JACK output: don't statically depend on libjack.so: dynamically load the library
JACK output: don't statically depend on libjack.so: dynamically load the library

ieei/cubeb,kinetiknz/cubeb,ieei/cubeb,padenot/cubeb,padenot/cubeb,kinetiknz/cubeb,kinetiknz/cubeb,padenot/cubeb