~ubuntu-branches/ubuntu/trusty/libv8-3.14/trusty

# 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('arm'):

    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 == 'ppc64':

    return 'ppc'

  else:

    return None

def GuessWordsize():

  if '64' in platform.machine():

    return '64'

  else:

    return '32'

def IsWindows():

  return GuessOS() == 'win32'