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import os
from os import path
import contextlib
import subprocess
import sys
import toml
from mach.registrar import Registrar
@contextlib.contextmanager
def cd(new_path):
"""Context manager for changing the current working directory"""
previous_path = os.getcwd()
try:
os.chdir(new_path)
yield
finally:
os.chdir(previous_path)
def host_triple():
os_type = subprocess.check_output(["uname", "-s"]).strip().lower()
if os_type == "linux":
os_type = "unknown-linux-gnu"
elif os_type == "darwin":
os_type = "apple-darwin"
elif os_type == "android":
os_type == "linux-androideabi"
else:
os_type == "unknown"
cpu_type = subprocess.check_output(["uname", "-m"]).strip().lower()
if cpu_type in ["i386", "i486", "i686", "i768", "x86"]:
cpu_type = "i686"
elif cpu_type in ["x86_64", "x86-64", "x64", "amd64"]:
cpu_type = "x86_64"
elif cpu_type == "arm":
cpu_type = "arm"
else:
cpu_type = "unknown"
return "%s-%s" % (cpu_type, os_type)
class CommandBase(object):
"""Base class for mach command providers.
This mostly handles configuration management, such as .servobuild."""
def __init__(self, context):
self.context = context
if not hasattr(self.context, "bootstrapped"):
self.context.bootstrapped = False
config_path = path.join(context.topdir, ".servobuild")
if path.exists(config_path):
self.config = toml.loads(open(config_path).read())
else:
self.config = {}
# Handle missing/default items
self.config.setdefault("tools", {})
self.config["tools"].setdefault("cache-dir",
path.join(context.topdir, ".servo"))
# Allow "~" in cache-dir
context.sharedir = path.expanduser(self.config["tools"]["cache-dir"])
self.config["tools"].setdefault("system-rust", False)
self.config["tools"].setdefault("system-cargo", False)
self.config["tools"].setdefault("rust-root", "")
self.config["tools"].setdefault("cargo-root", "")
if not self.config["tools"]["system-rust"]:
self.config["tools"]["rust-root"] = path.join(
context.sharedir, "rust", *self.rust_snapshot_path().split("/"))
if not self.config["tools"]["system-cargo"]:
self.config["tools"]["cargo-root"] = path.join(
context.sharedir, "cargo", self.cargo_build_id())
self.config.setdefault("build", {})
self.config["build"].setdefault("android", False)
self.config["build"].setdefault("debug-mozjs", False)
self.config.setdefault("android", {})
self.config["android"].setdefault("sdk", "")
self.config["android"].setdefault("ndk", "")
self.config["android"].setdefault("toolchain", "")
self.config.setdefault("gonk", {})
self.config["gonk"].setdefault("b2g", "")
self.config["gonk"].setdefault("product", "flame")
_rust_snapshot_path = None
_cargo_build_id = None
def rust_snapshot_path(self):
if self._rust_snapshot_path is None:
filename = path.join(self.context.topdir, "rust-snapshot-hash")
snapshot_hash = open(filename).read().strip()
self._rust_snapshot_path = "%s-%s" % (snapshot_hash, host_triple())
return self._rust_snapshot_path
def cargo_build_id(self):
if self._cargo_build_id is None:
filename = path.join(self.context.topdir, "cargo-nightly-build")
self._cargo_build_id = open(filename).read().strip()
return self._cargo_build_id
def build_env(self, gonk=False):
"""Return an extended environment dictionary."""
env = os.environ.copy()
extra_path = []
extra_lib = []
if not self.config["tools"]["system-rust"] \
or self.config["tools"]["rust-root"]:
env["RUST_ROOT"] = self.config["tools"]["rust-root"]
extra_path += [path.join(self.config["tools"]["rust-root"], "bin")]
extra_lib += [path.join(self.config["tools"]["rust-root"], "lib")]
if not self.config["tools"]["system-cargo"] \
or self.config["tools"]["cargo-root"]:
extra_path += [
path.join(self.config["tools"]["cargo-root"], "bin")]
if extra_path:
env["PATH"] = "%s%s%s" % (
os.pathsep.join(extra_path), os.pathsep, env["PATH"])
if extra_lib:
if sys.platform == "darwin":
env["DYLD_LIBRARY_PATH"] = "%s%s%s" % \
(os.pathsep.join(extra_lib),
os.pathsep,
env.get("DYLD_LIBRARY_PATH", ""))
else:
env["LD_LIBRARY_PATH"] = "%s%s%s" % \
(os.pathsep.join(extra_lib),
os.pathsep,
env.get("LD_LIBRARY_PATH", ""))
# Paths to Android build tools:
if self.config["android"]["sdk"]:
