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('--arch', required=True, help='Target architecture')
parser.add_argument('--api-level', required=True, help='Target API level')
parser.add_argument('--ndk',
required=True,
help='Standalone NDK toolchain')
(parsed, extra_command_line_args) = parser.parse_known_args(args)
SYS_PLATFORM_TO_NDK_HOST_ARCH = {
'cygwin': 'windows-x86_64',
'darwin': 'darwin-x86_64',
'linux': 'linux-x86_64',
'linux2': 'linux-x86_64',
'darwin': 'darwin-x86_64',
'win32': 'windows-x86_64',
}
ndk_host_arch = SYS_PLATFORM_TO_NDK_HOST_ARCH[sys.platform]
ndk_bin_dir = os.path.join(parsed.ndk, 'toolchains', 'llvm', 'prebuilt',
ndk_host_arch, 'bin')
if not os.path.exists(ndk_bin_dir):
parser.error("missing toolchain")
ARCH_TO_ARCH_TRIPLET = {
'arm': 'armv7a-linux-androideabi',
'arm64': 'aarch64-linux-android',
'ia32': 'i686-linux-android',
'x64': 'x86_64-linux-android',
}
clang_prefix = ARCH_TO_ARCH_TRIPLET[parsed.arch] + parsed.api_level
os.environ['CC_target'] = os.path.join(ndk_bin_dir,
clang_prefix + '-clang')
os.environ['CXX_target'] = os.path.join(ndk_bin_dir,
clang_prefix + '-clang++')
extra_args = ['-D', 'android_api_level=' + parsed.api_level]
# ARM only includes 'v7a' in the tool prefix for clang
tool_prefix = ('arm-linux-androideabi' if parsed.arch == 'arm' else
ARCH_TO_ARCH_TRIPLET[parsed.arch])
for tool in ('ar', 'nm', 'readelf'):
os.environ['%s_target' % tool.upper()] = (os.path.join(
ndk_bin_dir, '%s-%s' % (tool_prefix, tool)))
return gyp_crashpad.main([
'-D', 'OS=android', '-D',
'target_arch=%s' % parsed.arch, '-D', 'clang=1', '-f', 'ninja-android'
] + extra_args + extra_command_line_args)
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': 'x86',
'x86_64-linux-android': 'x86_64',
'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)
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)