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1 #!/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 | |
8 import platform | |
9 import re | |
10 import sys | |
11 | |
12 | |
13 def HostArch(): | |
14 """Returns the host architecture with a predictable string.""" | |
15 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' | |
24 | |
25 # platform.machine is based on running kernel. It's possible to use 64-bit | |
26 # kernel with 32-bit userland, e.g. to give linker slightly more memory. | |
27 # Distinguish between different userland bitness by querying | |
28 # the python binary. | |
29 if host_arch == 'x64' and platform.architecture()[0] == '32bit': | |
30 host_arch = 'ia32' | |
31 | |
32 return host_arch | |
33 | |
34 def DoMain(_): | |
35 """Hook to be called from gyp without starting a separate python | |
36 interpreter.""" | |
37 return HostArch() | |
38 | |
39 if __name__ == '__main__': | |
40 print DoMain([]) | |
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