Just use cmake or scons. In 2018, you should not hand write a single makefile ! A simple cmake/sconcs build file will be as simple as the one shown (or even si

Just use cmake or scons. In 2018, you should not hand write a single makefile ! A simple cmake/sconcs build file will be as simple as the one shown (or even simpler !) and it will definitively will be easier to integrate external dependencies if you have to.