mirror of
https://bitbucket.org/chromiumembedded/cef
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113 lines
3.8 KiB
Python
113 lines
3.8 KiB
Python
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# Copyright (c) 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import errno
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import os
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import re
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import subprocess
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import sys
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"""
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Copies the given "win tool" (which the toolchain uses to wrap compiler
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invocations) and the environment blocks for the 32-bit and 64-bit builds on
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Windows to the build directory.
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The arguments are the visual studio install location and the location of the
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win tool. The script assumes that the root build directory is the current dir
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and the files will be written to the current directory.
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"""
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def ExtractImportantEnvironment():
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"""Extracts environment variables required for the toolchain from the
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current environment."""
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# This list should be kept synchronized with _ExtractImportantEnvironment from
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# tools/gyp/pylib/gyp/msvs_emulation.py.
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envvars_to_save = (
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'goma_.*', # TODO(scottmg): This is ugly, but needed for goma.
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'include', # Needed by midl compiler.
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'lib',
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'libpath',
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'path',
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'pathext',
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'systemroot',
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'temp',
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'tmp',
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)
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result = {}
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for envvar in envvars_to_save:
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if envvar in os.environ:
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envvar = envvar.lower()
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if envvar == 'path':
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# Our own rules (for running gyp-win-tool) and other actions in
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# Chromium rely on python being in the path. Add the path to this
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# python here so that if it's not in the path when ninja is run
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# later, python will still be found.
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result[envvar.upper()] = os.path.dirname(sys.executable) + \
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os.pathsep + os.environ[envvar]
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else:
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result[envvar.upper()] = os.environ[envvar]
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for required in ('SYSTEMROOT', 'TEMP', 'TMP'):
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if required not in result:
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raise Exception('Environment variable "%s" '
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'required to be set to valid path' % required)
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return result
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def FormatAsEnvironmentBlock(envvar_dict):
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"""Format as an 'environment block' directly suitable for CreateProcess.
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Briefly this is a list of key=value\0, terminated by an additional \0. See
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CreateProcess documentation for more details."""
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block = ''
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nul = '\0'
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for key, value in envvar_dict.iteritems():
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block += key + '=' + value + nul
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block += nul
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return block
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def CopyTool(source_path):
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"""Copies the given tool to the current directory, including a warning not
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to edit it."""
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with open(source_path) as source_file:
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tool_source = source_file.readlines()
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# Add header and write it out to the current directory (which should be the
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# root build dir).
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with open("gyp-win-tool", 'w') as tool_file:
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tool_file.write(''.join([tool_source[0],
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'# Generated by setup_toolchain.py do not edit.\n']
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+ tool_source[1:]))
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if len(sys.argv) != 4:
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print('Usage setup_toolchain.py '
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'<visual studio path> <win tool path> <win sdk path>')
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sys.exit(2)
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vs_path = sys.argv[1]
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tool_source = sys.argv[2]
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win_sdk_path = sys.argv[3]
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CopyTool(tool_source)
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important_env_vars = ExtractImportantEnvironment()
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path = important_env_vars["PATH"].split(";")
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# Add 32-bit compiler path to the beginning and write the block.
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path32 = [os.path.join(vs_path, "VC\\BIN\\amd64_x86")] + \
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[os.path.join(win_sdk_path, "bin\\x86")] + \
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path
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important_env_vars["PATH"] = ";".join(path32)
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environ = FormatAsEnvironmentBlock(important_env_vars)
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with open('environment.x86', 'wb') as env_file:
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env_file.write(environ)
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# Add 64-bit compiler path to the beginning and write the block.
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path64 = [os.path.join(vs_path, "VC\\BIN\\amd64")] + \
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[os.path.join(win_sdk_path, "bin\\x64")] + \
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path
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important_env_vars["PATH"] = ";".join(path64)
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environ = FormatAsEnvironmentBlock(important_env_vars)
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with open('environment.x64', 'wb') as env_file:
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env_file.write(environ)
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