CROSSCOMPILING_EMULATOR

From Get docs
Cmake/docs/3.21/prop tgt/crosscompiling emulator


CROSSCOMPILING_EMULATOR

New in version 3.3.


Use the given emulator to run executables created when crosscompiling. This command will be added as a prefix to add_test(), add_custom_command(), and add_custom_target() commands for built target system executables.

If this property contains a semicolon-separated list, then the first value is the command and remaining values are its arguments.

This property is initialized by the value of the CMAKE_CROSSCOMPILING_EMULATOR variable if it is set when a target is created.

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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.21/prop_tgt/CROSSCOMPILING_EMULATOR.html