network.service is suse-specific,
on Debian its name is networking.service.
According to https://systemd.io/NETWORK_ONLINE/,
there are three targets available in systemd for networking purposes.
Try to reuse the configured paths as much as possible. Unfortunately, to
be able to fully expand some variable (e.g. `bindir`), these files must
be expanded by make, not by configure. This adds some complexity:
https://www.gnu.org/software/automake/manual/html_node/Scripts.html
Bjarne von Horn
Nicola Fontana
Florian Pose