Tag: requires-r-api Severity: error Check: languages/r/site-library Explanation: This package ships a site library for the R programming language package but does not declare the R API r-api-*N* as a package prerequisite. . With the dh sequencer, please use --buildsystem=R in debian/rules and add the substitution variable ${R:Depends} to the Depends field in debian/control. See-Also: https://wiki.debian.org/Teams/r-pkg-team