3.el6 @base
libgfortran.i686 4.4.6-3.el6 @base
libgfortran.x86_64 4.4.6-3.el6 @base

-- 
   Vic
Victor P. Tisone           Computer System Management Team (CSMT)
tisone@ucar.edu            voice: (303)497-1519  fax: (303)497-1589
High Altitude Observatory  P.O. Box 3000 Boulder CO 80307  USA
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