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As this deprecates the internal lib of CPython, any further support should be added and expected here.
Short summary
On WoA machine, the cross-compile MSVC is called by default, while on x64 it can be enforced by VSCMD_ARG_TGT_ARCH=arm64 env var.
win-arm64 is supported as host platform
https://github.com/pypa/setuptools/blob/main/setuptools/_distutils/util.py#L40
Code Block def get_host_platform(): if os.name == 'nt': if 'amd64' in sys.version.lower(): return 'win-amd64' if '(arm)' in sys.version.lower(): return 'win-arm32' if '(arm64)' in sys.version.lower(): return 'win-arm64' return sys.platformhttps://github.com/pypa/setuptools/blob/main/setuptools/_distutils/_msvccompiler.py#L92
Code Block PLAT_TO_VCVARS = { 'win32' : 'x86', 'win-amd64' : 'x86_amd64', 'win-arm32' : 'x86_arm', 'win-arm64' : 'x86_arm64' }
win-arm64 is supported as a target platform as well
Code Block def get_platform(): if os.name == 'nt': TARGET_TO_PLAT = { 'x86' : 'win32', 'x64' : 'win-amd64', 'arm' : 'win-arm32', 'arm64': 'win-arm64', } return TARGET_TO_PLAT.get(os.environ.get('VSCMD_ARG_TGT_ARCH')) or get_host_platform() else: return get_host_platform()
Test
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Test command:
python setup.py build_ext
setuptools-57.4.0/distutils (new)
SETUPTOOLS_USE_DISTUTILS=local
x64
VSCMD_ARG_TGT_ARCH=
self.plat_name: win32
get_platform() win32
get_host_platform() win32
self.cc C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30037\bin\HostX86\x86\cl.exe
VSCMD_ARG_TGT_ARCH=arm64
self.plat_name: win-arm64
get_platform() win-arm64
get_host_platform() win32
self.cc C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30037\bin\HostX86\ARM64\cl.exe
Tested projects:
Cython: successful
numpy: failed (as numpy relies on old distutils)
win-arm64
VSCMD_ARG_TGT_ARCH=
self.plat_name: win-arm64
get_platform() win-arm64
get_host_platform() win-arm64
self.cc C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30037\bin\HostX86\ARM64\cl.exe
VSCMD_ARG_TGT_ARCH=arm64
self.plat_name: win-arm64
get_platform() win-arm64
get_host_platform() win-arm64
self.cc C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30037\bin\HostX86\ARM64\cl.exe
Tested projects:
Cython: successful
numpy: failed (as numpy relies on old distutils)
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