/usr/lib/x86_64-linux-gnu/cmake/ is in libtelepathy-qt5-dev 0.9.6.1-0ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/cmake/TelepathyQt5/
/usr/lib/x86_64-linux-gnu/cmake/TelepathyQt5/TelepathyQt5Config.cmake
/usr/lib/x86_64-linux-gnu/cmake/TelepathyQt5/TelepathyQt5ConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/TelepathyQt5/TelepathyQt5Targets-none.cmake
/usr/lib/x86_64-linux-gnu/cmake/TelepathyQt5/TelepathyQt5Targets.cmake
/usr/lib/x86_64-linux-gnu/cmake/TelepathyQt5Farstream/
/usr/lib/x86_64-linux-gnu/cmake/TelepathyQt5Farstream/TelepathyQt5FarstreamConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/TelepathyQt5Farstream/TelepathyQt5FarstreamConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/TelepathyQt5Service/
/usr/lib/x86_64-linux-gnu/cmake/TelepathyQt5Service/TelepathyQt5ServiceConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/TelepathyQt5Service/TelepathyQt5ServiceConfigVersion.cmake