| #!/usr/bin/env python3 |
| # Copyright 2014 The Chromium Authors |
| # 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.""" |
| |
| |
| 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([])) |