#!/bin/bash
 
 ## Travis can let us run R 3.4.0 (from CRAN and the PPAs) but this R version
 ## does not know about C++14.  Even though we can select CXX_STD = C++14, R
 ## will fail as the version we use there was built in too old an environment,
 ## namely Ubuntu "trusty" 14.04.
 ##
 ## So we install g++-6 from another repo and rely on the fact that is
 ## defaults to C++14.  Sadly, we need R to not fail and hence, just on
 ## Travis, remove the C++14 instruction
 
 if [[ "${CI}" == "true" ]]; then
     if [[ "${TRAVIS}" == "true" ]]; then 

         echo "** Overriding src/Makevars and removing C++14 on Travis only"
         sed -i '/CXX_STD = CXX14/d' src/Makevars

     fi
 fi