ok, getting past that and now onto this:
Starting program: /home/debian/development/Bela/projects/exampleTempProject/exampleTempProject
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
[Detaching after fork from child process 3721]
grep: /proc/xenomai/sched/stat: No such file or directory
Program received signal SIGSEGV, Segmentation fault.
PRU::initialise (this=this@entry=0x9c0a8, newBelaHw=<optimized out>, pru_num=1, uniformSampleRate=<optimized out>, mux_channels=0,
stopButtonPin=stopButtonPin@entry=115, enableLed=true) at core/PRU.cpp:385
385 pruMemory = new PruMemory(pru_number, context, *pruManager);