blob: fe4718d1111d95779eb0b1acca0304bea42205e9 [file] [log] [blame]
#!/usr/bin/env python3
# Copyright 2016 The Dart project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import argparse
import os
import platform
import subprocess
import sys
import time
import utils
HOST_OS = utils.GuessOS()
HOST_ARCH = utils.GuessArchitecture()
SCRIPT_DIR = os.path.dirname(sys.argv[0])
DART_ROOT = os.path.realpath(os.path.join(SCRIPT_DIR, '..'))
AVAILABLE_ARCHS = utils.ARCH_FAMILY.keys()
GN = os.path.join(DART_ROOT, 'buildtools', 'gn')
# Environment variables for default settings.
DART_USE_TOOLCHAIN = "DART_USE_TOOLCHAIN" # Use instread of --toolchain-prefix
DART_USE_SYSROOT = "DART_USE_SYSROOT" # Use instead of --target-sysroot
DART_USE_CRASHPAD = "DART_USE_CRASHPAD" # Use instead of --use-crashpad
# use instead of --platform-sdk
DART_MAKE_PLATFORM_SDK = "DART_MAKE_PLATFORM_SDK"
DART_GN_ARGS = "DART_GN_ARGS"
def ToolchainPrefix(args):
if args.toolchain_prefix:
return args.toolchain_prefix
return os.environ.get(DART_USE_TOOLCHAIN)
def TargetSysroot(args):
if args.target_sysroot:
return args.target_sysroot
return os.environ.get(DART_USE_SYSROOT)
def MakePlatformSDK():
return DART_MAKE_PLATFORM_SDK in os.environ
def GetGNArgs(args):
if args.gn_args != None:
return args.gn_args
args = os.environ.get(DART_GN_ARGS) or ""
return args.split()
def GetOutDir(mode, arch, target_os, sanitizer):
return utils.GetBuildRoot(HOST_OS, mode, arch, target_os, sanitizer)
def ToCommandLine(gn_args):
def merge(key, value):
if type(value) is bool:
return '%s=%s' % (key, 'true' if value else 'false')
elif type(value) is int:
return '%s=%d' % (key, value)
return '%s="%s"' % (key, value)
return [merge(x, y) for x, y in gn_args.items()]
# Runs true if the currently executing python interpreter is running under
# Rosetta. I.e., python3 is an x64 executable and we're on an arm64 Mac.
def IsRosetta():
if platform.system() == 'Darwin':
p = subprocess.Popen(['sysctl', '-in', 'sysctl.proc_translated'],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
output, _ = p.communicate()
return output.decode('utf-8').strip() == '1'
return False
def HostCpuForArch(arch):
# Check for Rosetta before checking platform.machine(), as the latter
# returns 'x86_64' when running under Rosetta.
if IsRosetta():
if arch in ['x64', 'x64c']:
# Without this case, we would try to build with
# host_cpu="arm64"
# target_cpu="x64"
# dart_target_arch="x64"
# Which requires the VM to use an x64 simulator in the host
# arm64 binaries, and this simulator is unimplemented.
return 'x64'
else:
return 'arm64'
m = platform.machine()
if m == 'aarch64' or m == 'arm64':
return 'arm64'
if m == 'armv7l' or m == 'armv6l':
return 'arm'
if arch in ['ia32', 'arm', 'armv6', 'simarm', 'simarmv6', 'simarm_x64']:
return 'x86'
if arch in [
'x64', 'arm64', 'simarm64', 'arm_x64', 'x64c', 'arm64c', 'simarm64c'
]:
return 'x64'
# The C compiler's target.
def TargetCpuForArch(arch, target_os):
if arch in ['ia32', 'simarm', 'simarmv6']:
return 'x86'
if arch in ['x64', 'simarm64', 'simarm_x64', 'x64c', 'simarm64c']:
return 'x64'
if arch == 'arm_x64':
return 'arm'
if arch == 'arm64c':
return 'arm64'
return arch
# The Dart compiler's target.
def DartTargetCpuForArch(arch):
if arch in ['ia32']:
return 'ia32'
if arch in ['x64', 'x64c']:
return 'x64'
if arch in ['arm', 'simarm', 'simarm_x64', 'arm_x64']:
return 'arm'
if arch in ['armv6', 'simarmv6']:
return 'armv6'
if arch in ['arm64', 'simarm64', 'arm64c', 'simarm64c']:
return 'arm64'
return arch
def IsCompressedPointerArch(arch):
return arch in ['x64c', 'arm64c', 'simarm64c']
def HostOsForGn(host_os):
if host_os.startswith('macos'):
return 'mac'
if host_os.startswith('win'):
return 'win'
