blob: 268646197accd55215ffed11fd0c1e10a383930c [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
13def main():
14 host_arch = platform.machine()
15
16 # Convert machine type to format recognized by gyp.
17 if re.match(r'i.86', host_arch) or host_arch == 'i86pc':
18 host_arch = 'ia32'
19 elif host_arch in ['x86_64', 'amd64']:
20 host_arch = 'x64'
21 elif host_arch.startswith('arm'):
22 host_arch = 'arm'
23
24 # platform.machine is based on running kernel. It's possible to use 64-bit
25 # kernel with 32-bit userland, e.g. to give linker slightly more memory.
26 # Distinguish between different userland bitness by querying
27 # the python binary.
28 if host_arch == 'x64' and platform.architecture()[0] == '32bit':
29 host_arch = 'ia32'
30
31 print host_arch
32 return 0
33
34if __name__ == '__main__':
35 sys.exit(main())