Install libbluetooth-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libbluetooth-dev
Description:
Development files for using the BlueZ Linux Bluetooth library
BlueZ is the official Linux Bluetooth protocol stack. It is an Open Source project distributed under GNU General Public License (GPL).
Homepage: http://www.bluez.org
Version: 5.48-0ubuntu3
Section: libdevel