symbols not found error

I am making the executable (make openmpi) and I get the following error. I got an error similar to this one yesterday so I installed a new gfortran and gcc and then installed a new lammps. I only installed one package- meam.

Undefined symbols:
  "__gfortran_deallocate", referenced from:
      _meam_cleanup_ in libmeam.a(meam_cleanup.o)
      _meam_cleanup_ in libmeam.a(meam_cleanup.o)
      _meam_cleanup_ in libmeam.a(meam_cleanup.o)
      _meam_cleanup_ in libmeam.a(meam_cleanup.o)
      _meam_cleanup_ in libmeam.a(meam_cleanup.o)
      _meam_cleanup_ in libmeam.a(meam_cleanup.o)
      _meam_cleanup_ in libmeam.a(meam_cleanup.o)
      _meam_cleanup_ in libmeam.a(meam_cleanup.o)
  "__gfortran_allocate64_array", referenced from:
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
  "__gfortran_pow_r8_i4", referenced from:
      _erose_ in libmeam.a(meam_setup_done.o)
      _erose_ in libmeam.a(meam_setup_done.o)
      _erose_ in libmeam.a(meam_setup_done.o)
      _get_densref_ in libmeam.a(meam_setup_done.o)
      _get_zij2_ in libmeam.a(meam_setup_done.o)
      _phi_meam_ in libmeam.a(meam_setup_done.o)
      _phi_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
      _compute_pair_meam_ in libmeam.a(meam_setup_done.o)
ld: symbol(s) not found
collect2: ld returned 1 exit status
make[1]: *** [../lmp_openmpi] Error 1
make: *** [openmpi] Error 2

You need to link with -lgfortran. Axel.