build/windows_toolchain.py
author Nathan Froyd <froydnj@mozilla.com>
Wed, 03 Apr 2019 00:06:04 +0000
changeset 467750 1b9e5f4b0589a636233affb84666a469a4cc4ef5
parent 461427 2bb574d4377e1d7f40d247519cac8fc586aecf19
permissions -rw-r--r--
Bug 1537643 - update cc crate; r=glandium This update from the official sources brings in the changes that we were using glandium's fork for, as well as changes enabling us to tweak more settings on Windows. Differential Revision: https://phabricator.services.mozilla.com/D25888

#!/usr/bin/env python2.7
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# This script is used to create and manipulate archives containing
# files necessary to build Firefox on Windows (referred to as the
# "Windows toolchain").
#
# When updating behavior of this script, remember to update the docs
# in ``build/docs/toolchains.rst``.

from __future__ import absolute_import, unicode_literals

import hashlib
import os
import sys

from mozpack.files import (
    FileFinder,
)
from mozpack.mozjar import (
    JarWriter,
)
import mozpack.path as mozpath

SDK_RELEASE = '10.0.17134.0'

PATTERNS = [
    {
        'srcdir': '%(vs_path)s/DIA SDK',
        'dstdir': 'DIA SDK',
        'files': [
            {
                'pattern': 'bin/**',
                'ignore': (
                    'bin/arm/**',
                ),
            },
            {
                'pattern': 'idl/**',
            },
            {
                'pattern': 'include/**',
            },
            {
                'pattern': 'lib/**',
                'ignore': (
                    'lib/arm/**',
                ),
            },
        ],
    },
    {
        'srcdir': '%(vs_path)s/VC/Tools/MSVC/14.16.27023',
        'dstdir': 'VC',
        'files': [
            # ATL is needed by Breakpad.
            {
                'pattern': 'atlmfc/include/**',
            },
            {
                'pattern': 'atlmfc/lib/arm64/atls.*',
            },
            {
                'pattern': 'atlmfc/lib/x64/atls.*',
            },
            {
                'pattern': 'atlmfc/lib/x86/atls.*',
            },
            # ARM64 PGO-instrumented builds require ARM64 pgort140.dll.
            {
                'pattern': 'bin/arm64/pgort140.dll',
            },
            {
                'pattern': 'bin/Hostx64/**',
            },
            # 32-bit PGO-instrumented builds require 32-bit pgort140.dll.
            {
                'pattern': 'bin/Hostx86/x86/pgort140.dll',
            },
            {
                'pattern': 'include/**',
            },
            {
                'pattern': 'lib/**',
                'ignore': (
                    'lib/arm64/store/**',
                    'lib/onecore/**',
                    'lib/x64/store/**',
                    'lib/x86/store/**',
                ),
            },
        ],
    },
    {
        'srcdir': '%(vs_path)s/VC/Redist/MSVC/14.16.27012',
        'dstdir': 'VC/redist',
        'files': [
            {
                'pattern': 'arm64/Microsoft.VC141.CRT/**',
            },
            {
                'pattern': 'x64/Microsoft.VC141.CRT/**',
            },
            {
                'pattern': 'x86/Microsoft.VC141.CRT/**',
            },
        ],
    },
    {
        'srcdir': '%(sdk_path)s',
        'dstdir': 'SDK',
        'files': [
            {
                'pattern': 'bin/%s/x64/**' % SDK_RELEASE,
            },
            {
                'pattern': 'Include/%s/**' % SDK_RELEASE,
            },
            {
                'pattern': 'Lib/%s/ucrt/arm64/**' % SDK_RELEASE,
            },
            {
                'pattern': 'Lib/%s/ucrt/x64/**' % SDK_RELEASE,
            },
            {
                'pattern': 'Lib/%s/ucrt/x86/**' % SDK_RELEASE,
            },
            {
                'pattern': 'Lib/%s/um/arm64/**' % SDK_RELEASE,
            },
            {
                'pattern': 'Lib/%s/um/x64/**' % SDK_RELEASE,
            },
            {
                'pattern': 'Lib/%s/um/x86/**' % SDK_RELEASE,
            },
            {
                'pattern': 'Redist/D3D/**',
            },
            {
                'pattern': 'Redist/ucrt/DLLs/x64/**',
            },
            {
                'pattern': 'Redist/ucrt/DLLs/x86/**',
            },
        ],
    },
]


def find_vs_paths():
    """Resolve source locations of files.