env["ANDROID_SDK"] = self.config["android"]["sdk"]
if self.config["android"]["ndk"]:
env["ANDROID_NDK"] = self.config["android"]["ndk"]
if self.config["android"]["toolchain"]:
env["ANDROID_TOOLCHAIN"] = self.config["android"]["toolchain"]
if gonk:
if self.config["gonk"]["b2g"]:
env["GONKDIR"] = self.config["gonk"]["b2g"]
if "GONKDIR" not in env:
# Things can get pretty opaque if this hasn't been set
print("Please set $GONKDIR in your environment or servobild file")
os.exit(1)
if self.config["gonk"]["product"]:
env["GONK_PRODUCT"] = self.config["gonk"]["product"]
env["CC"] = "arm-linux-androideabi-gcc"
env["ARCH_DIR"] = "arch-arm"
env["CPPFLAGS"] = ("-DANDROID -DTARGET_OS_GONK -DGR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE=1 "
"-isystem %(gonkdir)s/bionic/libc/%(archdir)s/include -isystem %(gonkdir)s/bionic/libc/include/ "
"-isystem %(gonkdir)s/bionic/libc/kernel/common -isystem %(gonkdir)s/bionic/libc/kernel/%(archdir)s "
"-isystem %(gonkdir)s/bionic/libm/include -I%(gonkdir)s/system -I%(gonkdir)s/system/core/include "
"-isystem %(gonkdir)s/bionic -I%(gonkdir)s/frameworks/native/opengl/include -I%(gonkdir)s/external/zlib "
"-I%(gonkdir)s/hardware/libhardware/include/hardware/") % {"gonkdir": env["GONKDIR"], "archdir": env["ARCH_DIR"] }
env["CXXFLAGS"] = ("-O2 -mandroid -fPIC %(cppflags)s -I%(gonkdir)s/ndk/sources/cxx-stl/stlport/stlport "
"-I%(gonkdir)s/ndk/sources/cxx-stl/system/include") % {"gonkdir": env["GONKDIR"], "cppflags": env["CPPFLAGS"] }
env["CFLAGS"] = ("-O2 -mandroid -fPIC %(cppflags)s -I%(gonkdir)s/ndk/sources/cxx-stl/stlport/stlport "
"-I%(gonkdir)s/ndk/sources/cxx-stl/system/include") % {"gonkdir": env["GONKDIR"], "cppflags": env["CPPFLAGS"] }
another_extra_path = path.join(env["GONKDIR"], "prebuilts", "gcc", "linux-x86", "arm", "arm-linux-androideabi-4.7", "bin")
env["PATH"] = "%s%s%s" % (another_extra_path, os.pathsep, env["PATH"])
env["LDFLAGS"] = ("-mandroid -L%(gonkdir)s/out/target/product/%(gonkproduct)s/obj/lib "
"-Wl,-rpath-link=%(gonkdir)s/out/target/product/%(gonkproduct)s/obj/lib "
"--sysroot=%(gonkdir)s/out/target/product/%(gonkproduct)s/obj/") % {"gonkdir": env["GONKDIR"], "gonkproduct": env["GONK_PRODUCT"] }
# Not strictly necessary for a vanilla build, but might be when tweaking the openssl build
env["OPENSSL_PATH"] = "%(gonkdir)s/out/target/product/%(gonkproduct)s/obj/lib" % {"gonkdir": env["GONKDIR"], "gonkproduct": env["GONK_PRODUCT"] }
# FIXME: These are set because they are the variable names that
# android-rs-glue expects. However, other submodules have makefiles that
# reference the env var names above. Once glutin is enabled and set as
# the default, we could modify the subproject makefiles to use the names
# below and remove the vars above, to avoid duplication.
if "ANDROID_SDK" in env:
env["ANDROID_HOME"] = env["ANDROID_SDK"]
if "ANDROID_NDK" in env:
env["NDK_HOME"] = env["ANDROID_NDK"]
if "ANDROID_TOOLCHAIN" in env:
env["NDK_STANDALONE"] = env["ANDROID_TOOLCHAIN"]
return env
def servo_crate(self):
return path.join(self.context.topdir, "components", "servo")
def android_support_dir(self):
return path.join(self.context.topdir, "support", "android")
def ensure_bootstrapped(self):
if self.context.bootstrapped:
return
subprocess.check_call(["git", "submodule", "sync"])
submodules = subprocess.check_output(["git", "submodule", "status"])
for line in submodules.split('\n'):
components = line.strip().split(' ')
if len(components) > 1 and components[0].startswith(('-', '+')):
module_path = components[1]
subprocess.check_call(["git", "submodule", "update",
"--init", "--recursive",
"--", module_path])
if not self.config["tools"]["system-rust"] and \
not path.exists(path.join(
self.config["tools"]["rust-root"], "bin", "rustc")):
Registrar.dispatch("bootstrap-rust", context=self.context)
if not self.config["tools"]["system-cargo"] and \
not path.exists(path.join(
self.config["tools"]["cargo-root"], "bin", "cargo")):
Registrar.dispatch("bootstrap-cargo", context=self.context)
self.context.bootstrapped = True
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