anchor.diff:  # Follow: https://bioconductor.org/install/#troubleshoot-biocinstaller
   # Ensure no library() call in .Rprofile, such as library(bit64)
   source("http://bioconductor.org/biocLite.R")
  -biocLite()
   biocLite()   # keep repeating until returns with nothing left to do
   # biocLite("BiocUpgrade")
   # This error means it's up to date: "Bioconductor version 3.4 cannot be upgraded with R version 3.3.2"
  
positive.code:     cat("Installed data.table to be tested against:",as.character(packageVersion("data.table")),"\n")
      cat("CRAN:\n"); status("cran")
      cat("BIOC:\n"); status("bioc")
      cat("Oldest 00check.log (to check no old stale ones somehow missed):\n")
      system("find . -name '00check.log' | xargs ls -lt | tail -1")
      cat("\n")
  
negative.code: sudo apt-get -y install libjq-dev libprotoc-dev libprotobuf-dev and protobuf-compiler   # for protolite
  sudo apt-get -y install python-dev  # for PythonInR
  sudo apt-get -y install gdal-bin libgeos-dev  # for rgdal/raster tested via lidR
  sudo apt-get build-dep r-cran-rsymphony   # for Rsymphony: coinor-libcgl-dev coinor-libclp-dev coinor-libcoinutils-dev coinor-libosi-dev coinor-libsymphony-dev
  sudo R CMD javareconf
  # ENDIF
  
  