gfortran does not use libmudflap
Former commit I added --disable-libmudflap in configure...
Submitted by: Steve Kargl <sgk@troutmask.apl.washington.edu>
from GCC's tree-ssa-20020619-branch and still this
is alpha stage.
you can invoke Fortran by typing gfortran or g95,
Note: gcc-3.5 will include this effort.