Thanks for the hint. I finally made it work!
Note to all the others having the same problem or my future me:
I roughly followed this guide
http://rpc.gehennom.org/2015/06/mellotron-on-the-raspberry-pi/ and used
the the RTMath.cpp-patch from there. atomic.h has to be patched as well,
but I used the
Dear linuxsampler-developers,
I have been using linuxsampler some time on my laptop and now want to
set up a dedicated sound-computer based on a [Odroid
N2](https://www.hardkernel.com/shop/odroid-n2-with-4gbyte-ram/). While
compiling (natively) linuxsampler, I got the following error message:
```
