IMPORTED_SONAME_
From Get docs
Cmake/docs/3.21/prop tgt/imported soname config
IMPORTED_SONAME_
-specific version of IMPORTED_SONAME property.
Configuration names correspond to those provided by the project from which the target is imported.
© 2000–2021 Kitware, Inc. and Contributors
Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.21/prop_tgt/IMPORTED_SONAME_CONFIG.html