CI system maintainability

[Ralf Habacker]

Am 29.03.19 um 21:01 schrieb Ben Cooksley:
> With the shift to Gitlab we should be able to provide this hopefully.
>
> We're still figuring out how to be able to provide CI in an easy to
> maintain manner (in terms of controlling platforms builds are done
> for, which branches, etc).

In case, an example is wanted:
https://gitlab.freedesktop.org/dbus/dbus/blob/master/.gitlab-ci.yml
specifies a working configuration for building several builds variants
for linux and cross compiled Windows.

Ralf