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1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
2 # Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 3 # Use of this source code is governed by a BSD-style license that can be |
4 # found in the LICENSE file. | 4 # found in the LICENSE file. |
5 | 5 |
6 """Outputs host CPU architecture in format recognized by gyp.""" | 6 """Outputs host CPU architecture in format recognized by gyp.""" |
7 | 7 |
8 import platform | 8 import platform |
9 import re | 9 import re |
10 import sys | 10 import sys |
11 | 11 |
12 | 12 |
13 def HostArch(): | 13 def main(): |
14 """Returns the host architecture with a predictable string.""" | 14 print DoMain([]) |
| 15 return 0 |
| 16 |
| 17 def DoMain(_): |
| 18 """Hook to be called from gyp without starting a separate python |
| 19 interpreter.""" |
15 host_arch = platform.machine() | 20 host_arch = platform.machine() |
16 | 21 |
17 # Convert machine type to format recognized by gyp. | 22 # Convert machine type to format recognized by gyp. |
18 if re.match(r'i.86', host_arch) or host_arch == 'i86pc': | 23 if re.match(r'i.86', host_arch) or host_arch == 'i86pc': |
19 host_arch = 'ia32' | 24 host_arch = 'ia32' |
20 elif host_arch in ['x86_64', 'amd64']: | 25 elif host_arch in ['x86_64', 'amd64']: |
21 host_arch = 'x64' | 26 host_arch = 'x64' |
22 elif host_arch.startswith('arm'): | 27 elif host_arch.startswith('arm'): |
23 host_arch = 'arm' | 28 host_arch = 'arm' |
24 | 29 |
25 # platform.machine is based on running kernel. It's possible to use 64-bit | 30 # 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. | 31 # kernel with 32-bit userland, e.g. to give linker slightly more memory. |
27 # Distinguish between different userland bitness by querying | 32 # Distinguish between different userland bitness by querying |
28 # the python binary. | 33 # the python binary. |
29 if host_arch == 'x64' and platform.architecture()[0] == '32bit': | 34 if host_arch == 'x64' and platform.architecture()[0] == '32bit': |
30 host_arch = 'ia32' | 35 host_arch = 'ia32' |
31 | 36 |
32 return host_arch | 37 return host_arch |
33 | 38 |
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__': | 39 if __name__ == '__main__': |
40 print DoMain([]) | 40 sys.exit(main()) |
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