return host_os
# Where string_map is formatted as X1=Y1,X2=Y2 etc.
# If key is X1, returns Y1.
def ParseStringMap(key, string_map):
for m in string_map.split(','):
l = m.split('=')
if l[0] == key:
return l[1]
return None
def UseSysroot(args, gn_args):
# Don't try to use a Linux sysroot if we aren't on Linux.
if gn_args['target_os'] != 'linux' and HOST_OS != 'linux':
return False
# Don't use the sysroot if we're given another sysroot.
if TargetSysroot(args):
return False
# Our Debian Jesse sysroot doesn't work with GCC 9
if not gn_args['is_clang']:
return False
# Our Debian Jesse sysroot has incorrect annotations on realloc.
if gn_args['is_ubsan']:
return False
# Otherwise use the sysroot.
return True
def ToGnArgs(args, mode, arch, target_os, sanitizer, verify_sdk_hash):
gn_args = {}
host_os = HostOsForGn(HOST_OS)
if target_os == 'host':
gn_args['target_os'] = host_os
else:
gn_args['target_os'] = target_os
gn_args['host_cpu'] = HostCpuForArch(arch)
gn_args['target_cpu'] = TargetCpuForArch(arch, target_os)
gn_args['dart_target_arch'] = DartTargetCpuForArch(arch)
gn_args['dart_use_compressed_pointers'] = IsCompressedPointerArch(arch)
# Configure Crashpad library if it is used.
gn_args['dart_use_crashpad'] = (args.use_crashpad or
DART_USE_CRASHPAD in os.environ)
if gn_args['dart_use_crashpad']:
# Tell Crashpad's BUILD files which checkout layout to use.
gn_args['crashpad_dependencies'] = 'dart'
if DartTargetCpuForArch(arch) != HostCpuForArch(arch):
# Training an app-jit snapshot under a simulator is slow. Use script
# snapshots instead.
gn_args['dart_snapshot_kind'] = 'kernel'
else:
gn_args['dart_snapshot_kind'] = 'app-jit'
# We only want the fallback root certs in the standalone VM on
# Linux and Windows.
if gn_args['target_os'] in ['linux', 'win']:
gn_args['dart_use_fallback_root_certificates'] = True
gn_args['bssl_use_clang_integrated_as'] = True
# Use tcmalloc only when targeting Linux and when not using ASAN.
gn_args['dart_use_tcmalloc'] = ((gn_args['target_os'] == 'linux') and
(gn_args['target_cpu'] != 'arm') and
sanitizer == 'none')
# Use mallinfo2 if specified on the command line
gn_args['dart_use_mallinfo2'] = args.use_mallinfo2
if gn_args['target_os'] == 'linux':
if gn_args['target_cpu'] == 'arm':
# Default to -mfloat-abi=hard and -mfpu=neon for arm on Linux as we're
# specifying a gnueabihf compiler in //build/toolchain/linux/BUILD.gn.
floatabi = 'hard' if args.arm_float_abi == '' else args.arm_float_abi
gn_args['arm_version'] = 7
gn_args['arm_float_abi'] = floatabi
gn_args['arm_use_neon'] = True
elif gn_args['target_cpu'] == 'armv6':
floatabi = 'softfp' if args.arm_float_abi == '' else args.arm_float_abi
gn_args['target_cpu'] = 'arm'
gn_args['arm_version'] = 6
gn_args['arm_float_abi'] = floatabi
gn_args['is_debug'] = mode == 'debug'
gn_args['is_release'] = mode == 'release'
gn_args['is_product'] = mode == 'product'
gn_args['dart_debug'] = mode == 'debug'
