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# 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.
From a system-installed copy of the toolchain, packages all the required bits
into a .zip file.
It assumes default install locations for tools, in particular:
- C:\Program Files (x86)\Microsoft Visual Studio 12.0\...
- C:\Program Files (x86)\Windows Kits\8.1\...
1. Start from a fresh Win7 VM image.
2. Install VS Pro. Deselect everything except MFC.
3. Install Windows 8 SDK. Select only the Windows SDK and Debugging Tools for
4. Run this script, which will build a <sha1>.zip.
Express is not yet supported by this script, but patches welcome (it's not too
useful as the resulting zip can't be redistributed, and most will presumably
have a Pro license anyway).
import os
import shutil
import sys
import tempfile
import zipfile
import get_toolchain_if_necessary
def BuildFileList():
result = []
# Subset of VS corresponding roughly to VC.
paths = [
'DIA SDK/bin',
'DIA SDK/idl',
'DIA SDK/include',
'DIA SDK/lib',
if VS_VERSION == '2013':
paths += [
('VC/redist/x86/Microsoft.VC120.CRT', 'sys32'),
('VC/redist/x86/Microsoft.VC120.MFC', 'sys32'),
('VC/redist/Debug_NonRedist/x86/Microsoft.VC120.DebugCRT', 'sys32'),
('VC/redist/Debug_NonRedist/x86/Microsoft.VC120.DebugMFC', 'sys32'),
('VC/redist/x64/Microsoft.VC120.CRT', 'sys64'),
('VC/redist/x64/Microsoft.VC120.MFC', 'sys64'),
('VC/redist/Debug_NonRedist/x64/Microsoft.VC120.DebugCRT', 'sys64'),
('VC/redist/Debug_NonRedist/x64/Microsoft.VC120.DebugMFC', 'sys64'),
elif VS_VERSION == '2015':
paths += [
('VC/redist/x86/Microsoft.VC140.CRT', 'sys32'),
('VC/redist/x86/Microsoft.VC140.MFC', 'sys32'),
('VC/redist/debug_nonredist/x86/Microsoft.VC140.DebugCRT', 'sys32'),
('VC/redist/debug_nonredist/x86/Microsoft.VC140.DebugMFC', 'sys32'),
('VC/redist/x64/Microsoft.VC140.CRT', 'sys64'),
('VC/redist/x64/Microsoft.VC140.MFC', 'sys64'),
('VC/redist/debug_nonredist/x64/Microsoft.VC140.DebugCRT', 'sys64'),
('VC/redist/debug_nonredist/x64/Microsoft.VC140.DebugMFC', 'sys64'),
raise ValueError('VS_VERSION %s' % VS_VERSION)
if VS_VERSION == '2013':
vs_path = r'C:\Program Files (x86)\Microsoft Visual Studio 12.0'
vs_path = r'C:\Program Files (x86)\Microsoft Visual Studio 14.0'
for path in paths:
src = path[0] if isinstance(path, tuple) else path
combined = os.path.join(vs_path, src)
assert os.path.exists(combined) and os.path.isdir(combined)
for root, _, files in os.walk(combined):
for f in files:
final_from = os.path.normpath(os.path.join(root, f))
if isinstance(path, tuple):
(final_from, os.path.normpath(os.path.join(path[1], f))))
assert final_from.startswith(vs_path)
dest = final_from[len(vs_path) + 1:]
if VS_VERSION == '2013' and dest.lower().endswith('\\xtree'):
# Patch for C4702 in xtree on VS2013.
(handle, patched) = tempfile.mkstemp()
with open(final_from, 'rb') as unpatched_f:
unpatched_contents =
unpatched_contents.replace('warning(disable: 4127)',
'warning(disable: 4127 4702)'))
result.append((patched, dest))
result.append((final_from, dest))
