Installing package on R, need C++11 support for OSX

Question

I\'m trying to install library(Boom) for Bayesian Object Oriented Modeling and its dependencies BoomSpikeSlab, bsts. However, I always get the same

Answer 1

Well, Boom is on CRAN so it by that very construction must work with the default toolchain.

Do you have BH installed? The corresponding clang version worked for years as we added optional C++11 support in Rcpp at least as early as March 2013 (when we added support for Rcpp::plugin(cpp11).