Hi Neil, I have just updated the R overlay and fixed the EAPI support in R-packages.eclass at,
https://gitweb.gentoo.org/proj/R_overlay.git/commit/?id=8008c9551b15daaed1682513cdd5d9fd00bfe3ff I have successfully install sci-CRAN/tidyverse. Thank you for testing it out. Cheers, Benda
