Something
public text v1 · immutablehecking for mcopidl... not found
configure: error: The important program mcopidl was not found!
Please check whether you installed aRts correctly or use
--without-arts to compile without aRts support (this will remove functionality).
!!! Please attach the following file when filing a report to bugs.gentoo.org:
!!! /var/tmp/portage/knetworkmanager-0.1-r1/work/knetworkmanager-0.1/config.log