libosgcal0c2a (0.1.36-1ubuntu2) depends on: libopenscenegraph1c2 (>= 0.9.9) (not available) libopenthreads1c2 (>= 0.9.9) (not available) libproducer1c2 (>= 0.9.9) (not available) -- [UNMETDEPS] osgcal has unmet dependencies https://launchpad.net/bugs/65399