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- #!/usr/bin/env python
- # coding: utf-8
- # Copyright 2017 The Crashpad 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.
- import argparse
- import glob
- import gyp_crashpad
- import os
- import re
- import subprocess
- import sys
- def main(args):
- parser = argparse.ArgumentParser(
- description='Set up an Android cross build',
- epilog='Additional arguments will be passed to gyp_crashpad.py.')
- parser.add_argument('--ndk', required=True, help='Standalone NDK toolchain')
- parser.add_argument('--compiler',
- default='clang',
- choices=('clang', 'gcc'),
- help='The compiler to use, clang by default')
- (parsed, extra_command_line_args) = parser.parse_known_args(args)
- NDK_ERROR=(
- 'NDK must be a valid standalone NDK toolchain.\n' +
- 'See https://developer.android.com/ndk/guides/standalone_toolchain.html')
- arch_dirs = glob.glob(os.path.join(parsed.ndk, '*-linux-android*'))
- if len(arch_dirs) != 1:
- parser.error(NDK_ERROR)
- arch_triplet = os.path.basename(arch_dirs[0])
- ARCH_TRIPLET_TO_ARCH = {
- 'arm-linux-androideabi': 'arm',
- 'aarch64-linux-android': 'arm64',
- 'i686-linux-android': 'ia32',
- 'x86_64-linux-android': 'x64',
- 'mipsel-linux-android': 'mips',
- 'mips64el-linux-android': 'mips64',
- }
- if arch_triplet not in ARCH_TRIPLET_TO_ARCH:
- parser.error(NDK_ERROR)
- arch = ARCH_TRIPLET_TO_ARCH[arch_triplet]
- ndk_bin_dir = os.path.join(parsed.ndk, 'bin')
- clang_path = os.path.join(ndk_bin_dir, 'clang')
- extra_args = []
- if parsed.compiler == 'clang':
- os.environ['CC_target'] = clang_path
- os.environ['CXX_target'] = os.path.join(ndk_bin_dir, 'clang++')
- elif parsed.compiler == 'gcc':
- os.environ['CC_target'] = os.path.join(ndk_bin_dir,
- '%s-gcc' % arch_triplet)
- os.environ['CXX_target'] = os.path.join(ndk_bin_dir,
- '%s-g++' % arch_triplet)
- # Unlike the Clang build, when using GCC with “unified headers,”
- # __ANDROID_API__ isn’t set automatically and must be pushed in to the
- # build. Fish the correct value out of the Clang wrapper script. If unified
- # headers are not being used, the Clang wrapper won’t mention
- # __ANDROID_API__, but the standalone toolchain’s <android/api-level.h> will
- # #define it for both Clang and GCC.
- #
- # Unified headers are the way of the future, according to
- # https://android.googlesource.com/platform/ndk/+/ndk-r14/CHANGELOG.md and
- # https://android.googlesource.com/platform/ndk/+/master/docs/UnifiedHeaders.md.
- with open(clang_path, 'r') as file:
- clang_script_contents = file.read()
- matches = re.finditer(r'\s-D__ANDROID_API__=([\d]+)\s',
- clang_script_contents)
- match = next(matches, None)
- if match:
- android_api = int(match.group(1))
- extra_args.extend(['-D', 'android_api_level=%d' % android_api])
- if next(matches, None):
- raise AssertionError('__ANDROID_API__ defined too many times')
- for tool in ('ar', 'nm', 'readelf'):
- os.environ['%s_target' % tool.upper()] = (
- os.path.join(ndk_bin_dir, '%s-%s' % (arch_triplet, tool)))
- return gyp_crashpad.main(
- ['-D', 'OS=android',
- '-D', 'target_arch=%s' % arch,
- '-D', 'clang=%d' % (1 if parsed.compiler == 'clang' else 0),
- '-f', 'ninja-android'] +
- extra_args +
- extra_command_line_args)
- if __name__ == '__main__':
- sys.exit(main(sys.argv[1:]))
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