Vagrant Cascadian authored Jan 15, 2022 and Roman Ondráček committed Jan 18, 2022

This avoids embedding the full path in RPATH, which triggers BuildId
differences.

https://tests.reproducible-builds.org/debian/issues/unstable/cmake_rpath_contains_build_path_issue.html


Signed-off-by: Roman Ondráček <roman@romanondracek.cz>