infra/base-images/base-sanitizer-libs-builder/packages/nettle.py

#!/usr/bin/env python
# Copyright 2017 Google Inc.
#
# 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.
#
################################################################################

import os
import shutil

import package


def AddNoAsmArg(config_path):
  """Add --disable-assembler to config scripts."""
  shutil.move(config_path, config_path + '.real')
  with open(config_path, 'w') as f:
    f.write(
        '#!/bin/sh\n'
        '%s.real --disable-assembler "$@"\n' % config_path)
  os.chmod(config_path, 0755)


class Package(package.Package):
  """nettle package."""

  def __init__(self, apt_version):
    super(Package, self).__init__('nettle', apt_version)

  def PreBuild(self, source_directory, env, custom_bin_dir):
    AddNoAsmArg(os.path.join(source_directory, 'configure'))