sudo su - -c "R -e "install.packages('Rcpp',repos='https://cran.rstudio.com/')""
make: g++: Command not found

SLSE12:~ # cat /etc/os-release
NAME="SLES"
VERSION="12"
VERSION_ID="12"
PRETTY_NAME="SUSE Linux Enterprise Server 12"
ID="sles"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:suse:sles:12"


# zypper lr -u
# | Alias     | Name      | Enabled | Refresh | URI
--+-----------+-----------+---------+---------+-------------------------------------------------------------------------------
1 | gcc       | gcc       | Yes     | No      | http://download.opensuse.org/repositories/devel:/gcc/SLE-12/
2 | oss       | oss       | Yes     | No      | http://download.opensuse.org/distribution/12.3/repo/oss/
3 | r-patched | r-patched | Yes     | No      | http://download.opensuse.org/repositories/devel:/languages:/R:/patched/SLE_12/