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It's just better if we get activated via systemd rather than dbus.
Various bits of configury/makefile taken from polkit.

https://bugs.freedesktop.org/show_bug.cgi?id=58468

Previous commit had two obviously broken parts.

This fixes the build in gnome-ostree, where we don't have pod2man
to generate the manpages.

And fix distcheck.

Instead of the custom egg code.

Fix a missing brace in main.c, fix distchecking.

See https://bugzilla.redhat.com/show_bug.cgi?id=498368
and
https://fedoraproject.org/wiki/Features/PolicyKitOne

Required a bit of mangling.

Add a PAM module, and enable all the warnings

Add naive plugin support to the storage code, it will
load plugins from $(libdir)/fprintd/modules, given the configuration
from /etc/fprintd.conf.

0.8 is the minimum version required.

Add PolicyKit checks to all the public functions, grouped
in 2 main groups: Verify and Enroll
By default, only the user is able to enroll new fingers,
or verify themselves.
You need to be allowed at least one of those 2 actions
to be allowed to claim or release the device.

We also add a new SetUsername function, for administration
functions. Users will need to be authenticate as admins to
be allowed to change the username on which the actions will
be taken. Any prints loaded before the change of username will
be unloaded.

Get a PolicyKit context per-device, set up its main loop,
and steal more code from gnome-panel to check whether
the actions are allowed for a particular caller.

Simply missing a po/Makefile.in in the config output, oopsie

This will be needed to get better error messages to
users of the D-Bus API. We use glib's builtin gettext
support. No strings marked as translatable yet, we'll
need to mark those user-visible strings carefully and
review them.

To stop people trying to compile it with 0.0 :)

Provide .conf and .service files for D-Bus to use, allowing fprintd to be
autostarted

Real clients won't have the xml available, so calling these "examples"
is not appropriate.