/usr/ is in libmirclient-dev 0.1.8+14.04.20140411-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/mirclient.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libmirclient-dev/
/usr/share/doc/libmirclient-dev/copyright
/usr/include/
/usr/include/mirclient/
/usr/include/mirclient/mir_toolkit/
/usr/include/mirclient/mir_toolkit/mir_client_library_debug.h
/usr/include/mirclient/mir_toolkit/mir_client_library_drm.h
/usr/include/mirclient/mir_toolkit/mir_screencast.h
/usr/include/mirclient/mir_toolkit/mir_client_library.h
/usr/include/mirclient/mir/
/usr/include/mirclient/mir/client/
/usr/include/mirclient/mir/client/private.h
/usr/lib/x86_64-linux-gnu/libmirclient.so
/usr/share/doc/libmirclient-dev/changelog.Debian.gz