old_contents: ##############################################################################
  # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
  # LLNL-CODE-647188
  #
  # For details, see https://github.com/llnl/spack
  # Please also see the LICENSE file for our notice and the LGPL.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License (as published by
  # the Free Software Foundation) version 2.1 dated February 1999.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
  # conditions of the GNU General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public License
  # along with this program; if not, write to the Free Software Foundation,
  # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  ##############################################################################
  from spack import *
  
  class Mpfr(Package):
      """The MPFR library is a C library for multiple-precision
         floating-point computations with correct rounding."""
      homepage = "http://www.mpfr.org"
      url      = "http://www.mpfr.org/mpfr-current/mpfr-3.1.3.tar.bz2"
  
      version('3.1.3', '5fdfa3cfa5c86514ee4a241a1affa138')
      version('3.1.2', 'ee2c3ac63bf0c2359bf08fc3ee094c19')
  
      depends_on('gmp')
  
      def install(self, spec, prefix):
          configure("--prefix=%s" % prefix)
          make()
          make("install")
  
new_contents: ##############################################################################
  # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
  # LLNL-CODE-647188
  #
  # For details, see https://github.com/llnl/spack
  # Please also see the LICENSE file for our notice and the LGPL.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License (as published by
  # the Free Software Foundation) version 2.1 dated February 1999.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
  # conditions of the GNU General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public License
  # along with this program; if not, write to the Free Software Foundation,
  # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  ##############################################################################
  from spack import *
  
  class Mpfr(Package):
      """The MPFR library is a C library for multiple-precision
         floating-point computations with correct rounding."""
      homepage = "http://www.mpfr.org"
      url      = "https://gforge.inria.fr/frs/download.php/latestfile/159/mpfr-3.1.2.tar.bz2"
  
      version('3.1.4', 'b8a2f6b0e68bef46e53da2ac439e1cf4')
      version('3.1.3', '5fdfa3cfa5c86514ee4a241a1affa138')
      version('3.1.2', 'ee2c3ac63bf0c2359bf08fc3ee094c19')
  
      depends_on('gmp')
  
      def install(self, spec, prefix):
          configure("--prefix=%s" % prefix)
          make()
          make("install")
  
subject: change of url for mpfr