# This setting is only meaningful for Flutter. Standalone builds of the VM
# should leave this set to 'develop', which causes the build to defer to
# 'is_debug', 'is_release' and 'is_product'.
if mode == 'product':
gn_args['dart_runtime_mode'] = 'release'
else:
gn_args['dart_runtime_mode'] = 'develop'
gn_args['exclude_kernel_service'] = args.exclude_kernel_service
gn_args['is_clang'] = args.clang
enable_code_coverage = args.code_coverage and gn_args['is_clang']
gn_args['dart_vm_code_coverage'] = enable_code_coverage
gn_args['is_asan'] = sanitizer == 'asan'
gn_args['is_lsan'] = sanitizer == 'lsan'
gn_args['is_msan'] = sanitizer == 'msan'
gn_args['is_tsan'] = sanitizer == 'tsan'
gn_args['is_ubsan'] = sanitizer == 'ubsan'
gn_args['is_qemu'] = args.use_qemu
if not args.platform_sdk:
gn_args['dart_platform_sdk'] = args.platform_sdk
# We don't support stripping on Windows
if host_os != 'win':
gn_args['dart_stripped_binary'] = 'exe.stripped/dart'
gn_args['dart_precompiled_runtime_stripped_binary'] = (
'exe.stripped/dart_precompiled_runtime_product')
gn_args['gen_snapshot_stripped_binary'] = (
'exe.stripped/gen_snapshot_product')
# Setup the user-defined sysroot.
if UseSysroot(args, gn_args):
gn_args['dart_use_debian_sysroot'] = True
else:
sysroot = TargetSysroot(args)
if sysroot:
gn_args['target_sysroot'] = ParseStringMap(arch, sysroot)
toolchain = ToolchainPrefix(args)
if toolchain:
gn_args['toolchain_prefix'] = ParseStringMap(arch, toolchain)
goma_dir = os.environ.get('GOMA_DIR')
# Search for goma in depot_tools in path
goma_depot_tools_dir = None
for path in os.environ.get('PATH', '').split(os.pathsep):
if os.path.basename(path) == 'depot_tools':
cipd_bin = os.path.join(path, '.cipd_bin')
if os.path.isfile(os.path.join(cipd_bin, 'gomacc')):
goma_depot_tools_dir = cipd_bin
break
# Otherwise use goma from home directory.
# TODO(whesse): Remove support for goma installed in home directory.
# Goma will only be distributed through depot_tools.
goma_home_dir = os.path.join(os.getenv('HOME', ''), 'goma')
if args.goma and goma_dir:
gn_args['use_goma'] = True
gn_args['goma_dir'] = goma_dir
elif args.goma and goma_depot_tools_dir:
gn_args['use_goma'] = True
gn_args['goma_dir'] = goma_depot_tools_dir
elif args.goma and os.path.exists(goma_home_dir):
gn_args['use_goma'] = True
gn_args['goma_dir'] = goma_home_dir
else:
gn_args['use_goma'] = False
gn_args['goma_dir'] = None
if gn_args['target_os'] == 'mac' and gn_args['use_goma']:
gn_args['mac_use_goma_rbe'] = True
# Code coverage requires -O0 to be set.
if enable_code_coverage:
gn_args['dart_debug_optimization_level'] = 0
gn_args['debug_optimization_level'] = 0
elif args.debug_opt_level:
gn_args['dart_debug_optimization_level'] = args.debug_opt_level
gn_args['debug_optimization_level'] = args.debug_opt_level
gn_args['verify_sdk_hash'] = verify_sdk_hash
return gn_args
def ProcessOsOption(os_name):
if os_name == 'host':
return HOST_OS
return os_name
def ProcessOptions(args):
if args.arch == 'all':
args.arch = 'ia32,x64,simarm,simarm64,x64c,simarm64c'
if args.mode == 'all':
args.mode = 'debug,release,product'
if args.os == 'all':
args.os = 'host,android,fuchsia'
if args.sanitizer == 'all':
args.sanitizer = 'none,asan,lsan,msan,tsan,ubsan'
args.mode = args.mode.split(',')
args.arch = args.arch.split(',')
args.os = args.os.split(',')
args.sanitizer = args.sanitizer.split(',')
for mode in args.mode:
if not mode in ['debug', 'release', 'product']:
print("Unknown mode %s" % mode)
return False
for i, arch in enumerate(args.arch):
if not arch in AVAILABLE_ARCHS:
