python/mozbuild/mozbuild/bootstrap.py

   1 # This Source Code Form is subject to the terms of the Mozilla Public
   2 # License, v. 2.0. If a copy of the MPL was not distributed with this file,
   3 # You can obtain one at http://mozilla.org/MPL/2.0/.
   4
   5 import functools
   6 import io
   7 import logging
   8 import os
   9 from pathlib import Path
  10
  11 from mozbuild.configure import ConfigureSandbox
  12
  13
  14 def _raw_sandbox(extra_args=[]):
  15     # Here, we don't want an existing mozconfig to interfere with what we
  16     # do, neither do we want the default for --enable-bootstrap (which is not
  17     # always on) to prevent this from doing something.
  18     out = io.StringIO()
  19     logger = logging.getLogger("moz.configure")
  20     handler = logging.StreamHandler(out)
  21     logger.addHandler(handler)
  22     logger.propagate = False
  23     sandbox = ConfigureSandbox(
  24         {},
  25         argv=["configure"]
  26         + ["--enable-bootstrap", f"MOZCONFIG={os.devnull}"]
  27         + extra_args,
  28         logger=logger,
  29     )
  30     return sandbox
  31
  32
  33 @functools.lru_cache(maxsize=None)
  34 def _bootstrap_sandbox():
  35     sandbox = _raw_sandbox()
  36     moz_configure = (
  37         Path(__file__).parent.parent.parent.parent / "build" / "moz.configure"
  38     )
  39     sandbox.include_file(str(moz_configure / "init.configure"))
  40     sandbox.include_file(str(moz_configure / "bootstrap.configure"))
  41     return sandbox
  42
  43
  44 def bootstrap_toolchain(toolchain_job):
  45     # Expand the `bootstrap_path` template for the given toolchain_job, and execute the
  46     # expanded function via `_value_for`, which will trigger autobootstrap.
  47     # Returns the path to the toolchain.
  48     sandbox = _bootstrap_sandbox()
  49     return sandbox._value_for(sandbox["bootstrap_path"](toolchain_job))
  50
  51
  52 def bootstrap_all_toolchains_for(configure_args=[]):
  53     sandbox = _raw_sandbox(configure_args)
  54     moz_configure = Path(__file__).parent.parent.parent.parent / "moz.configure"
  55     sandbox.include_file(str(moz_configure))
  56     for depend in sandbox._depends.values():
  57         if depend.name == "bootstrap_path":
  58             depend.result()