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Windows: Enable ARM64 for MSVC

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This patch enables ARM64 as a new platform for Windows.
Platform query and documentation is updated accordingly.
This commit is contained in:
Gabor Kertesz 2021-10-29 12:31:40 +02:00
parent 369124f3c8
commit f22d3561fd
2 changed files with 9 additions and 4 deletions
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6
winbuild/build.rst
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@ -24,7 +24,7 @@ Download and install:
* `CMake 3.12 or newer <https://cmake.org/download/>`_
(also available as Visual Studio component C++ CMake tools for Windows)
* `NASM <https://www.nasm.us/pub/nasm/releasebuilds/?C=M;O=D>`_
* x86/x64: `NASM <https://www.nasm.us/pub/nasm/releasebuilds/?C=M;O=D>`_
Any version of Visual Studio 2017 or newer should be supported,
including Visual Studio 2017 Community, or Build Tools for Visual Studio 2019.
@ -42,8 +42,8 @@ behaviour of ``build_prepare.py``:
If ``PYTHON`` is unset, the version of Python used to run
``build_prepare.py`` will be used. If only ``PYTHON`` is set,
``EXECUTABLE`` defaults to ``python.exe``.
* ``ARCHITECTURE`` is used to select a ``x86`` or ``x64`` build. By default,
uses same architecture as the version of Python used to run ``build_prepare.py``.
* ``ARCHITECTURE`` is used to select a ``x86``, ``x64`` or ``ARM64``build.
By default, uses same architecture as the version of Python used to run ``build_prepare.py``.
is used.
* ``PILLOW_BUILD`` can be used to override the ``winbuild\build`` directory
path, used to store generated build scripts and compiled libraries.

7
winbuild/build_prepare.py
View File

@ -1,4 +1,5 @@
import os
import platform
import shutil
import struct
import subprocess
@ -93,6 +94,7 @@ SF_MIRROR = "http://iweb.dl.sourceforge.net"
architectures = {
"x86": {"vcvars_arch": "x86", "msbuild_arch": "Win32"},
"x64": {"vcvars_arch": "x86_amd64", "msbuild_arch": "x64"},
"ARM64": {"vcvars_arch": "x86_arm64", "msbuild_arch": "ARM64"},
}
header = [
@ -490,7 +492,10 @@ if __name__ == "__main__":
python_dir = os.environ.get("PYTHON")
python_exe = os.environ.get("EXECUTABLE", "python.exe")
architecture = os.environ.get(
"ARCHITECTURE", "x86" if struct.calcsize("P") == 4 else "x64"
"ARCHITECTURE",
"ARM64"
if platform.machine() == "ARM64"
else ("x86" if struct.calcsize("P") == 4 else "x64"),
)
build_dir = os.environ.get("PILLOW_BUILD", os.path.join(winbuild_dir, "build"))
sources_dir = ""