# Just copy the whole SDK.
sdk_path = r'C:\Program Files (x86)\Windows Kits\8.1'
for root, _, files in os.walk(sdk_path):
for f in files:
combined = os.path.normpath(os.path.join(root, f))
to = os.path.join('win_sdk', combined[len(sdk_path) + 1:])
result.append((combined, to))
if VS_VERSION == '2015':
for ucrt_path in (
(r'C:\Program Files (x86)\Windows Kits\10\Include', 'Include'),
(r'C:\Program Files (x86)\Windows Kits\10\Lib', 'Lib'),
(r'C:\Program Files (x86)\Windows Kits\10\Source', 'Source')):
src, target = ucrt_path
for root, _, files in os.walk(src):
for f in files:
combined = os.path.normpath(os.path.join(root, f))
to = os.path.join('ucrt', target, combined[len(src) + 1:])
result.append((combined, to))
system_crt_files = [
for system_crt_file in system_crt_files:
result.append((os.path.join(r'C:\Windows\SysWOW64', system_crt_file),
os.path.join('sys32', system_crt_file)))
result.append((os.path.join(r'C:\Windows\Sysnative', system_crt_file),
os.path.join('sys64', system_crt_file)))
# Generically drop all arm stuff that we don't need.
return [(f, t) for f, t in result if 'arm\\' not in f.lower() and
'arm64\\' not in f.lower()]
def GenerateSetEnvCmd(target_dir):
"""Generate a batch file that gyp expects to exist to set up the compiler
This is normally generated by a full install of the SDK, but we
do it here manually since we do not do a full install."""
with open(os.path.join(
target_dir, r'win_sdk\bin\SetEnv.cmd'), 'w') as f:
f.write('@echo off\n'
':: Generated by win_toolchain\\\n'
# Common to x86 and x64
'set PATH=%~dp0..\\..\\Common7\\IDE;%PATH%\n'
'set INCLUDE=%~dp0..\\..\\win_sdk\\Include\\um;'
'if "%1"=="/x64" goto x64\n')
# x86. Always use amd64_x86 cross, not x86 on x86.
f.write('set PATH=%~dp0..\\..\\win_sdk\\bin\\x86;'
'%~dp0..\\..\\VC\\bin\\amd64;' # Needed for mspdb1x0.dll.
f.write('set LIB=%~dp0..\\..\\VC\\lib;'
'goto :EOF\n')
# x64.
'set PATH=%~dp0..\\..\\win_sdk\\bin\\x64;'
f.write('set LIB=%~dp0..\\..\\VC\\lib\\amd64;'
def AddEnvSetup(files):
"""We need to generate this file in the same way that the "from pieces"
script does, so pull that in here."""
tempdir = tempfile.mkdtemp()
os.makedirs(os.path.join(tempdir, 'win_sdk', 'bin'))
files.append((os.path.join(tempdir, 'win_sdk', 'bin', 'SetEnv.cmd'),
vs_version_file = os.path.join(tempdir, 'VS_VERSION')
with open(vs_version_file, 'wb') as version:
print >>version, VS_VERSION
files.append((vs_version_file, 'VS_VERSION'))
def RenameToSha1(output):
"""Determine the hash in the same way that the unzipper does to rename the
# .zip file."""
print 'Extracting to determine hash...'
tempdir = tempfile.mkdtemp()
old_dir = os.getcwd()
rel_dir = 'vs_files'
with zipfile.ZipFile(
os.path.join(old_dir, output), 'r', zipfile.ZIP_DEFLATED, True) as zf:
print 'Hashing...'
sha1 = get_toolchain_if_necessary.CalculateHash(rel_dir)
final_name = sha1 + '.zip'
os.rename(output, final_name)
print 'Renamed %s to %s.' % (output, final_name)
def main():
if len(sys.argv) != 2 or sys.argv[1] not in ('2013', '2015'):
print 'Usage: 2013|2015'
return 1
VS_VERSION = sys.argv[1]
print 'Building file list...'
files = BuildFileList()
if False:
for f in files:
print f[0], '->', f[1]
return 0
output = ''
if os.path.exists(output):
count = 0
with zipfile.ZipFile(output, 'w', zipfile.ZIP_DEFLATED, True) as zf:
for disk_name, archive_name in files:
sys.stdout.write('\r%d/%d ...%s' % (count, len(files), disk_name[-40:]))
count += 1
zf.write(disk_name, archive_name)
sys.stdout.write('\rWrote to %s.%s\n' % (output, ' '*50))
return 0
if __name__ == '__main__':