Please merge beclock[1] int bekwinfx-git[2]. The BeClock effect has been incorporated in and superseded by the BE::KWinFX effect suite. It is no longer maintained and is incompatible with KDE >= 4.10.
[1] https://aur.archlinux.org/packages/beclock [2] https://aur.archlinux.org/packages/bekwinfx-git
