EXPORT_NO_SYSTEM
New in version 3.25.
Specifies that install(EXPORT) and export() commands will generate an imported target with SYSTEM property OFF.
See the NO_SYSTEM_FROM_IMPORTED target property to set this behavior on the target consuming the include directories rather than the one providing them.
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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.25/prop_tgt/EXPORT_NO_SYSTEM.html