Build results are packed into archive .tgz by default.

To use deb format for apt and dpkg managers, add words deb, packdeb into the file rdd.def:

[id]
rdd_prf_id = any, amd64, gcc, linux, deb, packdeb

To use txz format for Slackware system, add words slack, packslack into the file rdd.def:

[id]
rdd_prf_id = any, amd64, gcc, linux, slack, packslack