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#!/usr/bin/env python
# Copyright 2014 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.
"""Outputs host CPU architecture in format recognized by gyp."""
import platform
import re
import sys
def main():
print DoMain([])
return 0
def DoMain(_):
return DetectHostArch();
def DetectHostArch():
"""Hook to be called from gyp without starting a separate python
interpreter."""
host_arch = platform.machine()
host_system = platform.system();
# Convert machine type to format recognized by gyp.
if re.match(r'i.86', host_arch) or host_arch == 'i86pc':
host_arch = 'ia32'
elif host_arch in ['x86_64', 'amd64']:
host_arch = 'x64'
elif host_arch.startswith('arm'):
host_arch = 'arm'
elif host_arch == 'aarch64':
host_arch = 'arm64'
elif host_arch == 'mips64':
host_arch = 'mips64el'
elif host_arch.startswith('mips'):
host_arch = 'mipsel'
# Under AIX the value returned by platform.machine is not
# the best indicator of the host architecture
# AIX 6.1 which is the lowest level supported only provides
# a 64 bit kernel
if host_system == 'AIX':
host_arch = 'ppc64'
# platform.machine is based on running kernel. It's possible to use 64-bit
# kernel with 32-bit userland, e.g. to give linker slightly more memory.
# Distinguish between different userland bitness by querying
# the python binary.
if host_arch == 'x64' and platform.architecture()[0] == '32bit':
host_arch = 'ia32'
return host_arch
if __name__ == '__main__':
sys.exit(main())
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