RBIN="${R_HOME}/bin/R"
 BUILT_RCPP_VERSION=`"${RBIN}" --vanilla --slave -q -e "cat(as.character(packageVersion('Rcpp')))"`
 
 sed "s/@BUILT_RCPP_VERSION@/${BUILT_RCPP_VERSION}/" R/zzz.R.in > R/zzz.R