sudo apt install cmake libimlib2-dev libncurses5-dev libx11-dev libxdamage-dev libxft-dev libxinerama-dev libxml2-dev libxext-dev libcurl4-openssl-dev liblua5.3-dev
For nvidia:
sudo apt install libxnvctrl-dev
Build with HTTP, NVIDIA and CURL flags.
ccmake ..
make
sudo make install
http://conky.sourceforge.net/variables.html
Symlink to ~/.conkyrc
ln -s conky.conf ~/.conkyrc