Virtual package tachyon-bin is provided by:
dpkg-query: no packages found matching tachyon-bin-ogl Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend ||/ Name Version Architecture +++-===============-=================-==================================== ii tachyon-bin-nox 0.99~b6+dsx-10+b1 amd64 Parallel/Multiprocessor Standalone Ray Tracer - with no X support 1 packages