[...]

listener' is deprecated (declared at /usr/include/polkit-1/polkitagent/polkitagentlistener.h:112): Use polkit_authority_listener_register instead [-Wdeprecated-declarations]
     if(!polkit_agent_register_listener(listener, session, NULL, &err))
     ^
lxpolkit-listener.c:266:9: warning: passing argument 1 of 'gtk_combo_box_set_model' from incompatible pointer type [enabled by default]
         gtk_combo_box_set_model(data->id, GTK_TREE_MODEL(store));
         ^
In file included from /usr/include/gtk-2.0/gtk/gtk.h:72:0,
                 from lxpolkit-listener.c:27:
/usr/include/gtk-2.0/gtk/gtkcombobox.h:109:15: note: expected 'struct GtkComboBox *' but argument is of type 'struct GtkWidget *'
 void          gtk_combo_box_set_model        (GtkComboBox     *combo_box,
               ^
lxpolkit-listener.c:269:9: warning: passing argument 1 of 'gtk_combo_box_set_active' from incompatible pointer type [enabled by default]
         gtk_combo_box_set_active(data->id, 0);
         ^
In file included from /usr/include/gtk-2.0/gtk/gtk.h:72:0,
                 from lxpolkit-listener.c:27:
/usr/include/gtk-2.0/gtk/gtkcombobox.h:101:15: note: expected 'struct GtkComboBox *' but argument is of type 'struct GtkWidget *'
 void          gtk_combo_box_set_active       (GtkComboBox     *combo_box,
               ^
cc1: some warnings being treated as errors
make[2]: *** [lxpolkit-lxpolkit.o] Error 1
make[2]: *** Waiting for unfinished jobs....
mv -f .deps/lxpolkit-lxpolkit-listener.Tpo .deps/lxpolkit-lxpolkit-listener.Po
make[2]: Leaving directory `/home/users/builder/rpm/BUILD/lxpolkit-0.1.0/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/users/builder/rpm/BUILD/lxpolkit-0.1.0'
make: *** [all] Error 2
error: Bad exit status from /tmp/B.d63eb8/rpm-tmp.30331 (%build)
RPM build errors:
    Bad exit status from /tmp/B.d63eb8/rpm-tmp.30331 (%build)
ended at: Wed Jul 22 17:26:29 2015, done in 01days 00h 00m 09s
error: No files produced.
mesg: ttyname failed: Inappropriate ioctl for device
Begin-PLD-Builder-Info
Build-Time: user:6.54s sys:6.09s real:12.34s (faults io:0 non-io:544416)
End-PLD-Builder-Info