blob: 78d1e0d6272445d5bab884879f0fd442ec2c885c [file] [log] [blame]
Steve Blocka7e24c12009-10-30 11:49:00 +00001# 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
29import platform
30import re
31
32
33# Reads a .list file into an array of strings
34def 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
46def GuessOS():
47 id = platform.system()
48 if id == 'Linux':
49 return 'linux'
50 elif id == 'Darwin':
51 return 'macos'
52 elif id == 'Windows' or id == 'Microsoft':
53 # On Windows Vista platform.system() can return 'Microsoft' with some
54 # versions of Python, see http://bugs.python.org/issue1082
55 return 'win32'
56 elif id == 'FreeBSD':
57 return 'freebsd'
58 else:
59 return None
60
61
62def GuessArchitecture():
63 id = platform.machine()
64 if id.startswith('arm'):
65 return 'arm'
66 elif (not id) or (not re.match('(x|i[3-6])86', id) is None):
67 return 'ia32'
68 else:
69 return None
70
71
72def GuessWordsize():
73 if '64' in platform.machine():
74 return '64'
75 else:
76 return '32'
77
78
79def IsWindows():
80 return GuessOS() == 'win32'