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99 lines
3.1 KiB
99 lines
3.1 KiB
12 years ago
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# Copyright 2008 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import platform
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import re
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# Reads a .list file into an array of strings
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def ReadLinesFrom(name):
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list = []
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for line in open(name):
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if '#' in line:
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line = line[:line.find('#')]
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line = line.strip()
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if len(line) == 0:
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continue
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list.append(line)
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return list
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def GuessOS():
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id = platform.system()
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if id == 'Linux':
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return 'linux'
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elif id == 'Darwin':
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return 'macos'
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elif id.find('CYGWIN') >= 0:
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return 'cygwin'
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elif id == 'Windows' or id == 'Microsoft':
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# On Windows Vista platform.system() can return 'Microsoft' with some
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# versions of Python, see http://bugs.python.org/issue1082
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return 'win32'
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elif id == 'FreeBSD':
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return 'freebsd'
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elif id == 'OpenBSD':
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return 'openbsd'
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elif id == 'SunOS':
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return 'solaris'
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elif id == 'NetBSD':
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return 'netbsd'
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else:
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return None
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# This will default to building the 32 bit VM even on machines that are capable
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# of running the 64 bit VM. Use the scons option --arch=x64 to force it to build
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# the 64 bit VM.
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def GuessArchitecture():
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id = platform.machine()
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id = id.lower() # Windows 7 capitalizes 'AMD64'.
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if id.startswith('arm'):
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return 'arm'
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elif (not id) or (not re.match('(x|i[3-6])86$', id) is None):
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return 'ia32'
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elif id == 'i86pc':
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return 'ia32'
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elif id == 'x86_64':
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return 'ia32'
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elif id == 'amd64':
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return 'ia32'
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else:
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return None
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def GuessWordsize():
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if '64' in platform.machine():
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return '64'
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else:
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return '32'
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def IsWindows():
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return GuessOS() == 'win32'
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