boringssl/util/bot/vs_toolchain.py
David Benjamin 2186fbc22c Refresh update_clang.py and download Windows Clang.
This is taken from Chromium and then pared down to remove unnecessary
bits. The Windows setup is somewhat more involved due to needing to copy
some DLL from Visual Studio.

Bug: 201
Change-Id: I0658f7a20ec4fdea007821d5ce331acd3cb494b2
Reviewed-on: https://boringssl-review.googlesource.com/20504
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
2017-09-18 20:36:33 +00:00

119 lines
4.0 KiB
Python

# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import json
import os
import pipes
import shutil
import subprocess
import sys
script_dir = os.path.dirname(os.path.realpath(__file__))
sys.path.insert(0, os.path.join(script_dir, 'gyp', 'pylib'))
json_data_file = os.path.join(script_dir, 'win_toolchain.json')
import gyp
TOOLCHAIN_VERSION = '2015'
TOOLCHAIN_HASH = 'f53e4598951162bad6330f7a167486c7ae5db1e5'
def SetEnvironmentAndGetRuntimeDllDirs():
"""Sets up os.environ to use the depot_tools VS toolchain with gyp, and
returns the location of the VS runtime DLLs so they can be copied into
the output directory after gyp generation.
"""
vs_runtime_dll_dirs = None
depot_tools_win_toolchain = \
bool(int(os.environ.get('DEPOT_TOOLS_WIN_TOOLCHAIN', '1')))
if sys.platform in ('win32', 'cygwin') and depot_tools_win_toolchain:
if not os.path.exists(json_data_file):
Update()
with open(json_data_file, 'r') as tempf:
toolchain_data = json.load(tempf)
toolchain = toolchain_data['path']
version = toolchain_data['version']
win_sdk = toolchain_data.get('win_sdk')
if not win_sdk:
win_sdk = toolchain_data['win8sdk']
wdk = toolchain_data['wdk']
# TODO(scottmg): The order unfortunately matters in these. They should be
# split into separate keys for x86 and x64. (See CopyVsRuntimeDlls call
# below). http://crbug.com/345992
vs_runtime_dll_dirs = toolchain_data['runtime_dirs']
os.environ['GYP_MSVS_OVERRIDE_PATH'] = toolchain
os.environ['GYP_MSVS_VERSION'] = version
# We need to make sure windows_sdk_path is set to the automated
# toolchain values in GYP_DEFINES, but don't want to override any
# otheroptions.express
# values there.
gyp_defines_dict = gyp.NameValueListToDict(gyp.ShlexEnv('GYP_DEFINES'))
gyp_defines_dict['windows_sdk_path'] = win_sdk
os.environ['GYP_DEFINES'] = ' '.join('%s=%s' % (k, pipes.quote(str(v)))
for k, v in gyp_defines_dict.iteritems())
os.environ['WINDOWSSDKDIR'] = win_sdk
os.environ['WDK_DIR'] = wdk
# Include the VS runtime in the PATH in case it's not machine-installed.
runtime_path = ';'.join(vs_runtime_dll_dirs)
os.environ['PATH'] = runtime_path + ';' + os.environ['PATH']
return vs_runtime_dll_dirs
def FindDepotTools():
"""Returns the path to depot_tools in $PATH."""
for path in os.environ['PATH'].split(os.pathsep):
if os.path.isfile(os.path.join(path, 'gclient.py')):
return path
raise Exception("depot_tools not found!")
def GetVisualStudioVersion():
"""Return GYP_MSVS_VERSION of Visual Studio."""
return os.environ.get('GYP_MSVS_VERSION', TOOLCHAIN_VERSION)
def Update():
"""Requests an update of the toolchain to the specific hashes we have at
this revision. The update outputs a .json of the various configuration
information required to pass to gyp which we use in |GetToolchainDir()|.
"""
depot_tools_win_toolchain = \
bool(int(os.environ.get('DEPOT_TOOLS_WIN_TOOLCHAIN', '1')))
if sys.platform in ('win32', 'cygwin') and depot_tools_win_toolchain:
depot_tools_path = FindDepotTools()
# Necessary so that get_toolchain_if_necessary.py will put the VS toolkit
# in the correct directory.
os.environ['GYP_MSVS_VERSION'] = TOOLCHAIN_VERSION
get_toolchain_args = [
sys.executable,
os.path.join(depot_tools_path,
'win_toolchain',
'get_toolchain_if_necessary.py'),
'--output-json', json_data_file, TOOLCHAIN_HASH,
]
subprocess.check_call(get_toolchain_args)
return 0
def main():
if not sys.platform.startswith(('win32', 'cygwin')):
return 0
commands = {
'update': Update,
}
if len(sys.argv) < 2 or sys.argv[1] not in commands:
print >>sys.stderr, 'Expected one of: %s' % ', '.join(commands)
return 1
return commands[sys.argv[1]](*sys.argv[2:])
if __name__ == '__main__':
sys.exit(main())