Since currently R packages are a) stale and b) unusable due to missed revbumps, I suggest the following:
1. Remove existing R directory with all ports in it. (It is self-sufficient, nothing else is affected.) 2. Add my R-ports repo as a submodule, which replaces existing R: https://github.com/macos-powerpc/R-ports (it is not powerpc-specific). Then the only maintenance burden on MacPorts remains to update the submodule, which can be done at least together with updates to R port (or when desired; obviously there is no need to track the latest commit in my repo). No changes will be needed to the R port group and math/R to support modern systems. (To make it work correctly on legacy ones, compiler.cxx_standard must be removed from math/R, since I use the new C++ ABI with R ports. This is inconsequential for libc++ consumers, so it is up to you.) Sergey
