After adding some missing build requirements and tirpc, the build currently dies with [ 190s] Processing files: nx-libs-debugsource-3.5.99.22-0.x86_64 [ 190s] error: Could not open %files file /home/abuild/rpmbuild/BUILD/nx-libs-3.5.99.22/debugsourcefiles.list: No such file or directory The rpm postbuild hook is traditionally not emitting any log messages and therefore quite unhelpful.