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# Copyright 2013 Ben Longbons <b.r.longbons@gmail.com>
#
# This file is part of attoconf.
#
# attoconf 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, either version 3 of the License, or
# (at your option) any later version.
#
# attoconf 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
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with attoconf. If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function, division, absolute_import
from ..classy import ClassyProject
from ..types import triple
# TODO: see if there's a way to expose them sanely, without using Nones
# (currently I never emit them: instead I pop the order)
def build(build, BUILD):
pass
def host(build, HOST):
if HOST is None:
BUILD = build.vars['BUILD']
build.vars['HOST'] = BUILD
def target(build, TARGET):
if TARGET is None:
HOST = build.vars['HOST']
build.vars['TARGET'] = HOST
class Arches2(ClassyProject):
__slots__ = ()
def arches(self):
super(Arches2, self).arches()
self.add_help('System types:', hidden=False)
self.add_option('--build', init=None,
type=triple, check=build,
help='configure for building on BUILD', hidden=False,
help_def='native')
self.order.pop()
self.add_option('--host', init=None,
type=triple, check=host,
help='cross-compile to build programs to run on HOST',
hidden=False, help_def='BUILD')
self.order.pop()
# TODO figure out the mro implications when I use this
class Arches3(Arches2):
__slots__ = ()
def arches(self):
super(Arches3, self).arches()
self.add_option('--target', init=None,
type=triple, check=target,
help='configure for building compilers for TARGET',
hidden=False, help_def='HOST')
self.order.pop()
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