cups is looking at whether the host has pdftops or gs (ghostscript) installed in order to determine whether or not to create the pdftops filter. We need to either disable these checks or ensure that these are provided by appropriate dependencies and specific paths.
Setting --with-pdftops disables both pdftops and gs, patch in the works
http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=59f3fb96e07ab467d2843a2c2df8facffec6efe0
Verified.