#!/usr/bin/env python # Copyright 2014 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. """Outputs host CPU architecture in format recognized by gyp.""" from __future__ import print_function import platform import re import sys def HostArch(): """Returns the host architecture with a predictable string.""" host_arch = platform.machine() # 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.startswith('aarch64'): host_arch = 'arm64' elif host_arch.startswith('mips64'): host_arch = 'mips64' elif host_arch.startswith('mips'): host_arch = 'mips' elif host_arch.startswith('ppc'): host_arch = 'ppc' elif host_arch.startswith('s390'): host_arch = 's390' # 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' if host_arch == 'arm64' and platform.architecture()[0] == '32bit': host_arch = 'arm' return host_arch def DoMain(_): """Hook to be called from gyp without starting a separate python interpreter.""" return HostArch() if __name__ == '__main__': print(DoMain([]))