# Normalise to lower case form to make it less case-picky.
arch_lower = arch.lower()
if arch_lower in AVAILABLE_ARCHS:
args.arch[i] = arch_lower
continue
print("Unknown arch %s" % arch)
return False
oses = [ProcessOsOption(os_name) for os_name in args.os]
for os_name in oses:
if not os_name in [
'android', 'freebsd', 'linux', 'macos', 'win32', 'fuchsia'
]:
print("Unknown os %s" % os_name)
return False
if os_name == 'android':
if not HOST_OS in ['linux', 'macos']:
print(
"Cross-compilation to %s is not supported on host os %s." %
(os_name, HOST_OS))
return False
if not arch in [
'ia32', 'x64', 'arm', 'arm_x64', 'armv6', 'arm64', 'x64c',
'arm64c'
]:
print(
"Cross-compilation to %s is not supported for architecture %s."
% (os_name, arch))
return False
elif os_name == 'fuchsia':
if not HOST_OS in ['linux', 'macos']:
print(
"Cross-compilation to %s is not supported on host os %s." %
(os_name, HOST_OS))
return False
if not arch in ['x64', 'arm64', 'x64c', 'arm64c']:
print(
"Cross-compilation to %s is not supported for architecture %s."
% (os_name, arch))
return False
elif os_name != HOST_OS:
print("Unsupported target os %s" % os_name)
return False
if HOST_OS != 'win' and args.use_crashpad:
print("Crashpad is only supported on Windows")
return False
return True
def os_has_ide(host_os):
return host_os.startswith('win') or host_os.startswith('mac')
def ide_switch(host_os):
if host_os.startswith('win'):
return '--ide=vs'
elif host_os.startswith('mac'):
return '--ide=xcode'
else:
return '--ide=json'
def AddCommonGnOptionArgs(parser):
"""Adds arguments that will change the default GN arguments."""
parser.add_argument('--goma', help='Use goma', action='store_true')
parser.add_argument('--no-goma',
help='Disable goma',
dest='goma',
action='store_false')
parser.set_defaults(goma=True)
parser.add_argument('--verify-sdk-hash',
help='Enable SDK hash checks (default)',
dest='verify_sdk_hash',
action='store_true')
parser.add_argument('-nvh',
'--no-verify-sdk-hash',
help='Disable SDK hash checks',
dest='verify_sdk_hash',
action='store_false')
parser.set_defaults(verify_sdk_hash=True)
parser.add_argument('--clang', help='Use Clang', action='store_true')
parser.add_argument('--no-clang',
help='Disable Clang',
dest='clang',
action='store_false')
parser.set_defaults(clang=True)
parser.add_argument(
'--platform-sdk',
help='Directs the create_sdk target to create a smaller "Platform" SDK',
default=MakePlatformSDK(),
action='store_true')
parser.add_argument('--use-crashpad',
default=False,
dest='use_crashpad',
action='store_true')
parser.add_argument('--use-qemu',
default=False,
dest='use_qemu',
action='store_true')
parser.add_argument('--exclude-kernel-service',
help='Exclude the kernel service.',
default=False,
dest='exclude_kernel_service',
action='store_true')
parser.add_argument('--arm-float-abi',
type=str,
help='The ARM float ABI (soft, softfp, hard)',
metavar='[soft,softfp,hard]',
default='')
parser.add_argument('--code-coverage',
help='Enable code coverage for the standalone VM',
default=False,
dest="code_coverage",
action='store_true')
parser.add_argument('--debug-opt-level',
'-d',
help='The optimization level to use for debug builds',
type=str)
parser.add_argument('--gn-args',
help='Set extra GN args',
dest='gn_args',
action='append')
parser.add_argument(
'--toolchain-prefix',
'-t',
type=str,
help='Comma-separated list of arch=/path/to/toolchain-prefix mappings')
parser.add_argument('--ide',
help='Generate an IDE file.',
default=os_has_ide(HOST_OS),
action='store_true')
parser.add_argument('--export-compile-commands',
help='Export compile_commands.json database file.',
default=False,
action='store_true')
parser.add_argument(
'--target-sysroot',
'-s',
type=str,
help='Comma-separated list of arch=/path/to/sysroot mappings')
parser.add_argument('--use-mallinfo2',
help='Use mallinfo2 to collect malloc stats.',
default=False,
dest='use_mallinfo2',
action='store_true')
def AddCommonConfigurationArgs(parser):
"""Adds arguments that influence which configuration will be built."""
