mirror of
https://github.com/servo/servo.git
synced 2025-06-20 07:08:59 +01:00
441 lines
18 KiB
Python
441 lines
18 KiB
Python
# Copyright 2013 The Servo Project Developers. See the COPYRIGHT
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# file at the top-level directory of this distribution.
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#
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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# option. This file may not be copied, modified, or distributed
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# except according to those terms.
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import os
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from os import path
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import contextlib
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import subprocess
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from subprocess import PIPE
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import sys
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import platform
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import toml
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from mach.registrar import Registrar
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BIN_SUFFIX = ".exe" if sys.platform == "win32" else ""
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@contextlib.contextmanager
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def cd(new_path):
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"""Context manager for changing the current working directory"""
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previous_path = os.getcwd()
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try:
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os.chdir(new_path)
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yield
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finally:
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os.chdir(previous_path)
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def host_triple():
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os_type = platform.system().lower()
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if os_type == "linux":
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os_type = "unknown-linux-gnu"
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elif os_type == "darwin":
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os_type = "apple-darwin"
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elif os_type == "android":
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os_type = "linux-androideabi"
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elif os_type == "windows" or os_type.startswith("mingw64_nt-") or os_type.startswith("cygwin_nt-"):
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os_type = "pc-windows-gnu"
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else:
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os_type = "unknown"
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cpu_type = platform.machine().lower()
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if cpu_type in ["i386", "i486", "i686", "i768", "x86"]:
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cpu_type = "i686"
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elif cpu_type in ["x86_64", "x86-64", "x64", "amd64"]:
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cpu_type = "x86_64"
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elif cpu_type == "arm":
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cpu_type = "arm"
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else:
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cpu_type = "unknown"
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return "%s-%s" % (cpu_type, os_type)
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def call(*args, **kwargs):
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"""Wrap `subprocess.call`, printing the command if verbose=True."""
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verbose = kwargs.pop('verbose', False)
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if verbose:
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print(' '.join(args[0]))
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# we have to use shell=True in order to get PATH handling
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# when looking for the binary on Windows
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return subprocess.call(*args, shell=sys.platform == 'win32', **kwargs)
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def normalize_env(env):
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# There is a bug in subprocess where it doesn't like unicode types in
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# environment variables. Here, ensure all unicode are converted to
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# binary. utf-8 is our globally assumed default. If the caller doesn't
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# want UTF-8, they shouldn't pass in a unicode instance.
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normalized_env = {}
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for k, v in env.items():
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if isinstance(k, unicode):
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k = k.encode('utf-8', 'strict')
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if isinstance(v, unicode):
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v = v.encode('utf-8', 'strict')
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normalized_env[k] = v
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return normalized_env
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def check_call(*args, **kwargs):
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"""Wrap `subprocess.check_call`, printing the command if verbose=True.
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Also fix any unicode-containing `env`, for subprocess """
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verbose = kwargs.pop('verbose', False)
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if 'env' in kwargs:
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kwargs['env'] = normalize_env(kwargs['env'])
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if verbose:
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print(' '.join(args[0]))
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# we have to use shell=True in order to get PATH handling
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# when looking for the binary on Windows
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return subprocess.check_call(*args, shell=sys.platform == 'win32', **kwargs)
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class BuildNotFound(Exception):
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def __init__(self, message):
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self.message = message
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def __str__(self):
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return self.message
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class CommandBase(object):
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"""Base class for mach command providers.
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This mostly handles configuration management, such as .servobuild."""
