/usr/ is in postgresql-server-dev-all 190.
This file is owned by root:root, with mode 0o755.
..
/usr/bin/
/usr/bin/dh_make_pgxs
/usr/bin/pg_buildext
/usr/share/
/usr/share/doc/
/usr/share/doc/postgresql-server-dev-all/
/usr/share/doc/postgresql-server-dev-all/copyright
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/dh_make_pgxs.1.gz
/usr/share/man/man1/pg_buildext.1.gz
/usr/share/postgresql-common/
/usr/share/postgresql-common/dh_make_pgxs/
/usr/share/postgresql-common/dh_make_pgxs/debian/
/usr/share/postgresql-common/dh_make_pgxs/debian/compat
/usr/share/postgresql-common/dh_make_pgxs/debian/control.in
/usr/share/postgresql-common/dh_make_pgxs/debian/copyright
/usr/share/postgresql-common/dh_make_pgxs/debian/pgversions
/usr/share/postgresql-common/dh_make_pgxs/debian/rules
/usr/share/postgresql-common/dh_make_pgxs/debian/source/
/usr/share/postgresql-common/dh_make_pgxs/debian/source/format
/usr/share/postgresql-common/dh_make_pgxs/debian/tests/
/usr/share/postgresql-common/dh_make_pgxs/debian/tests/control
/usr/share/postgresql-common/dh_make_pgxs/debian/tests/installcheck
/usr/share/postgresql-common/pgxs_debian_control.mk
/usr/share/doc/postgresql-server-dev-all/changelog.gz