New in version 3.10.
This is a CMake Environment Variable. Its initial value is taken from the calling process environment.
Target specific architectures for macOS.
The CMAKE_OSX_ARCHITECTURES environment variable sets the default value for the CMAKE_OSX_ARCHITECTURES variable. See OSX_ARCHITECTURES for more information.
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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.19/envvar/CMAKE_OSX_ARCHITECTURES.html