ERROR: configuration failed for package ‘openssl’
- removing ‘/usr/local/lib/R/site-library/openssl’
ubuntu系统 缺少 openssl：
apt-get install openssl
apt-get install openssl-devel
或者：
wget https://www.openssl.org/source/openssl-1.1.1i.tar.gz
tar -xvf openssl-1.1.1i.tar.gz
cd openssl-1.1.1i/
./config
make && make install
./config shared
make clean
make && make install