/usr/ is in libgck-1-dev 3.18.0-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/vala/
/usr/share/vala/vapi/
/usr/share/vala/vapi/pkcs11.vapi
/usr/share/vala/vapi/gck-1.vapi
/usr/share/vala/vapi/gck-1.deps
/usr/share/gir-1.0/
/usr/share/gir-1.0/Gck-1.gir
/usr/share/doc/
/usr/share/doc/libgck-1-dev/
/usr/share/doc/libgck-1-dev/copyright
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/gck-1.pc
/usr/include/
/usr/include/gck-1/
/usr/include/gck-1/gck/
/usr/include/gck-1/gck/pkcs11n.h
/usr/include/gck-1/gck/pkcs11x.h
/usr/include/gck-1/gck/gck.h
/usr/include/gck-1/gck/gck-deprecated.h
/usr/include/gck-1/gck/gck-enum-types.h
/usr/include/gck-1/gck/pkcs11.h
/usr/include/gck-1/gck/gck-version.h
/usr/share/doc/libgck-1-dev/AUTHORS
/usr/share/doc/libgck-1-dev/README
/usr/share/doc/libgck-1-dev/NEWS.gz
/usr/share/doc/libgck-1-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libgck-1.so