old_contents: ##############################################################################
  # Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Created 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 Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, 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 Lesser 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.compiler import *
  
  
  class Pgi(Compiler):
      # Subclasses use possible names of C compiler
      cc_names = ['pgcc']
  
      # Subclasses use possible names of C++ compiler
      cxx_names = ['pgc++', 'pgCC']
  
      # Subclasses use possible names of Fortran 77 compiler
      f77_names = ['pgfortran', 'pgf77']
  
      # Subclasses use possible names of Fortran 90 compiler
      fc_names = ['pgfortran', 'pgf95', 'pgf90']
  
      # Named wrapper links within spack.build_env_path
      link_paths = {'cc': 'pgi/pgcc',
                    'cxx': 'pgi/pgc++',
                    'f77': 'pgi/pgfortran',
                    'fc': 'pgi/pgfortran'}
  
      PrgEnv = 'PrgEnv-pgi'
      PrgEnv_compiler = 'pgi'
  
      @property
      def openmp_flag(self):
          return "-mp"
  
      @property
      def cxx11_flag(self):
          return "-std=c++11"
  
      @property
      def pic_flag(self):
          return "-fpic"
  
      @classmethod
      def default_version(cls, comp):
          """The '-V' option works for all the PGI compilers.
          Output looks like this::
  
              pgcc 15.10-0 64-bit target on x86-64 Linux -tp sandybridge
              The Portland Group - PGI Compilers and Tools
              Copyright (c) 2015, NVIDIA CORPORATION.  All rights reserved.
          """
          return get_compiler_version(
              comp, '-V', r'pg[^ ]* ([^ ]+) \d\d\d?-bit target')
  
new_contents: ##############################################################################
  # Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Created 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 Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, 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 Lesser 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.compiler import *
  
  
  class Pgi(Compiler):
      # Subclasses use possible names of C compiler
      cc_names = ['pgcc']
  
      # Subclasses use possible names of C++ compiler
      cxx_names = ['pgc++', 'pgCC']
  
      # Subclasses use possible names of Fortran 77 compiler
      f77_names = ['pgfortran', 'pgf77']
  
      # Subclasses use possible names of Fortran 90 compiler
      fc_names = ['pgfortran', 'pgf95', 'pgf90']
  
      # Named wrapper links within spack.build_env_path
      link_paths = {'cc': 'pgi/pgcc',
                    'cxx': 'pgi/pgc++',
                    'f77': 'pgi/pgfortran',
                    'fc': 'pgi/pgfortran'}
  
      PrgEnv = 'PrgEnv-pgi'
      PrgEnv_compiler = 'pgi'
  
      @property
      def openmp_flag(self):
          return "-mp"
  
      @property
      def cxx11_flag(self):
          return "-std=c++11"
  
      @property
      def pic_flag(self):
          return "-fpic"
  
      @classmethod
      def default_version(cls, comp):
          """The ``-V`` option works for all the PGI compilers.
          Output looks like this::
  
              pgcc 15.10-0 64-bit target on x86-64 Linux -tp sandybridge
              The Portland Group - PGI Compilers and Tools
              Copyright (c) 2015, NVIDIA CORPORATION.  All rights reserved.
  
          on x86-64, and::
  
              pgcc 17.4-0 linuxpower target on Linuxpower
              PGI Compilers and Tools
              Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
  
          on PowerPC.
          """
          return get_compiler_version(
              comp, '-V', r'pg[^ ]* ([0-9.-]+) [^ ]+ target on ')
  
subject: Fix PGI compiler detection on PowerPC (#4150)