1#!/usr/bin/env python
2# Copyright 2017 Google Inc.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16################################################################################
17
18import os
19import shutil
20
21import package
22
23
24class Package(package.Package):
25  """pixman package."""
26
27  def __init__(self, apt_version):
28    super(Package, self).__init__('pixman', apt_version)
29
30  def PostDownload(self, source_directory):
31    # Incorrect checking of GCC vector extension availability.
32    os.system('sed s/support_for_gcc_vector_extensions=yes/'
33              'support_for_gcc_vector_extensions=no/ -i %s/configure.ac' %
34              source_directory)
35
36  def PreBuild(self, source_directory, env, custom_bin_dir):
37    blocklist_flag = ' -fsanitize-blacklist=' + os.path.join(
38        os.path.dirname(os.path.abspath(__file__)), 'pixman_blocklist.txt')
39    env['DEB_CXXFLAGS_APPEND'] += blocklist_flag
40    env['DEB_CFLAGS_APPEND'] += blocklist_flag
41