Hi,
I am trying to compile the GDAL library for the Windows ARM64 architecture but 
fail during the build step because of undefined CPL_CPUID in the 
port\cpl_cpu_features.cpp file. The Windows ARM64 case seems not to be covered 
in the definition block at the top.
Can you please give advice on how to fix this issue, or can you please get me 
into contact with people working on creating GDAL binaries for Windows ARM64. 
If GDAL binaries for Windows ARM64 already exist, please point me to the 
download location. Thank you very much in advance.
Here are details on what I have done:

  *   The GDAL source was downloaded from the master branch at 
https://github.com/OSGeo/GDAL.
  *   CMAKE configuration command: cmake -DCMAKE_PREFIX_PATH=c:/develop 
-DBUILD_APPS=OFF -DGDAL_BUILD_OPTIONAL_DRIVERS=OFF 
-DOGR_BUILD_OPTIONAL_DRIVERS=OFF -DCMAKE_BUILD_TYPE=Release ..
  *   CMAKE build command: cmake --build .
The output from the config and build steps are attached. Dependencies, such as 
proj, hdf5, netcdf, sqlite3, expat, openssl, zlib and others had been compiled 
successfully previously and are accessible at compile time at C:\develop. I am 
working on a Windows on Arm system with Snapdragon(R) X Elite processor and 
32GB of RAM.
Any advice on how to make progress is greatly appreciated. Thanks in advance.

Best regards,
Reiner Schlitzer

------------------------------------------------
Prof. Dr. Reiner Schlitzer
Alfred-Wegener-Institut
Helmholtz-Zentrum für Polar- und Meeresforschung
Am Alten Hafen 26
27568 Bremerhaven
GERMANY

e-mail: [email protected]<mailto:[email protected]>
https://www.awi.de/en/about-us/organisation/staff/single-view/reiner-schlitzer.html

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