PREFIX used by make to fix the scdoc.pc file

it appears that tests times out on s390x. reduce number of messages to
10k.

see also https://github.com/farsightsec/fstrm/issues/58

https://github.com/docker/docker-ce/releases/tag/v18.09.3

The more important fixes in this version:
* When copying existing folder, ignore xattr set errors when the target filesystem doesn't support xattr. docker/engine#135
* Graphdriver: fix device mode not being detected if character-device bit is set. docker/engine#160
* Fix nil pointer derefence on failure to connect to containerd. docker/engine#162
* Delete stale containerd object on start failure. docker/engine#154

https://mynewt.apache.org
Apache Newt is a smart build and package management tool for Apache Mynewt Operating System

The install_if definitions for the openrc subpackages contain an invalid
definition of the 'parrent' package due to an missing 'r'.

This causes the openrc subpackages to be installed whenever openrc is
installed.

Fix it by add the missing 'r'.

A SmPL (Semantic Patch Language) implementation
http://coccinelle.lip6.fr/

Also disable build entirely on aarch64 for now.

See: https://github.com/polyml/polyml/issues/110