- limit-smp-16-threads.patch: Rediff so we don't ship a .orig file
        (#500316)
    - actually apply the filtering macros patch
    - redhat-rpm-config-9.0.3-filtering-macros.patch: Rediff so we don't ship a
        .orig file
    - add (empty) %build section
    - fix unescaped macros in changelog