You can just type "make" to make the program.
Then run the program with ./gifBox OUTPUTNAME.mp4
There is no "make install", you can cp
both programs to /usr/bin
or link them if you want, or just run them locally.
You must run it from command line, you cannot change workspaces (if you use i3). No audio support yet.
Hit ctl+c
to end it!
I live streamed development :-O https://www.youtube.com/watch?v=r3GUO0eDJw8