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
  ##############################################################################
  import llnl.util.tty as tty
  from spack.compiler import *
  from spack.version import ver
  
  class Gcc(Compiler):
      # Subclasses use possible names of C compiler
      cc_names = ['gcc']
  
      # Subclasses use possible names of C++ compiler
      cxx_names = ['g++']
  
      # Subclasses use possible names of Fortran 77 compiler
      f77_names = ['gfortran']
  
      # Subclasses use possible names of Fortran 90 compiler
      fc_names = ['gfortran']
  
      # MacPorts builds gcc versions with prefixes and -mp-X.Y suffixes.
      suffixes = [r'-mp-\d\.\d']
  
      # Named wrapper links within spack.build_env_path
      link_paths = {'cc'  : 'gcc/gcc',
                    'cxx' : 'gcc/g++',
                    'f77' : 'gcc/gfortran',
                    'fc'  : 'gcc/gfortran' }
  
      @property
      def cxx11_flag(self):
          if self.version < ver('4.3'):
              tty.die("Only gcc 4.3 and above support c++11.")
          elif self.version < ver('4.7'):
              return "-std=gnu++0x"
          else:
              return "-std=gnu++11"
  
      @classmethod
      def fc_version(cls, fc):
          return get_compiler_version(
              fc, '-dumpversion',
              # older gfortran versions don't have simple dumpversion output.
              r'(?:GNU Fortran \(GCC\))?(\d+\.\d+(?:\.\d+)?)')
  
  
      @classmethod
      def f77_version(cls, f77):
          return cls.fc_version(f77)
  
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
  ##############################################################################
  import llnl.util.tty as tty
  from spack.compiler import *
  from spack.version import ver
  
  class Gcc(Compiler):
      # Subclasses use possible names of C compiler
      cc_names = ['gcc']
  
      # Subclasses use possible names of C++ compiler
      cxx_names = ['g++']
  
      # Subclasses use possible names of Fortran 77 compiler
      f77_names = ['gfortran']
  
      # Subclasses use possible names of Fortran 90 compiler
      fc_names = ['gfortran']
  
      # MacPorts builds gcc versions with prefixes and -mp-X.Y suffixes.
      # Homebrew and Linuxes may build gcc with -X, -X.Y suffixes
      suffixes = [r'-mp-\d\.\d', r'-\d\.\d', r'-\d']
  
      # Named wrapper links within spack.build_env_path
      link_paths = {'cc'  : 'gcc/gcc',
                    'cxx' : 'gcc/g++',
                    'f77' : 'gcc/gfortran',
                    'fc'  : 'gcc/gfortran' }
  
      @property
      def cxx11_flag(self):
          if self.version < ver('4.3'):
              tty.die("Only gcc 4.3 and above support c++11.")
          elif self.version < ver('4.7'):
              return "-std=gnu++0x"
          else:
              return "-std=gnu++11"
  
      @classmethod
      def fc_version(cls, fc):
          return get_compiler_version(
              fc, '-dumpversion',
              # older gfortran versions don't have simple dumpversion output.
              r'(?:GNU Fortran \(GCC\))?(\d+\.\d+(?:\.\d+)?)')
  
  
      @classmethod
      def f77_version(cls, f77):
          return cls.fc_version(f77)
  
subject: Add additional suffixes for GCC compiler