On 03/16/2017 02:44 PM, Bidwell, Christopher wrote:
> Thanks for the quick response.  rpm -ql of that package shows:
>
> I don't know anything really about fortran stuff.  Does gfortran44 have
> the same abilities and backward compatibility as g77 or f77?
>
> /usr/bin/gfortran44
> /usr/lib/gcc
> /usr/lib/gcc/x86_64-redhat-linux
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/32
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/32/libgfortran.a
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/32/libgfortran.so
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/32/libgfortranbegin.a
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/finclude
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/finclude/omp_lib.f90
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/finclude/omp_lib.h
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/finclude/omp_lib.mod
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/finclude/omp_lib_kinds.mod
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/libgfortran.a
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/libgfortran.so
> /usr/lib/gcc/x86_64-redhat-linux/4.4.7/libgfortranbegin.a
> /usr/libexec/gcc
> /usr/libexec/gcc/x86_64-redhat-linux
> /usr/libexec/gcc/x86_64-redhat-linux/4.4.7
> /usr/libexec/gcc/x86_64-redhat-linux/4.4.7/f951
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2002.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2002.libgfortran.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2003.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2003.libgfortran.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2004.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2004.libgfortran.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2005.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2005.libgfortran.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2006.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2006.libgfortran.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2007.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2007.libgfortran.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog-2008.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog.libgfortran.bz2
> /usr/share/doc/compat-gcc-44-gfortran-4.4.7/ChangeLog.ptr.bz2
> /usr/share/info/gfortran44.info.gz
> /usr/share/man/man1/gfortran44.1.gz
>

Been a long time since I've had to deal with it, but it is my 
understanding that g77 development has ceased and that gfortran is the 
re-implementation of it, and is mostly compatible.  I have no direct 
experience though.