bratell@opera.com | 9aa1c63 | 2014-06-06 18:56:44 +0900 | [diff] [blame] | 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 | |
kaliamoorthi@chromium.org | 9736d6a | 2014-07-09 21:06:21 +0900 | [diff] [blame] | 13 | def HostArch(): |
| 14 | """Returns the host architecture with a predictable string.""" |
bratell@opera.com | 9aa1c63 | 2014-06-06 18:56:44 +0900 | [diff] [blame] | 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 | |
kaliamoorthi@chromium.org | 9736d6a | 2014-07-09 21:06:21 +0900 | [diff] [blame] | 34 | def DoMain(_): |
| 35 | """Hook to be called from gyp without starting a separate python |
| 36 | interpreter.""" |
| 37 | return HostArch() |
| 38 | |
bratell@opera.com | 9aa1c63 | 2014-06-06 18:56:44 +0900 | [diff] [blame] | 39 | if __name__ == '__main__': |
kaliamoorthi@chromium.org | 9736d6a | 2014-07-09 21:06:21 +0900 | [diff] [blame] | 40 | print DoMain([]) |