/usr/lib/x86_64-linux-gnu/libQgpsmm.so is in libqgpsmm-dev 3.15-2build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libQgpsmm.so.22.0.0
/usr/lib/x86_64-linux-gnu/libQgpsmm.so.22.0.0