@eagleoutice/flowr - v2.16.3
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    CompiledCodeKind:
        | "compilation flags in Makevars"
        | "use of PKG_*FLAGS in Makefiles"
        | "use of SHLIB_OPENMP_*FLAGS in Makefiles"
        | "for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS)"
        | "for GNU extensions in Makefiles"
        | "include directives in Makefiles"
        | "line endings in Makefiles"
        | "line endings in C/C++/Fortran sources/headers"
        | "line endings in shell scripts"
        | "pragmas in C/C++ headers and code"
        | "usage of KIND in Fortran files"
        | "C++ specification"
        | "compiled code"
        | "whether package can be installed"

    The R CMD check checks (by the title it logs them under) this rule ports.