blob: 73b13e4128520c86dc0b993b5df55b7094d07ccc [file] [log] [blame]
# Copyright 2017 The Cobalt Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Allows to use GNU ar as a static linker."""
from starboard.tools.toolchain import abstract
from starboard.tools.toolchain import common
class StaticLinkerBase(object):
"""A base class for GNU ar-based static linkers."""
def __init__(self, **kwargs):
self._path = common.GetPath('ar', **kwargs)
self._extra_flags = kwargs.get('extra_flags', [])
def GetPath(self):
return self._path
def GetExtraFlags(self):
return self._extra_flags
def GetMaxConcurrentProcesses(self):
# Run as much concurrent processes as possible.
return None
def GetDescription(self):
return 'AR $out'
def GetRspFilePath(self):
return '$out.rsp'
def GetRspFileContent(self):
return '$in_newline'
class StaticLinker(StaticLinkerBase, abstract.StaticLinker):
"""Creates self-contained archives using GNU ar."""
def __init__(self, **kwargs):
super(StaticLinker, self).__init__(**kwargs)
def GetCommand(self, path, extra_flags, flags, shell):
del flags # Not used.
return shell.And('rm -f $out',
'{0} rcs {1} $out @$rspfile'.format(path, extra_flags))
class StaticThinLinker(StaticLinkerBase, abstract.StaticThinLinker):
"""Creates thin archives using GNU ar."""
def __init__(self, **kwargs):
super(StaticThinLinker, self).__init__(**kwargs)
def GetCommand(self, path, extra_flags, flags, shell):
del flags # Not used.
return shell.And('rm -f $out',
'{0} rcsT {1} $out @$rspfile'.format(path, extra_flags))