LIBRARY_OUTPUT_PATH
Old library location variable.
The target properties ARCHIVE_OUTPUT_DIRECTORY, LIBRARY_OUTPUT_DIRECTORY, and RUNTIME_OUTPUT_DIRECTORY supercede this variable for a target if they are set. Library targets are otherwise placed in this directory.
    © 2000–2019 Kitware, Inc. and Contributors
Licensed under the BSD 3-clause License.
    https://cmake.org/cmake/help/v3.5/variable/LIBRARY_OUTPUT_PATH.html