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def __init__(self, context):
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self.context = context
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def get_env_bool(var, default):
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# Contents of env vars are strings by default. This returns the
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# boolean value of the specified environment variable, or the
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# speciried default if the var doesn't contain True or False
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return {'True': True, 'False': False}.get(os.environ.get(var), default)
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def resolverelative(category, key):
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# Allow ~
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self.config[category][key] = path.expanduser(self.config[category][key])
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# Resolve relative paths
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self.config[category][key] = path.join(context.topdir,
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self.config[category][key])
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if not hasattr(self.context, "bootstrapped"):
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self.context.bootstrapped = False
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config_path = path.join(context.topdir, ".servobuild")
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if path.exists(config_path):
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with open(config_path) as f:
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self.config = toml.loads(f.read())
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else:
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self.config = {}
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# Handle missing/default items
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self.config.setdefault("tools", {})
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default_cache_dir = os.environ.get("SERVO_CACHE_DIR",
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path.join(context.topdir, ".servo"))
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self.config["tools"].setdefault("cache-dir", default_cache_dir)
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resolverelative("tools", "cache-dir")
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self.config["tools"].setdefault("cargo-home-dir",
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path.join(context.topdir, ".cargo"))
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resolverelative("tools", "cargo-home-dir")
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context.sharedir = self.config["tools"]["cache-dir"]
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self.config["tools"].setdefault("system-rust", False)
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self.config["tools"].setdefault("system-cargo", False)
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self.config["tools"].setdefault("rust-root", "")
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self.config["tools"].setdefault("cargo-root", "")
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if not self.config["tools"]["system-rust"]:
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self.config["tools"]["rust-root"] = path.join(
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context.sharedir, "rust", self.rust_path())
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if not self.config["tools"]["system-cargo"]:
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self.config["tools"]["cargo-root"] = path.join(
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context.sharedir, "cargo", self.cargo_build_id())
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self.config["tools"].setdefault("rustc-with-gold", get_env_bool("SERVO_RUSTC_WITH_GOLD", True))
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self.config.setdefault("build", {})
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self.config["build"].setdefault("android", False)
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self.config["build"].setdefault("mode", "")
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self.config["build"].setdefault("debug-mozjs", False)
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self.config["build"].setdefault("ccache", "")
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self.config.setdefault("android", {})
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self.config["android"].setdefault("sdk", "")
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self.config["android"].setdefault("ndk", "")
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self.config["android"].setdefault("toolchain", "")
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self.config["android"].setdefault("target", "arm-linux-androideabi")
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self.config.setdefault("gonk", {})
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self.config["gonk"].setdefault("b2g", "")
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self.config["gonk"].setdefault("product", "flame")
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_rust_path = None
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_cargo_build_id = None
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def rust_path(self):
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if self._rust_path is None:
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filename = path.join(self.context.topdir, "rust-nightly-date")
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with open(filename) as f:
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date = f.read().strip()
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self._rust_path = ("%s/rustc-nightly-%s" % (date, host_triple()))
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return self._rust_path
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def cargo_build_id(self):
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if self._cargo_build_id is None:
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filename = path.join(self.context.topdir, "cargo-nightly-build")
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with open(filename) as f:
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self._cargo_build_id = f.read().strip()
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return self._cargo_build_id
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def get_top_dir(self):
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return self.context.topdir
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def get_target_dir(self):
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if "CARGO_TARGET_DIR" in os.environ:
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return os.environ["CARGO_TARGET_DIR"]
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else:
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return path.join(self.context.topdir, "target")
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def get_binary_path(self, release, dev, android=False):
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# TODO(autrilla): this function could still use work - it shouldn't
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# handle quitting, or printing. It should return the path, or an error.
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base_path = self.get_target_dir()
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if android:
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base_path = path.join(base_path, self.config["android"]["target"])
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binary_name = "servo" + BIN_SUFFIX
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release_path = path.join(base_path, "release", binary_name)
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dev_path = path.join(base_path, "debug", binary_name)
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# Prefer release if both given
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if release and dev:
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dev = False
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release_exists = path.exists(release_path)
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dev_exists = path.exists(dev_path)
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if not release_exists and not dev_exists:
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raise BuildNotFound('No Servo binary found.'
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' Perhaps you forgot to run `./mach build`?')
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if release and release_exists:
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return release_path
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if dev and dev_exists:
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return dev_path
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if not dev and not release and release_exists and dev_exists:
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print("You have multiple profiles built. Please specify which "
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"one to run with '--release' or '--dev'.")
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sys.exit()
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if not dev and not release:
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if release_exists:
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return release_path
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else:
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return dev_path
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print("The %s profile is not built. Please run './mach build%s' "
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"and try again." % ("release" if release else "dev",
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" --release" if release else ""))
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sys.exit()
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def build_env(self, gonk=False, hosts_file_path=None):
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"""Return an extended environment dictionary."""
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env = os.environ.copy()
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if sys.platform == "win32" and type(env['PATH']) == unicode:
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# On win32, the virtualenv's activate_this.py script sometimes ends up
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# turning os.environ['PATH'] into a unicode string. This doesn't work
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# for passing env vars in to a process, so we force it back to ascii.
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# We don't use UTF8 since that won't be correct anyway; if you actually
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# have unicode stuff in your path, all this PATH munging would have broken
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# it in any case.
