Install libooptools-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libooptools-dev
Development files of LoopTools
LoopTools is a package for evaluation of scalar and tensor one-loop integrals based on the FF package by G.J. van Oldenborgh. It features an easy Fortran, C++, and Mathematica interface to the scalar one-loop functions of FF and in addition provides the 2-, 3-, and 4-point tensor coefficient functions. . This package provides development files of LoopTools.