ERROR: dependencies ‘curl’, ‘openssl’ are not available for package ‘httr’
- removing ‘/usr/local/lib/R/site-library/httr’
apt-get install openssl
apt-get install openssl-devel
apt-get install libcurl
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
‘curl’：
wget http://curl.haxx.se/download/curl-7.38.0.tar.gz
tar -xzvf curl-7.38.0.tar.gz
cd curl-7.38.0
./configure
make
make install
