problem with gfortran

hi everybody,
maybe i found the problem because gfortran doesn't work.
i typed

/usr/local/bin/gfortran -v

and i got

dyld: Library not loaded: /usr/lib/libiconv.2.dylib
Referenced from: /usr/local/bin/gfortran
Reason: Incompatible library version: gfortran requires version 7.0.0 or later, but libiconv.2.dylib provides version 5.0.0
Trace/BPT trap

what should i do?

thanks

Where did you get the

Where did you get the gfortran ? I use the gfortran from

http://gcc.gnu.org/wiki/GFortranBinariesMacOS

and it works.