[Bug fortran/51779] gcc 4.6.2 build fails on Mac OS X Lion w/Xcode 4.2, with gfortran erorr

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51779

--- Comment #4 from Tobias Burnus <burnus at gcc dot gnu.org> 2012-01-07 
14:08:11 UTC ---
I forgot to mention that there exist also unofficial binaries for MacOS at:
  http://gcc.gnu.org/wiki/GFortranBinaries#MacOS
Thus, that could be an alternative to fixing the MPFR issue.