@@ -60,7 +60,7 @@ def main():
6060 )
6161
6262# https://stackoverflow.com/questions/1405913/python-32bit-or-64bit-mode
63- x64 = sys .maxsize > 2 ** 32
63+ is64 = sys .maxsize > 2 ** 32
6464
6565package_name = "opencv-python"
6666
@@ -88,7 +88,7 @@ def main():
8888# Path regexes with forward slashes relative to CMake install dir.
8989rearrange_cmake_output_data = {
9090"cv2" : (
91- [r"bin/opencv_videoio_ffmpeg\d{3}%s\.dll" % ("_64" if x64 else "" )]
91+ [r"bin/opencv_videoio_ffmpeg\d{3}%s\.dll" % ("_64" if is64 else "" )]
9292if os .name == "nt"
9393else []
9494 )
@@ -130,7 +130,7 @@ def main():
130130files_outside_package_dir = {"cv2" : ["LICENSE.txt" ,"LICENSE-3RD-PARTY.txt" ]}
131131
132132ci_cmake_generator = (
133- ["-G" ,"Visual Studio 14" + (" Win64" if x64 else "" )]
133+ ["-G" ,"Visual Studio 14" + (" Win64" if is64 else "" )]
134134if os .name == "nt"
135135else ["-G" ,"Unix Makefiles" ]
136136 )
@@ -164,9 +164,15 @@ def main():
164164"-DBUILD_PNG=ON" ,
165165 ]
166166+ (
167+ # CMake flags for windows/arm64 build
168+ ["-DCMAKE_GENERATOR_PLATFORM=ARM64" ,
169+ # Emulated cmake requires following flags to correctly detect
170+ # target architecture for windows/arm64 build
171+ "-DOPENCV_WORKAROUND_CMAKE_20989=ON" ,
172+ "-DCMAKE_SYSTEM_PROCESSOR=ARM64" ]
173+ if platform .machine ()== "ARM64" and sys .platform == "win32"
167174# If it is not defined 'linker flags: /machine:X86' on Windows x64
168- ["-DCMAKE_GENERATOR_PLATFORM=x64" ]
169- if x64 and sys .platform == "win32"
175+ else ["-DCMAKE_GENERATOR_PLATFORM=x64" ]if is64 and sys .platform == "win32"
170176else []
171177 )
172178+ (
@@ -186,7 +192,7 @@ def main():
186192"-DWITH_MSMF=OFF"
187193 )# see: https://github.com/skvark/opencv-python/issues/263
188194
189- if sys .platform .startswith ("linux" )and not x64 and "bdist_wheel" in sys .argv :
195+ if sys .platform .startswith ("linux" )and not is64 and "bdist_wheel" in sys .argv :
190196subprocess .check_call ("patch -p0 < patches/patchOpenEXR" ,shell = True )
191197
192198# OS-specific components during CI builds