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env['PATH'] = env['PATH'].encode('ascii', 'ignore')
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extra_path = []
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extra_lib = []
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if not self.config["tools"]["system-rust"] \
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or self.config["tools"]["rust-root"]:
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env["RUST_ROOT"] = self.config["tools"]["rust-root"]
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# Add mingw64 binary path before rust paths to avoid conflict with libstdc++-6.dll
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if sys.platform == "msys":
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extra_path += [path.join(os.sep, "mingw64", "bin")]
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# These paths are for when rust-root points to an unpacked installer
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extra_path += [path.join(self.config["tools"]["rust-root"], "rustc", "bin")]
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extra_lib += [path.join(self.config["tools"]["rust-root"], "rustc", "lib")]
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# These paths are for when rust-root points to a rustc sysroot
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extra_path += [path.join(self.config["tools"]["rust-root"], "bin")]
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extra_lib += [path.join(self.config["tools"]["rust-root"], "lib")]
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if not self.config["tools"]["system-cargo"] \
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or self.config["tools"]["cargo-root"]:
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# This path is for when rust-root points to an unpacked installer
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extra_path += [
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path.join(self.config["tools"]["cargo-root"], "cargo", "bin")]
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# This path is for when rust-root points to a rustc sysroot
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extra_path += [
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path.join(self.config["tools"]["cargo-root"], "bin")]
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if extra_path:
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env["PATH"] = "%s%s%s" % (os.pathsep.join(extra_path), os.pathsep, env["PATH"])
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if "CARGO_HOME" not in env:
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env["CARGO_HOME"] = self.config["tools"]["cargo-home-dir"]
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if "CARGO_TARGET_DIR" not in env:
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env["CARGO_TARGET_DIR"] = path.join(self.context.topdir, "target")
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if extra_lib:
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if sys.platform == "darwin":
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env["DYLD_LIBRARY_PATH"] = "%s%s%s" % \
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(os.pathsep.join(extra_lib),
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os.pathsep,
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env.get("DYLD_LIBRARY_PATH", ""))
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else:
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env["LD_LIBRARY_PATH"] = "%s%s%s" % \
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(os.pathsep.join(extra_lib),
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os.pathsep,
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env.get("LD_LIBRARY_PATH", ""))
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# Paths to Android build tools:
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if self.config["android"]["sdk"]:
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env["ANDROID_SDK"] = self.config["android"]["sdk"]
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if self.config["android"]["ndk"]:
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env["ANDROID_NDK"] = self.config["android"]["ndk"]
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if self.config["android"]["toolchain"]:
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env["ANDROID_TOOLCHAIN"] = self.config["android"]["toolchain"]
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if gonk:
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if self.config["gonk"]["b2g"]:
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env["GONKDIR"] = self.config["gonk"]["b2g"]
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if "GONKDIR" not in env:
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# Things can get pretty opaque if this hasn't been set
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print("Please set $GONKDIR in your environment or .servobuild file")
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sys.exit(1)
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if self.config["gonk"]["product"]:
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env["GONK_PRODUCT"] = self.config["gonk"]["product"]
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env["ARCH_DIR"] = "arch-arm"
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env["CPPFLAGS"] = (
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"-DANDROID -DTARGET_OS_GONK "
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"-DANDROID_VERSION=19 "
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"-DGR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE=1 "
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"-isystem %(gonkdir)s/bionic/libc/%(archdir)s/include "
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"-isystem %(gonkdir)s/bionic/libc/include/ "
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"-isystem %(gonkdir)s/bionic/libc/kernel/common "
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"-isystem %(gonkdir)s/bionic/libc/kernel/%(archdir)s "
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"-isystem %(gonkdir)s/bionic/libm/include "
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"-I%(gonkdir)s/system "
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"-I%(gonkdir)s/system/core/include "
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"-I%(gonkdir)s/frameworks/native/opengl/include "
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"-I%(gonkdir)s/external/zlib "
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) % {"gonkdir": env["GONKDIR"], "archdir": env["ARCH_DIR"]}
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env["CXXFLAGS"] = (
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"-O2 -mandroid -fPIC "
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"-isystem %(gonkdir)s/api/cpp/include "
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"-isystem %(gonkdir)s/external/stlport/stlport "
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"-isystem %(gonkdir)s/bionic "
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"-isystem %(gonkdir)s/bionic/libstdc++/include "
