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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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