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 def resolverelative(category, key): # Allow ~ self.config[category][key] = path.expanduser(self.config[category][key]) # Resolve relative paths self.config[category][key] = path.join(context.topdir, self.config[category][key]) 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", {}) default_cache_dir = os.environ.get("SERVO_CACHE_DIR", path.join(context.topdir, ".servo")) self.config["tools"].setdefault("cache-dir", default_cache_dir) resolverelative("tools", "cache-dir") self.config["tools"].setdefault("cargo-home-dir", path.join(context.topdir, ".cargo")) resolverelative("tools", "cargo-home-dir") context.sharedir = 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 "CARGO_HOME" not in env: env["CARGO_HOME"] = self.config["tools"]["cargo-home-dir"] 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") sys.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", "--quiet", "sync", "--recursive"]) 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