# simple check

#if test ${R_ARCH} = "/x64"; then
#    gxx_version=`x86_64-w64-mingw32-g++ -v 2>&1 | grep "^g.*version" | sed -e 's/^.*g.. version *//'`
#else
#    gxx_version=`g++ -v 2>&1 | grep "^g.*version" | sed -e 's/^.*g.. version *//'`
#fi
#echo "Seeing g++ version ${gxx_version}"
#
#case ${gxx_version} in
#    4.3.*|4.4.*|4.5.*)
#           echo "You can enable support for the C++0x draft by setting the"
#           echo "'RCPP_CXX0X' environment variable to 'yes' "
#    ;;
#esac