If you read the link I shared above, you’ll see there are pre-defined folders. You have to put them accordingly.
And there is more:
You have two options here. You can copy the source code of this project into a Defold native extension and set it up, letting the Defold build server handle the building. Or, you can build this project in Xcode as a library and add it to the native extension accordingly. I recommend you to go with 2. option.