Can't include .h file in several .h files

[MatisFactory]

When i'm try to include OBJ_Loader.h in several another h files linker throw:
Error LNK1169 one or more multiply defined symbols found main

[MatisFactory]

It error can fix by adding cpp file and transfer implementation to it. .h file should contain only declaration

[Gashmoh]

Could you please upload .cpp and .h files ? Can't find a way to do it correctly.

[caseyuhrig]

I just fixed this issue on my local copy. Just add the inline keyword to all the methods that are not in a class declaration in the .h file. I'm new to git and not quite sure how to submit a change :) Some of the methods already have the inline keyword, so guessing it was just left out by accident on some. This is supposed to by a header only implementation, so guessing adding inline is the correct way to go!

[Mine268]

I did it by extracting the funciton implementation to cpp file, here is it: https://pastebin.ubuntu.com/p/SByYj2YXy8/