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| 1 # Copyright 2008 the V8 project authors. All rights reserved. | |
| 2 # Redistribution and use in source and binary forms, with or without | |
| 3 # modification, are permitted provided that the following conditions are | |
| 4 # met: | |
| 5 # | |
| 6 # * Redistributions of source code must retain the above copyright | |
| 7 # notice, this list of conditions and the following disclaimer. | |
| 8 # * Redistributions in binary form must reproduce the above | |
| 9 # copyright notice, this list of conditions and the following | |
| 10 # disclaimer in the documentation and/or other materials provided | |
| 11 # with the distribution. | |
| 12 # * Neither the name of Google Inc. nor the names of its | |
| 13 # contributors may be used to endorse or promote products derived | |
| 14 # from this software without specific prior written permission. | |
| 15 # | |
| 16 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 17 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 18 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 19 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 20 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 26 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 27 | |
| 28 | |
| 29 import platform | |
| 30 import re | |
| 31 | |
| 32 | |
| 33 # Reads a .list file into an array of strings | |
| 34 def ReadLinesFrom(name): | |
| 35 list = [] | |
| 36 for line in open(name): | |
| 37 if '#' in line: | |
| 38 line = line[:line.find('#')] | |
| 39 line = line.strip() | |
| 40 if len(line) == 0: | |
| 41 continue | |
| 42 list.append(line) | |
| 43 return list | |
| 44 | |
| 45 | |
| 46 def GuessOS(): | |
| 47 id = platform.system() | |
| 48 if id == 'Linux': | |
| 49 return 'linux' | |
| 50 elif id == 'Darwin': | |
| 51 return 'macos' | |
| 52 elif id.find('CYGWIN') >= 0: | |
| 53 return 'cygwin' | |
| 54 elif id == 'Windows' or id == 'Microsoft': | |
| 55 # On Windows Vista platform.system() can return 'Microsoft' with some | |
| 56 # versions of Python, see http://bugs.python.org/issue1082 | |
| 57 return 'win32' | |
| 58 elif id == 'FreeBSD': | |
| 59 return 'freebsd' | |
| 60 elif id == 'OpenBSD': | |
| 61 return 'openbsd' | |
| 62 elif id == 'SunOS': | |
| 63 return 'solaris' | |
| 64 elif id == 'NetBSD': | |
| 65 return 'netbsd' | |
| 66 else: | |
| 67 return None | |
| 68 | |
| 69 | |
| 70 # This will default to building the 32 bit VM even on machines that are capable | |
| 71 # of running the 64 bit VM. Use the scons option --arch=x64 to force it to buil
d | |
| 72 # the 64 bit VM. | |
| 73 def GuessArchitecture(): | |
| 74 id = platform.machine() | |
| 75 id = id.lower() # Windows 7 capitalizes 'AMD64'. | |
| 76 if id.startswith('arm'): | |
| 77 return 'arm' | |
| 78 elif (not id) or (not re.match('(x|i[3-6])86$', id) is None): | |
| 79 return 'ia32' | |
| 80 elif id == 'i86pc': | |
| 81 return 'ia32' | |
| 82 elif id == 'x86_64': | |
| 83 return 'ia32' | |
| 84 elif id == 'amd64': | |
| 85 return 'ia32' | |
| 86 else: | |
| 87 return None | |
| 88 | |
| 89 | |
| 90 def GuessWordsize(): | |
| 91 if '64' in platform.machine(): | |
| 92 return '64' | |
| 93 else: | |
| 94 return '32' | |
| 95 | |
| 96 | |
| 97 def IsWindows(): | |
| 98 return GuessOS() == 'win32' | |
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