first working raspberry pi script version (tried on my Raspi Zero)

.gitignore

@@ -23,3 +23,4 @@ deploy/
 Jamulus.app/
 .DS_Store
 distributions/opus*
+distributions/jack2

distributions/raspijamulus.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # This script is intended to setup a clean Raspberry Pi system for running Jamulus
-OPUS="opus-1.3"
+OPUS="opus-1.1"
 
 echo "TODO: sudo apt-get install [needed libraries for compilation and runtime]"
 
@@ -15,11 +15,31 @@ else
   cd ${OPUS}
   ./configure --enable-custom-modes --enable-fixed-point
   make
+  cd ..
+fi
+
+# Jack audio without DBUS support
+if [ -d "jack2" ]; then
+  echo "The Jack2 directory is present, we assume it is compiled and ready to use. If not, delete the jack2 directory and call this script again."
+else
+  git clone https://github.com/jackaudio/jack2.git
+  cd jack2
+  echo "TODO jack2"
+  cd ..
 fi
 
 # compile Jamulus with external Opus library
 cd ..
 qmake "CONFIG+=opus_shared_lib" Jamulus.pro
 make
-cd distrubutions
+cd distributions
+
+# start Jack2 and Jamulus in headless mode
+cd ..
+LD_LIBRARY_PATH="distributions/${OPUS}/.libs"
+export LD_LIBRARY_PATH
+echo "TODO: -dhw:MBox"
+#jackd -P70 -p16 -t2000 -d alsa -dhw:MBox -p 128 -n 3 -r 48000 -s &
+jackd -P70 -p16 -t2000 -d alsa -dhw:MBox -p 256 -n 3 -r 48000 -s &
+./Jamulus -n -c jamulus.fischvolk.de