    Returns a 2-tuple of (Visual Studio Path, SDK Path).
    """
    pf = os.environ.get('ProgramFiles(x86)')
    if not pf:
        raise Exception('No "ProgramFiles(x86)" environment variable. '
                        'Not running on 64-bit Windows?')

    vs_path = os.path.join(pf, 'Microsoft Visual Studio', '2017', 'Community')
    if not os.path.exists(vs_path):
        raise Exception('%s does not exist; Visual Studio 2017 not installed?' %
                        vs_path)

    sdk_path = os.path.join(pf, 'Windows Kits', '10')
    if not os.path.exists(sdk_path):
        raise Exception('%s does not exist; Windows 10 SDK not installed?' %
                        sdk_path)

    sdk_fullver_path = os.path.join(sdk_path, 'Include', SDK_RELEASE)
    if not os.path.exists(sdk_fullver_path):
        raise Exception('%s does not exist; Wrong SDK version installed?' %
                        sdk_fullver_path)

    return vs_path, sdk_path


def resolve_files():
    """Resolve the files that constitute a standalone toolchain.

    This is a generator of (dest path, file) where the destination
    path is relative and the file instance is a BaseFile from mozpack.
    """
    vs_path, sdk_path = find_vs_paths()

    for entry in PATTERNS:
        fullpath = entry['srcdir'] % {
            'vs_path': vs_path,
            'sdk_path': sdk_path,
        }
        for pattern in entry['files']:
            finder = FileFinder(fullpath, ignore=pattern.get('ignore', []))
            for p, f in finder.find(pattern['pattern']):
                dstpath = '%s/%s' % (entry['dstdir'], p)
                yield dstpath.encode('utf-8'), f


def resolve_files_and_hash(manifest):
    """Resolve files and hash their data.

    This is a generator of 3-tuples of (relpath, data, mode).

    As data is read, the manifest is populated with metadata.
    Keys are set to the relative file path. Values are 2-tuples
    of (data length, sha-256).
    """
    assert manifest == {}
    for p, f in resolve_files():
        data = f.read()

        sha256 = hashlib.sha256()
        sha256.update(data)
        manifest[p] = (len(data), sha256.hexdigest())

        yield p, data, f.mode


def format_manifest(manifest):
    """Return formatted SHA-256 manifests as a byte strings."""
    sha256_lines = []
    for path, (length, sha256) in sorted(manifest.items()):
        sha256_lines.append(b'%s\t%d\t%s' % (sha256, length, path))

    # Trailing newline.
    sha256_lines.append(b'')

    return b'\n'.join(sha256_lines)


def write_zip(zip_path, prefix=None):
    """Write toolchain data to a zip file."""
    if isinstance(prefix, unicode): # noqa Special case for Python 2
        prefix = prefix.encode('utf-8')

    with JarWriter(file=zip_path, compress_level=5) as zip:
        manifest = {}
        for p, data, mode in resolve_files_and_hash(manifest):
            print(p)
            if prefix:
                p = mozpath.join(prefix, p)

            zip.add(p, data, mode=mode)

        sha256_manifest = format_manifest(manifest)

        sdk_path = b'SDK_VERSION'
        sha256_path = b'MANIFEST.SHA256'
        if prefix:
            sdk_path = mozpath.join(prefix, sdk_path)
            sha256_path = mozpath.join(prefix, sha256_path)

        zip.add(sdk_path, SDK_RELEASE.encode('utf-8'))
        zip.add(sha256_path, sha256_manifest)


if __name__ == '__main__':
    if len(sys.argv) != 3:
        print('usage: %s create-zip <path-prefix>' % sys.argv[0])
        sys.exit(1)

    assert sys.argv[1] == 'create-zip'
    prefix = os.path.basename(sys.argv[2])
    destzip = '%s.zip' % sys.argv[2]
    write_zip(destzip, prefix=prefix)

    sha1 = hashlib.sha1()
    sha256 = hashlib.sha256()
    sha512 = hashlib.sha512()

    with open(destzip, 'rb') as fh:
        data = fh.read()
        sha1.update(data)
        sha256.update(data)
        sha512.update(data)

    print('Hashes of %s (size=%d)' % (destzip, len(data)))
    print('SHA-1:   %s' % sha1.hexdigest())
    print('SHA-256: %s' % sha256.hexdigest())
    print('SHA-512: %s' % sha512.hexdigest())