depends libx11                &&
depends libice                &&
depends libxau                &&
depends libxrender            &&
depends xtrans                &&
depends glib2                 &&
depends dbus-glib             &&
depends gtk+3                 &&
depends libgnome-keyring      &&
depends gconf2                &&
depends -sub GTK gconf2       &&
depends startup-notification  &&
depends libwnck               &&
depends gnome-control-center  &&
depends upower                &&

optional_depends policykit-gnome "" ""        \
                 "Enable PolicyKit support?"  &&

optional_depends xmlto                        \
                 "--enable-docbook-docs"      \
                 "--disable-docbook-docs"     \
                 "Build documentation?"       

.