/usr/lib/ is in rpm-common 4.9.1.1-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/rpm/
/usr/lib/rpm/platform/
/usr/lib/rpm/platform/x86_64-linux/
/usr/lib/rpm/platform/x86_64-linux/macros
/usr/lib/rpm/platform/ia32e-linux/
/usr/lib/rpm/platform/ia32e-linux/macros
/usr/lib/rpm/platform/amd64-linux/
/usr/lib/rpm/platform/amd64-linux/macros
/usr/lib/rpm/platform/i386-linux/
/usr/lib/rpm/platform/i386-linux/macros
/usr/lib/rpm/platform/i486-linux/
/usr/lib/rpm/platform/i486-linux/macros
/usr/lib/rpm/platform/i586-linux/
/usr/lib/rpm/platform/i586-linux/macros
/usr/lib/rpm/platform/i686-linux/
/usr/lib/rpm/platform/i686-linux/macros
/usr/lib/rpm/platform/pentium3-linux/
/usr/lib/rpm/platform/pentium3-linux/macros
/usr/lib/rpm/platform/pentium4-linux/
/usr/lib/rpm/platform/pentium4-linux/macros
/usr/lib/rpm/platform/athlon-linux/
/usr/lib/rpm/platform/athlon-linux/macros
/usr/lib/rpm/platform/geode-linux/
/usr/lib/rpm/platform/geode-linux/macros
/usr/lib/rpm/platform/noarch-linux/
/usr/lib/rpm/platform/noarch-linux/macros
/usr/lib/rpm/macros
/usr/lib/rpm/macros.perl
/usr/lib/rpm/macros.php
/usr/lib/rpm/macros.python
/usr/lib/rpm/rpmrc