parser.add_argument("-a",
"--arch",
type=str,
help='Target architectures (comma-separated).',
metavar='[all,' + ','.join(AVAILABLE_ARCHS) + ']',
default=utils.GuessArchitecture())
parser.add_argument('--mode',
'-m',
type=str,
help='Build variants (comma-separated).',
metavar='[all,debug,release,product]',
default='debug')
parser.add_argument('--os',
type=str,
help='Target OSs (comma-separated).',
metavar='[all,host,android,fuchsia]',
default='host')
parser.add_argument('--sanitizer',
type=str,
help='Build variants (comma-separated).',
metavar='[all,none,asan,lsan,msan,tsan,ubsan]',
default='none')
def AddOtherArgs(parser):
"""Adds miscellaneous arguments to the parser."""
parser.add_argument("-v",
"--verbose",
help='Verbose output.',
default=False,
action="store_true")
def parse_args(args):
args = args[1:]
parser = argparse.ArgumentParser(
description='A script to run `gn gen`.',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
config_group = parser.add_argument_group('Configuration Related Arguments')
AddCommonConfigurationArgs(config_group)
gn_group = parser.add_argument_group('GN Related Arguments')
AddCommonGnOptionArgs(gn_group)
other_group = parser.add_argument_group('Other Arguments')
AddOtherArgs(other_group)
options = parser.parse_args(args)
if not ProcessOptions(options):
parser.print_help()
return None
return options
def BuildGnCommand(args, mode, arch, target_os, sanitizer, out_dir):
gn = os.path.join(DART_ROOT, 'buildtools',
'gn.exe' if utils.IsWindows() else 'gn')
if not os.path.isfile(gn):
raise Exception("Couldn't find the gn binary at path: " + gn)
# TODO(infra): Re-enable --check. Many targets fail to use
# public_deps to re-expose header files to their dependents.
# See dartbug.com/32364
command = [gn, 'gen', out_dir]
gn_args = ToCommandLine(
ToGnArgs(args, mode, arch, target_os, sanitizer, args.verify_sdk_hash))
gn_args += GetGNArgs(args)
if args.ide:
command.append(ide_switch(HOST_OS))
if args.export_compile_commands:
command.append('--export-compile-commands')
command.append('--args=%s' % ' '.join(gn_args))
return command
def RunGnOnConfiguredConfigurations(args):
commands = []
for target_os in args.os:
for mode in args.mode:
for arch in args.arch:
for sanitizer in args.sanitizer:
out_dir = GetOutDir(mode, arch, target_os, sanitizer)
commands.append(
BuildGnCommand(args, mode, arch, target_os, sanitizer,
out_dir))
if args.verbose:
print("gn gen --check in %s" % out_dir)
active_commands = []
def cleanup(command):
print("Command failed: " + ' '.join(command))
for (_, process) in active_commands:
process.terminate()
for command in commands:
try:
process = subprocess.Popen(command, cwd=DART_ROOT)
active_commands.append([command, process])
except Exception as e:
print('Error: %s' % e)
cleanup(command)
return 1
while active_commands:
time.sleep(0.1)
for active_command in active_commands:
(command, process) = active_command
if process.poll() is not None:
active_commands.remove(active_command)
if process.returncode != 0:
cleanup(command)
return 1
return 0
def Main(argv):
starttime = time.time()
args = parse_args(argv)
if args is None:
return 1
result = RunGnOnConfiguredConfigurations(args)
if args.verbose:
endtime = time.time()
print("GN Time: %.3f seconds" % (endtime - starttime))
return result
if __name__ == '__main__':
sys.exit(Main(sys.argv))