cad/calculix cannot be installed via pkg?

[Anton Shterenlikht]

# pkg install calculix
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pkg: grace has a missing dependency: pdflib
pkg: taucs has a missing dependency: metis4
pkg: CalculiX has a missing dependency: metis4
pkg: No packages available to install matching 'calculix' have been found in the repositories

This is on amd64 10.0-RELEASE-p9 #0, with pkg-1.3.8_3.

pkg check -srda does not report any problems with
either of the abovementioned ports.

Please advise

Thanks

Anton