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# Copyright 2008 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import platform
import re
# Reads a .list file into an array of strings
def ReadLinesFrom(name):
list = []
for line in open(name):
if '#' in line:
line = line[:line.find('#')]
line = line.strip()
if len(line) == 0:
continue
list.append(line)
return list
def GuessOS():
id = platform.system()
if id == 'Linux':
return 'linux'
elif id == 'Darwin':
return 'macos'
elif id.find('CYGWIN') >= 0:
return 'cygwin'
elif id == 'Windows' or id == 'Microsoft':
# On Windows Vista platform.system() can return 'Microsoft' with some
# versions of Python, see http://bugs.python.org/issue1082
return 'win32'
elif id == 'FreeBSD':
return 'freebsd'
elif id == 'OpenBSD':
return 'openbsd'
elif id == 'SunOS':
return 'solaris'
elif id == 'NetBSD':
return 'netbsd'
elif id == 'AIX':
return 'aix'
else:
return None
# This will default to building the 32 bit VM even on machines that are capable
# of running the 64 bit VM. Use the scons option --arch=x64 to force it to build
# the 64 bit VM.
def GuessArchitecture():
id = platform.machine()
id = id.lower() # Windows 7 capitalizes 'AMD64'.
if id.startswith('armv6'): # Can return 'armv6l'.
return 'armv6'
elif id.startswith('arm') or id == 'aarch64':
return 'arm'
elif (not id) or (not re.match('(x|i[3-6])86$', id) is None):
return 'ia32'
elif id == 'i86pc':
return 'ia32'
elif id == 'x86_64':
return 'ia32'
elif id == 'amd64':
return 'ia32'
elif id.startswith('ppc'):
return 'ppc'
elif id == 's390x':
return 's390'
else:
id = platform.processor()
if id == 'powerpc':
return 'ppc'
return None
def IsWindows():
return GuessOS() == 'win32'
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