Install Dfinity BLS signatures function on Ubuntu

dfinity-bls-g++.sh

#!/bin/bash

#tools ubuntu
sudo apt install llvm g++ libgmp-dev libssl-dev

# Barreto-Naehrig curves.
git clone https://github.com/dfinity/bn
cd bn
make
sudo cp mcl/lib/libmcl.a /usr/local/lib
sudo cp bls/libbls384.so /usr/local/lib
sudo cp -R mcl/include/* /usr/local/include
sudo cp -R bls/include/* /usr/local/include
cd ..
rm -rf bn

export LD_LIBRARY_PATH=/usr/local/lib