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##############################################################################
# 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
##############################################################################
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'}
PrgEnv = 'PrgEnv-gnu'
PrgEnv_compiler = 'gcc'
@property
def openmp_flag(self):
return "-fopenmp"
@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=c++0x"
else:
return "-std=c++11"
@property
def cxx14_flag(self):
if self.version < ver('4.8'):
tty.die("Only gcc 4.8 and above support c++14.")
else:
return "-std=c++14"
@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)
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