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"%(cppflags)s"
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) % {"gonkdir": env["GONKDIR"], "cppflags": env["CPPFLAGS"]}
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env["CFLAGS"] = (
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"%(cxxflags)s"
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) % {"cxxflags": env["CXXFLAGS"]}
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another_extra_path = path.join(
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env["GONKDIR"], "prebuilts", "gcc", "linux-x86", "arm", "arm-linux-androideabi-4.7", "bin")
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env["gonkdir"] = env["GONKDIR"]
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env["gonk_toolchain_prefix"] = (
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"%(toolchain)s/arm-linux-androideabi-"
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) % {"toolchain": another_extra_path}
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env["PATH"] = "%s%s%s" % (another_extra_path, os.pathsep, env["PATH"])
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env["LDFLAGS"] = (
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"-mandroid -L%(gonkdir)s/out/target/product/%(gonkproduct)s/obj/lib "
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"-Wl,-rpath-link=%(gonkdir)s/out/target/product/%(gonkproduct)s/obj/lib "
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"--sysroot=%(gonkdir)s/out/target/product/%(gonkproduct)s/obj/"
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) % {"gonkdir": env["GONKDIR"], "gonkproduct": env["GONK_PRODUCT"]}
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# Not strictly necessary for a vanilla build, but might be when tweaking the openssl build
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openssl_dir = (
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"%(gonkdir)s/out/target/product/%(gonkproduct)s/obj/lib"
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) % {"gonkdir": env["GONKDIR"], "gonkproduct": env["GONK_PRODUCT"]}
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env["OPENSSL_LIB_DIR"] = openssl_dir
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env['OPENSSL_INCLUDE_DIR'] = path.join(env["GONKDIR"], "external/openssl/include")
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# These are set because they are the variable names that build-apk
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# expects. However, other submodules have makefiles that reference
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# the env var names above. Once glutin is enabled and set as the
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# default, we could modify the subproject makefiles to use the names
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# below and remove the vars above, to avoid duplication.
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if "ANDROID_SDK" in env:
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env["ANDROID_HOME"] = env["ANDROID_SDK"]
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if "ANDROID_NDK" in env:
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env["NDK_HOME"] = env["ANDROID_NDK"]
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if "ANDROID_TOOLCHAIN" in env:
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env["NDK_STANDALONE"] = env["ANDROID_TOOLCHAIN"]
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if hosts_file_path:
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env['HOST_FILE'] = hosts_file_path
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env['RUSTDOC'] = path.join(self.context.topdir, 'etc', 'rustdoc-with-private')
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# Don't run the gold linker if on Windows https://github.com/servo/servo/issues/9499
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if self.config["tools"]["rustc-with-gold"] and sys.platform not in ("win32", "msys"):
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if subprocess.call(['which', 'ld.gold'], stdout=PIPE, stderr=PIPE) == 0:
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env['RUSTFLAGS'] = env.get('RUSTFLAGS', "") + " -C link-args=-fuse-ld=gold"
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return env
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def servo_crate(self):
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return path.join(self.context.topdir, "components", "servo")
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def android_support_dir(self):
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return path.join(self.context.topdir, "support", "android")
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def android_build_dir(self, dev):
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return path.join(self.get_target_dir(), "arm-linux-androideabi", "debug" if dev else "release")
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def ensure_bootstrapped(self, target=None):
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if self.context.bootstrapped:
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return
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rust_root = self.config["tools"]["rust-root"]
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rustc_path = path.join(
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rust_root, "rustc", "bin", "rustc" + BIN_SUFFIX
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)
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rustc_binary_exists = path.exists(rustc_path)
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base_target_path = path.join(rust_root, "rustc", "lib", "rustlib")
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target_exists = True
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if target is not None:
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target_path = path.join(base_target_path, target)
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target_exists = path.exists(target_path)
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if not (self.config['tools']['system-rust'] or (rustc_binary_exists and target_exists)):
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print("looking for rustc at %s" % (rustc_path))
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Registrar.dispatch("bootstrap-rust", context=self.context, target=filter(None, [target]))
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cargo_path = path.join(self.config["tools"]["cargo-root"], "cargo", "bin",
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"cargo" + BIN_SUFFIX)
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cargo_binary_exists = path.exists(cargo_path)
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if not self.config["tools"]["system-cargo"] and not cargo_binary_exists:
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Registrar.dispatch("bootstrap-cargo", context=self.context)
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self.context.bootstrapped = True
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