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- #!/usr/bin/env python
- # Copyright 2014 The Chromium Authors. All rights reserved.
- # Use of this source code is governed by a BSD-style license that can be
- # found in the LICENSE file.
- """Outputs host CPU architecture in format recognized by gyp."""
- from __future__ import print_function
- import platform
- import re
- import sys
- def HostArch():
- """Returns the host architecture with a predictable string."""
- host_arch = platform.machine()
- # Convert machine type to format recognized by gyp.
- if re.match(r'i.86', host_arch) or host_arch == 'i86pc':
- host_arch = 'ia32'
- elif host_arch in ['x86_64', 'amd64']:
- host_arch = 'x64'
- elif host_arch.startswith('arm'):
- host_arch = 'arm'
- elif host_arch.startswith('aarch64'):
- host_arch = 'arm64'
- elif host_arch.startswith('mips64'):
- host_arch = 'mips64'
- elif host_arch.startswith('mips'):
- host_arch = 'mips'
- elif host_arch.startswith('ppc'):
- host_arch = 'ppc'
- elif host_arch.startswith('s390'):
- host_arch = 's390'
- # platform.machine is based on running kernel. It's possible to use 64-bit
- # kernel with 32-bit userland, e.g. to give linker slightly more memory.
- # Distinguish between different userland bitness by querying
- # the python binary.
- if host_arch == 'x64' and platform.architecture()[0] == '32bit':
- host_arch = 'ia32'
- if host_arch == 'arm64' and platform.architecture()[0] == '32bit':
- host_arch = 'arm'
- return host_arch
- def DoMain(_):
- """Hook to be called from gyp without starting a separate python
- interpreter."""
- return HostArch()
- if __name__ == '__main__':
- print(DoMain([]))
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