blob: ccfbb6e5703641ba3255cb179717da8181ae79ef [file] [log] [blame]
[email protected]25a967e2014-01-31 17:23:561#!/usr/bin/env python
2# Copyright 2014 The Chromium Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6"""Outputs host CPU architecture in format recognized by gyp."""
7
8import platform
9import re
10import sys
11
12
[email protected]d6bdd542014-07-09 12:06:2113def HostArch():
14 """Returns the host architecture with a predictable string."""
[email protected]25a967e2014-01-31 17:23:5615 host_arch = platform.machine()
16
17 # Convert machine type to format recognized by gyp.
18 if re.match(r'i.86', host_arch) or host_arch == 'i86pc':
19 host_arch = 'ia32'
20 elif host_arch in ['x86_64', 'amd64']:
21 host_arch = 'x64'
22 elif host_arch.startswith('arm'):
23 host_arch = 'arm'
brendan.kirbya321aeb232016-06-15 15:48:0324 elif host_arch.startswith('mips'):
25 host_arch = 'mips'
[email protected]25a967e2014-01-31 17:23:5626
27 # platform.machine is based on running kernel. It's possible to use 64-bit
28 # kernel with 32-bit userland, e.g. to give linker slightly more memory.
29 # Distinguish between different userland bitness by querying
30 # the python binary.
31 if host_arch == 'x64' and platform.architecture()[0] == '32bit':
32 host_arch = 'ia32'
33
[email protected]d2f389242014-06-06 09:56:4434 return host_arch
[email protected]25a967e2014-01-31 17:23:5635
[email protected]d6bdd542014-07-09 12:06:2136def DoMain(_):
37 """Hook to be called from gyp without starting a separate python
38 interpreter."""
39 return HostArch()
40
[email protected]25a967e2014-01-31 17:23:5641if __name__ == '__main__':
[email protected]d6bdd542014-07-09 12:06:2142 print DoMain([])