[Bug middle-end/63794] -mcmodel=large in gfortran on x86_64 emits references junk `@GOTOFF' after expression on darwin

[howarth at bromo dot med.uc.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63794

--- Comment #3 from howarth at bromo dot med.uc.edu ---
Note that the default makefile.mom in the source tarball can be linked against
the libnetcdff installed from the fink (http://finkproject.org)
netcdf-fortran7/netcdf-fortran7-shlibs packages.