2 # Copyright 2014 The Chromium Authors
3 # Use of this source code is governed by a BSD-style license that can be
4 # found in the LICENSE file.
6 """Outputs host CPU architecture in format recognized by gyp."""
15 """Returns the host architecture with a predictable string."""
16 host_arch = platform.machine()
18 # Convert machine type to format recognized by gyp.
19 if re.match(r'i.86', host_arch) or host_arch == 'i86pc':
21 elif host_arch in ['x86_64', 'amd64']:
23 elif host_arch.startswith('arm'):
25 elif host_arch.startswith('aarch64'):
27 elif host_arch.startswith('mips64'):
29 elif host_arch.startswith('mips'):
31 elif host_arch.startswith('ppc'):
33 elif host_arch.startswith('s390'):
37 # platform.machine is based on running kernel. It's possible to use 64-bit
38 # kernel with 32-bit userland, e.g. to give linker slightly more memory.
39 # Distinguish between different userland bitness by querying
41 if host_arch == 'x64' and platform.architecture()[0] == '32bit':
43 if host_arch == 'arm64' and platform.architecture()[0] == '32bit':
49 """Hook to be called from gyp without starting a separate python
53 if __name__ == '__main__':