Gentoo's Bugzilla –
Attachment 316891 Details for
Bug 423423app-admin/system-config-printer-common-1.3.9-r2 with udev-185 (systemd-185) - In function `device_id_from_devpath': udev-configure-printer.c:(.text+0xedc): undefined reference to `udev_get_sys_path'